Flow Meter

Product Details:

Dharvi Instruments Pvt. Ltd. offers a high-performance range of Vortex Flow Meters, designed for accurate and reliable measurement of liquid, gas, and steam flow in industrial pipelines. Based on the principle of vortex shedding, these meters generate a frequency proportional to the flow rate, enabling precise and repeatable measurement across a wide range of applications.

Our Vortex Flow Meters are engineered for durability, high accuracy, and low maintenance, making them suitable for chemical, petrochemical, power, and HVAC applications. Their robust construction and advanced sensing technology ensure dependable performance even under harsh conditions.

Key Features

• Accurate & Reliable: Provides high accuracy and repeatability over a wide range of flow rates.

• Versatile Applications: Suitable for liquids, gases, and steam in process pipelines.

• Durable Construction: Body materials available in SS304, SS316, Carbon Steel, or exotic alloys for corrosive or high-temperature applications.

• Wide Operating Range: Handles high temperature and high-pressure fluids with minimal pressure drop.

• No Moving Parts: Maintenance-free operation with long service life.

• Integrated Electronics: Available with local display, 4–20 mA output, pulse output, or HART/Modbus communication.

• Compact Design: Space-saving installation with standard flanged or threaded connections.

• Custom Calibration: Individually calibrated for specific fluids and operating conditions.

Technical Specifications

• Type: Vortex Flow Meter (Liquid / Gas / Steam)

• Body Material: SS304 / SS316 / Carbon Steel / Hastelloy / Titanium

• Sensor Material: SS316 or PTFE-coated (for corrosive fluids)

• Connection Type: Flanged (ANSI 150#, 300#, PN16) / Threaded (BSP / NPT)

• Size Range: DN15 (½”) to DN200 (8”)

• Flow Range: 0.5 m³/h to 500 m³/h (liquids), 0.1 Nm³/h to 10,000 Nm³/h (gases)

• Operating Pressure: Up to 40 bar (higher on request)

• Operating Temperature: -50°C to 400°C (depending on materials)

• Accuracy: ±1% of Reading (standard)

• Repeatability: ±0.5% of Reading

• Output Options: Pulse / 4–20 mA / HART / Modbus

• Display: LCD / LED local display (optional)

• Mounting: Horizontal or vertical installation with proper straight run requirements

Applications

• Chemical and Petrochemical Process Plants

• Steam and Condensate Flow Measurement in Power Plants

• Oil & Gas Industry: Crude Oil, Natural Gas, and Fuel Monitoring

• HVAC Systems for Air and Steam Flow Monitoring

• Water and Wastewater Treatment Plants

• Pharmaceutical and Food & Beverage Industries

Advantages

• High accuracy and stable measurement for liquids, gases, and steam.

• Optional electronic outputs allow integration with DCS/PLC systems.

Optional Accessories

• Local Display Unit (LCD / LED)

• 4–20 mA / HART / Modbus Output Modules

• Temperature and Pressure Compensation Kit

• Flanged or Threaded Adaptors for Special Pipelines

• Explosion-Proof / Flameproof Enclosures for Hazardous Areas

• Flow Totalizer and Batch Controller

Product Details:

Dharvi Instruments Pvt. Ltd. offers a premium range of Oval Gear Flow Meters, engineered for accurate measurement of viscous and non-viscous fluids in various industrial applications. These positive displacement meters provide high accuracy and repeatability, making them ideal for applications requiring precise flow monitoring of oil, fuel, chemicals, and other liquids.

Our Oval Gear Flow Meters are available in both Mechanical and Digital versions. The Mechanical Type features a direct-reading register with totalizer and reset function, while the Digital Type integrates advanced electronic sensors and displays for instant, high-resolution readings. Both designs ensure long-term reliability and performance, even under harsh process conditions.

Key Features:

• High Accuracy & Repeatability: Maintains consistent performance with accuracy up to ±0.5% of reading, unaffected by viscosity or density changes.

• Positive Displacement Design: Measures exact volume of liquid passing through, ensuring precision without requiring straight pipe lengths.

• Dual Options: Available in Mechanical (Analog Counter) and Digital (LCD Display) models.

• Wide Range of Fluids: Suitable for oils, fuels, solvents, lubricants, chemicals, and other clean liquids.

• Rugged Construction: Built from high-grade materials such as Aluminum, Stainless Steel (SS304/SS316), or Cast Iron for durability and corrosion resistance.

• Low Pressure Drop: Efficient design ensures smooth operation with minimal flow resistance.

• Output Options (Digital Type): Pulse, 4–20 mA, or RS485 for integration with control systems and PLCs.

• Resettable & Non-Resettable Counters: Available for batch and total flow measurement.

Technical Specifications:

• Type: Mechanical / Digital (Electronic)

• Body Material: Aluminum Alloy, Stainless Steel (SS304 / SS316)

• Oval Gear Material: Alluminum, Stainless Steel, 

• Seal Material: Viton, PTFE, Nitrile, or EPDM

• End Connection: Threaded (BSP/NPT), Flanged (ANSI / DIN), or Tri-Clamp

• Size Range: 15 NB (½”) to 100 NB (4”) (custom sizes available)

• Flow Range: 0.5 L/min to 500 L/min (depending on model)

• Viscosity Range: 0.5 to 1000 cP (special models available for higher viscosity)

• Operating Pressure: Up to 20 Bar (higher pressure ratings available)

• Operating Temperature: Up to 120°C (depending on body and seal material)

• Accuracy: ±0.5% of Reading (±0.2% optional)

• Repeatability: ±0.03%

• Output (Digital Type): Pulse / 4–20 mA / RS485 Modbus / Totalizer Display

• Power Supply (Digital Type): Battery Operated or 24 VDC

Applications:

• Oil and Fuel Measurement Systems

• Chemical and Petrochemical Plants

• Lubrication and Hydraulic Systems

• Food and Beverage Processing

• Paint and Coating Industries

• Water Treatment and Utility Systems

• Marine and Automotive Fuel Monitoring

• Optional Features:

• Explosion-Proof (Flameproof) Enclosure for Hazardous Areas

• Remote Display with Flow Totalizer

• Batch Controller for Automatic Dispensing

• High-Temperature and High-Pressure Versions

• Pulse Output for PLC/SCADA Integration

Product Details:

Dharvi Instruments Pvt Ltd. offers a state-of-the-art range of Electromagnetic Flow Meters, commonly known as Mag Meters, designed for highly accurate and reliable measurement of conductive liquids. Our Mag Meters operate on Faraday's Law of Electromagnetic Induction, a principle that ensures measurement is independent of the liquid's density, viscosity, and temperature. This makes them the ideal solution for measuring a wide range of fluids, including water, wastewater, slurries, acids, and chemicals.

Our Electromagnetic Flow Meters are engineered to provide exceptional performance in demanding industrial environments. With no moving parts, they offer a maintenance-free solution, reducing downtime and operational costs. The meter's design minimizes pressure drop, ensuring an efficient and unobstructed flow path, making it perfect for applications where energy consumption is a critical factor.

Key Features:

• High Accuracy: Provides superior measurement accuracy, typically ±0.5% of the reading, ensuring precise and reliable data for process control and billing.

• No Moving Parts: The absence of any mechanical components eliminates wear and tear, providing a long service life and a virtually maintenance-free operation.

• Low Pressure Drop: The open-tube design does not obstruct the flow, resulting in negligible pressure loss and reduced pumping costs.

• Bidirectional Measurement: Capable of measuring flow in both forward and reverse directions, a crucial feature for many industrial applications.

• Wide Range of Applications: Ideal for measuring the flow of conductive liquids, slurries, pastes, and corrosive chemicals.

• Robust Construction: Constructed with a durable liner (PTFE, Neoprene, PFA) and high-quality housing materials (Carbon Steel, SS304, SS316) to withstand harsh conditions.

• Variety of Outputs: Available with standard outputs like 4-20mA, Pulse, and communication protocols such as RS485 (Modbus) for seamless integration into SCADA and DCS systems.

• Digital Display: Features a bright, user-friendly digital display for local indication of flow rate and totalized flow.

Technical Specifications :

• Measuring Principle: Faraday's Law of Electromagnetic Induction

• Application Media: Conductive Liquids (Water, Wastewater, Acids, etc.) with a minimum conductivity of 5 μS/cm

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy: ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP.

• Liner Material: PTFE, Rubber,

• Electrode Material: SS316L, Hastelloy-C, Titanium

• End Connection: Flanged (ANSI, DIN), Threaded

• Operating Pressure: Up to 16 Bar (higher pressure ratings available)

• Operating Temperature: Up to 150∘C (depending on liner material)

• Output: 4-20mA, Pulse, RS485 (Modbus)

• Power Supply: 230 V AC / 24 V DC

• Ingress Protection: IP65 / IP67 (Sensor), IP65 (Converter)

Applications:

• Water and Wastewater Treatment Plants

• Chemical and Pharmaceutical Industries

• Food and Beverage Processing

• Pulp and Paper Mills

• Mining and Metal Processing

• Utilities and Irrigation Systems

• Slurry and Abrasive Fluid Measurement

Product Details:

Dharvi Instruments Pvt. Ltd. offers a premium range of Oval Gear Flow Meters, engineered for accurate measurement of viscous and non-viscous fluids in various industrial applications. These positive displacement meters provide high accuracy and repeatability, making them ideal for applications requiring precise flow monitoring of oil, fuel, chemicals, and other liquids.

Our Oval Gear Flow Meters are available in both Mechanical and Digital versions. The Mechanical Type features a direct-reading register with totalizer and reset function, while the Digital Type integrates advanced electronic sensors and displays for instant, high-resolution readings. Both designs ensure long-term reliability and performance, even under harsh process conditions.

Key Features:

• High Accuracy & Repeatability: Maintains consistent performance with accuracy up to ±0.5% of reading, unaffected by viscosity or density changes.

• Positive Displacement Design: Measures exact volume of liquid passing through, ensuring precision without requiring straight pipe lengths.

• Dual Options: Available in Mechanical (Analog Counter) and Digital (LCD Display) models.

• Wide Range of Fluids: Suitable for oils, fuels, solvents, lubricants, chemicals, and other clean liquids.

• Rugged Construction: Built from high-grade materials such as Aluminum, Stainless Steel (SS304/SS316), or Cast Iron for durability and corrosion resistance.

• Low Pressure Drop: Efficient design ensures smooth operation with minimal flow resistance.

• Output Options (Digital Type): Pulse, 4–20 mA, or RS485 for integration with control systems and PLCs.

• Resettable & Non-Resettable Counters: Available for batch and total flow measurement.

Technical Specifications:

• Type: Mechanical / Digital (Electronic)

• Body Material: Aluminum Alloy, Stainless Steel (SS304 / SS316)

• Oval Gear Material: Alluminum, Stainless Steel, 

• Seal Material: Viton, PTFE, Nitrile, or EPDM

• End Connection: Threaded (BSP/NPT), Flanged (ANSI / DIN), or Tri-Clamp

• Size Range: 15 NB (½”) to 100 NB (4”) (custom sizes available)

• Flow Range: 0.5 L/min to 500 L/min (depending on model)

• Viscosity Range: 0.5 to 1000 cP (special models available for higher viscosity)

• Operating Pressure: Up to 20 Bar (higher pressure ratings available)

• Operating Temperature: Up to 120°C (depending on body and seal material)

• Accuracy: ±0.5% of Reading (±0.2% optional)

• Repeatability: ±0.03%

• Output (Digital Type): Pulse / 4–20 mA / RS485 Modbus / Totalizer Display

• Power Supply (Digital Type): Battery Operated or 24 VDC

Applications:

• Oil and Fuel Measurement Systems

• Chemical and Petrochemical Plants

• Lubrication and Hydraulic Systems

• Food and Beverage Processing

• Paint and Coating Industries

• Water Treatment and Utility Systems

• Marine and Automotive Fuel Monitoring

• Optional Features:

• Explosion-Proof (Flameproof) Enclosure for Hazardous Areas

• Remote Display with Flow Totalizer

• Batch Controller for Automatic Dispensing

• High-Temperature and High-Pressure Versions

• Pulse Output for PLC/SCADA Integration

Product Details:

Dharvi Instruments Pvt Ltd. offers a state-of-the-art range of Electromagnetic Flow Meters, commonly known as Mag Meters, designed for highly accurate and reliable measurement of conductive liquids. Our Mag Meters operate on Faraday's Law of Electromagnetic Induction, a principle that ensures measurement is independent of the liquid's density, viscosity, and temperature. This makes them the ideal solution for measuring a wide range of fluids, including water, wastewater, slurries, acids, and chemicals.

Our Electromagnetic Flow Meters are engineered to provide exceptional performance in demanding industrial environments. With no moving parts, they offer a maintenance-free solution, reducing downtime and operational costs. The meter's design minimizes pressure drop, ensuring an efficient and unobstructed flow path, making it perfect for applications where energy consumption is a critical factor.

Key Features:

• High Accuracy: Provides superior measurement accuracy, typically ±0.5% of the reading, ensuring precise and reliable data for process control and billing.

• No Moving Parts: The absence of any mechanical components eliminates wear and tear, providing a long service life and a virtually maintenance-free operation.

• Low Pressure Drop: The open-tube design does not obstruct the flow, resulting in negligible pressure loss and reduced pumping costs.

• Bidirectional Measurement: Capable of measuring flow in both forward and reverse directions, a crucial feature for many industrial applications.

• Wide Range of Applications: Ideal for measuring the flow of conductive liquids, slurries, pastes, and corrosive chemicals.

• Robust Construction: Constructed with a durable liner (PTFE, Neoprene, PFA) and high-quality housing materials (Carbon Steel, SS304, SS316) to withstand harsh conditions.

• Variety of Outputs: Available with standard outputs like 4-20mA, Pulse, and communication protocols such as RS485 (Modbus) for seamless integration into SCADA and DCS systems.

• Digital Display: Features a bright, user-friendly digital display for local indication of flow rate and totalized flow.

Technical Specifications :

• Measuring Principle: Faraday's Law of Electromagnetic Induction

• Application Media: Conductive Liquids (Water, Wastewater, Acids, etc.) with a minimum conductivity of 5 μS/cm

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy: ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP.

• Liner Material: PTFE, Rubber,

• Electrode Material: SS316L, Hastelloy-C, Titanium

• End Connection: Flanged (ANSI, DIN), Threaded

• Operating Pressure: Up to 16 Bar (higher pressure ratings available)

• Operating Temperature: Up to 150∘C (depending on liner material)

• Output: 4-20mA, Pulse, RS485 (Modbus)

• Power Supply: 230 V AC / 24 V DC

• Ingress Protection: IP65 / IP67 (Sensor), IP65 (Converter)

Applications:

• Water and Wastewater Treatment Plants

• Chemical and Pharmaceutical Industries

• Food and Beverage Processing

• Pulp and Paper Mills

• Mining and Metal Processing

• Utilities and Irrigation Systems

• Slurry and Abrasive Fluid Measurement

Product Details:

Dharvi Instruments Pvt. Ltd. offers a premium range of Oval Gear Flow Meters, engineered for accurate measurement of viscous and non-viscous fluids in various industrial applications. These positive displacement meters provide high accuracy and repeatability, making them ideal for applications requiring precise flow monitoring of oil, fuel, chemicals, and other liquids.

Our Oval Gear Flow Meters are available in both Mechanical and Digital versions. The Mechanical Type features a direct-reading register with totalizer and reset function, while the Digital Type integrates advanced electronic sensors and displays for instant, high-resolution readings. Both designs ensure long-term reliability and performance, even under harsh process conditions.

Key Features:

• High Accuracy & Repeatability: Maintains consistent performance with accuracy up to ±0.5% of reading, unaffected by viscosity or density changes.

• Positive Displacement Design: Measures exact volume of liquid passing through, ensuring precision without requiring straight pipe lengths.

• Dual Options: Available in Mechanical (Analog Counter) and Digital (LCD Display) models.

• Wide Range of Fluids: Suitable for oils, fuels, solvents, lubricants, chemicals, and other clean liquids.

• Rugged Construction: Built from high-grade materials such as Aluminum, Stainless Steel (SS304/SS316), or Cast Iron for durability and corrosion resistance.

• Low Pressure Drop: Efficient design ensures smooth operation with minimal flow resistance.

• Output Options (Digital Type): Pulse, 4–20 mA, or RS485 for integration with control systems and PLCs.

Technical Specifications:

• Type: Mechanical / Digital (Electronic)

• Body Material: Aluminum Alloy, Stainless Steel (SS304 / SS316)

• Oval Gear Material: Alluminum, Stainless Steel, 

• Seal Material: Viton, PTFE, Nitrile, or EPDM

• End Connection: Threaded (BSP/NPT), Flanged (ANSI / DIN), or Tri-Clamp

• Size Range: 15 NB (½”) to 100 NB (4”) (custom sizes available)

• Flow Range: 0.5 L/min to 500 L/min (depending on model)

• Viscosity Range: 0.5 to 1000 cP (special models available for higher viscosity)

• Operating Pressure: Up to 20 Bar (higher pressure ratings available)

• Operating Temperature: Up to 120°C (depending on body and seal material)

• Accuracy: ±0.5% of Reading (±0.2% optional)

• Repeatability: ±0.03%

• Output (Digital Type): Pulse / 4–20 mA / RS485 Modbus / Totalizer Display

• Power Supply (Digital Type): Battery Operated or 24 VDC

Applications:

• Oil and Fuel Measurement Systems

• Chemical and Petrochemical Plants

• Lubrication and Hydraulic Systems

• Food and Beverage Processing

• Paint and Coating Industries

• Water Treatment and Utility Systems

• Marine and Automotive Fuel Monitoring

• Optional Features:

• Explosion-Proof (Flameproof) Enclosure for Hazardous Areas

• Remote Display with Flow Totalizer

• Batch Controller for Automatic Dispensing

• Pulse Output for PLC/SCADA Integration

Product Details:

Dharvi Instruments Pvt. Ltd. offers a high-precision range of Clamp-On Ultrasonic Flow Meters, designed for non-intrusive, accurate, and reliable flow measurement of liquids in pipelines. These meters use ultrasonic transit-time technology to determine flow velocity by measuring the difference in time it takes an ultrasonic pulse to travel with and against the flow direction.

The clamp-on design allows installation without cutting or modifying the pipe, ensuring zero process disruption and maintenance-free operation. Ideal for applications requiring retrofitting, temporary measurement, or measurement of aggressive or corrosive fluids, these meters deliver high accuracy and long-term reliability in industrial, commercial, and municipal applications.

Key Features

• Non-Intrusive Measurement: Clamp-on design avoids direct contact with the fluid, ensuring no contamination or pressure drop.

• Versatile Pipe Compatibility: Works on steel, stainless steel, copper, PVC, HDPE, and other materials.

• High Accuracy & Repeatability: ±1% of reading with excellent long-term stability.

• Wide Flow Range: Measures both low and high flow rates accurately.

• Portable and Easy Installation: Ideal for temporary or permanent monitoring without shutting down operations.

• Dual-Channel Operation: Available for bi-directional or multi-path measurement for improved accuracy.

• Output Options: 4–20 mA, pulse, HART, Modbus, or RS485 for process integration.

• Battery or AC Power: Supports portable applications and continuous monitoring.

Technical Specifications

• Type: Clamp-On Ultrasonic Flow Meter (Transit-Time Technology)

• Pipe Size Range: DN25 (1”) to DN3000 (120”)

• Pipe Material: Steel, Stainless Steel, Copper, PVC, HDPE, or other non-ferrous/ferrous materials

• Flow Range: 0.1 m/s to 15 m/s (liquids)

• Accuracy: ±1% of reading (ideal conditions)

• Repeatability: ±0.5%

• Operating Temperature: -20°C to 150°C (sensor dependent)

• Operating Pressure: Up to 40 bar (non-intrusive sensor does not contact fluid)

• Transducer Material: Stainless Steel, Titanium, or PVDF (chemical-resistant options)

• Output Signals: 4–20 mA, pulse, HART, Modbus, RS485

• Display: Local LCD / LED display (optional)

• Power Supply: AC 90–260V, DC 24V, or battery-powered portable unit

Applications

• Water and Wastewater Treatment Plants

• Chemical and Petrochemical Processing

• HVAC and Chilled Water Flow Measurement

• Pharmaceutical and Food & Beverage Industries

• Cooling Water and Boiler Feed Monitoring

• Oil & Gas Pipelines

• Temporary or Retrofit Flow Measurement Applications

• Municipal Water Distribution Systems

Advantages

• Non-Intrusive: No cutting or modification of pipelines.

• Portable & Flexible: Quick installation and relocation for temporary monitoring or maintenance checks.

• High Accuracy: Provides precise measurements over a wide range of pipe sizes and flow conditions.

• Integration Ready: Compatible with SCADA, DCS, and PLC systems for automation.

Additional Information:

• Item Code: DV-UFM-202-CT
• Delivery Time: 15 days
• Packaging Details: Box

Product Details:

Dharvi Instruments Pvt. Ltd. offers a high-precision range of Turbine Flow Meters, engineered for accurate measurement of liquids in industrial pipelines. These meters operate on the rotor principle, where a precision-machined turbine rotor rotates proportionally to the volumetric flow rate of the fluid. The rotation is captured by a magnetic or optical pickup, converting it into a standardized electrical signal for process monitoring and control.

Designed for high accuracy, repeatability, and durability, Turbine Flow Meters are ideal for applications in chemical, petrochemical, oil & gas, water, and pharmaceutical industries. Their compact design, robust construction, and versatile output options make them suitable for both process control and custody transfer applications.
Key Features

• High Accuracy & Repeatability: Precision rotor ensures reliable volumetric flow measurement.

• Wide Range of Applications: Suitable for clean liquids, fuel oils, water, chemicals, and hydrocarbons.

• Durable Construction: SS304, SS316, for corrosive fluids and demanding environments.

• Versatile Output: Pulse or 4–20 mA output for integration with PLC/DCS systems.

• Compact & Lightweight: Easy installation in pipelines with minimal space requirements.

• Low Pressure Drop: Optimized design reduces energy loss in the process line.

• Custom Calibration: Individually calibrated for specific fluid properties and flow ranges.

Technical Specifications

• Type: Turbine Flow Meter (Liquid Measurement)

• Body Material: SS304, SS316 

• Rotor Material: SS 410

• Size Range: DN15 to DN200 standard, larger sizes on request

• Flow Range: 0.5 to 500 m³/h 

• Operating Pressure: Up to 40 bar 

• Operating Temperature: -20°C to 120°C 

• Accuracy: ±1% of reading

• Repeatability: ±0.1%

• Output Options: Pulse / 4–20 mA / HART / Modbus

• Mounting Orientation: Horizontal or vertical with flow in the specified direction

• End Connection: Flanged or Threaded 

Applications

• Chemical and Petrochemical Industries

• Oil and Gas: Crude Oil, Diesel, Fuel Oil Measurement

• Water and Wastewater Treatment Plants

• Pharmaceutical and Food & Beverage Industries

• Power Generation and Steam Condensate Measurement

• Cooling Water and Boiler Feed Systems

• Pulp and Paper Manufacturing

• Custody Transfer Applications requiring high accuracy

Advantages

• High-precision volumetric flow measurement with excellent repeatability.

• Suitable for clean and moderately viscous liquids.

• Compatible with automation and process control systems.

• Individually calibrated to ensure accurate flow measurement for specific fluids.

Optional Accessories

• Local digital or analog display

• Remote transmitters for SCADA/DCS integration

• Temperature and pressure compensation modules

• Flow totalizer and batch controller

• Explosion-proof housings for hazardous areas

• Custom rotor materials for abrasive or corrosive fluids

• Special flanged or threaded adapters for retrofit installations

Product Details:

Dharvi Instruments Pvt. Ltd. offers a high-precision range of Turbine Flow Meters, engineered for accurate measurement of liquids in industrial pipelines. These meters operate on the rotor principle, where a precision-machined turbine rotor rotates proportionally to the volumetric flow rate of the fluid. The rotation is captured by a magnetic or optical pickup, converting it into a standardized electrical signal for process monitoring and control.

Designed for high accuracy, repeatability, and durability, Turbine Flow Meters are ideal for applications in chemical, petrochemical, oil & gas, water, and pharmaceutical industries. Their compact design, robust construction, and versatile output options make them suitable for both process control and custody transfer applications.
Key Features

• High Accuracy & Repeatability: Precision rotor ensures reliable volumetric flow measurement.

• Wide Range of Applications: Suitable for clean liquids, fuel oils, water, chemicals, and hydrocarbons.

• Durable Construction: SS304, SS316, for corrosive fluids and demanding environments.

• Versatile Output: Pulse or 4–20 mA output for integration with PLC/DCS systems.

• Compact & Lightweight: Easy installation in pipelines with minimal space requirements.

• Low Pressure Drop: Optimized design reduces energy loss in the process line.

• Custom Calibration: Individually calibrated for specific fluid properties and flow ranges.

Technical Specifications

• Type: Turbine Flow Meter (Liquid Measurement)

• Body Material: SS304, SS316 

• Rotor Material: SS 410

• Size Range: DN15 to DN200 standard, larger sizes on request

• Flow Range: 0.5 to 500 m³/h 

• Operating Pressure: Up to 40 bar 

• Operating Temperature: -20°C to 120°C 

• Accuracy: ±1% of reading

• Repeatability: ±0.1%

• Output Options: Pulse / 4–20 mA / HART / Modbus

• Mounting Orientation: Horizontal or vertical with flow in the specified direction

• End Connection: Flanged or Threaded 

Applications

• Chemical and Petrochemical Industries

• Oil and Gas: Crude Oil, Diesel, Fuel Oil Measurement

• Water and Wastewater Treatment Plants

• Pharmaceutical and Food & Beverage Industries

• Power Generation and Steam Condensate Measurement

• Cooling Water and Boiler Feed Systems

• Pulp and Paper Manufacturing

• Custody Transfer Applications requiring high accuracy

Advantages

• High-precision volumetric flow measurement with excellent repeatability.

• Suitable for clean and moderately viscous liquids.

• Compatible with automation and process control systems.

• Individually calibrated to ensure accurate flow measurement for specific fluids.

Optional Accessories

• Local digital or analog display

• Remote transmitters for SCADA/DCS integration

• Temperature and pressure compensation modules

• Flow totalizer and batch controller

• Explosion-proof housings for hazardous areas

• Special flanged or threaded adapters for retrofit installations

Additional Information:

• Delivery Time: 3 days

Product Details:

Dharvi Instruments Pvt Ltd. offers a reliable and precise Digital Mechanical Fuel Meter, a robust and simple-to-use solution for accurate fuel dispensing and consumption measurement. This meter combines the durability and straightforward operation of a mechanical meter with the convenience of a digital display, providing both a resettable batch total and a non-resettable cumulative total. It is the ideal choice for a wide range of applications, from vehicle refueling and machinery operation to fuel depot management.

Designed to operate without external power, this meter uses the kinetic energy of the flowing fuel to drive its measuring mechanism and power its digital display. This feature makes it highly versatile and perfect for field applications where electricity is not readily available. Its compact, lightweight, and user-friendly design ensures easy installation and maintenance, offering a cost-effective solution for monitoring fuel usage.

Key Features:

• Digital Display: Features a clear, easy-to-read digital display showing both a resettable batch total (for current dispensing) and a non-resettable cumulative total (for total lifetime usage).

• Self-Powered Operation: Operates mechanically using the flow of fuel, requiring no external power source, which is perfect for remote or portable setups.

• High Accuracy: Provides high-precision measurement, ensuring accurate billing and consumption monitoring.

• Robust & Durable: Constructed with a rugged aluminum body and durable gears, making it resistant to harsh weather and operational conditions.

• Corrosion Resistance: Internals are made from high-quality materials to resist corrosion from diesel, kerosene, and other non-corrosive oils.

• Easy Installation: Designed for simple inline installation with standard threaded connections. Can be mounted directly on pumps, tanks, or in a pipeline.

• Versatile Orientation: Can be installed in both horizontal and vertical positions, providing flexibility for various applications.

• Calibration Option: Easily calibrated to maintain accuracy over time.

Technical Specifications :

• Measuring Principle: Oval Gear / Positive Displacement

• Application Media: Diesel, Kerosene, Light Oils (non-corrosive liquids)

• Flow Rate Range: 20 to 120 Liters per minute (LPM) (custom options available)

• Accuracy:  ±1% of Reading

• Body Material: Aluminium

• Display Units: Liters (L) 

• Max. Operating Pressure: 10 Bar (150 PSI)

• Operating Temperature: -10°C to +60°C

• Inlet/Outlet Connection: 1", 1.5" 2"  BSP / NPT (other sizes available)

• Power: Self-powered (No external power required)

Applications:

 

• Fuel dispensing for generators, tractors, and heavy machinery

• Vehicle and truck fleet refueling

• Monitoring fuel consumption in construction and mining equipment

• Fuel depot and storage tank management

• Marine and boat refueling

   

• Agriculture and farm machinery

Additional Information:

• Delivery Time: 1 to 2 days

Product Details:

Dharvi Instruments Pvt Ltd. offers a state-of-the-art range of Electromagnetic Flow Meters, commonly known as Mag Meters, designed for highly accurate and reliable measurement of conductive liquids. Our Mag Meters operate on Faraday's Law of Electromagnetic Induction, a principle that ensures measurement is independent of the liquid's density, viscosity, and temperature. This makes them the ideal solution for measuring a wide range of fluids, including water, wastewater, slurries, acids, and chemicals.

Our Electromagnetic Flow Meters are engineered to provide exceptional performance in demanding industrial environments. With no moving parts, they offer a maintenance-free solution, reducing downtime and operational costs. The meter's design minimizes pressure drop, ensuring an efficient and unobstructed flow path, making it perfect for applications where energy consumption is a critical factor.

Key Features:

• High Accuracy: Provides superior measurement accuracy, typically ±0.5% of the reading, ensuring precise and reliable data for process control and billing.

• No Moving Parts: The absence of any mechanical components eliminates wear and tear, providing a long service life and a virtually maintenance-free operation.

• Low Pressure Drop: The open-tube design does not obstruct the flow, resulting in negligible pressure loss and reduced pumping costs.

• Bidirectional Measurement: Capable of measuring flow in both forward and reverse directions, a crucial feature for many industrial applications.

• Wide Range of Applications: Ideal for measuring the flow of conductive liquids, slurries, pastes, and corrosive chemicals.

• Robust Construction: Constructed with a durable liner (PTFE, Neoprene, PFA) and high-quality housing materials (Carbon Steel, SS304, SS316) to withstand harsh conditions.

• Variety of Outputs: Available with standard outputs like 4-20mA, Pulse, and communication protocols such as RS485 (Modbus) for seamless integration into SCADA and DCS systems.

• Digital Display: Features a bright, user-friendly digital display for local indication of flow rate and totalized flow.

Technical Specifications :

• Measuring Principle: Faraday's Law of Electromagnetic Induction

• Application Media: Conductive Liquids (Water, Wastewater, Acids, etc.) with a minimum conductivity of 5 μS/cm

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy: ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP.

• Liner Material: PTFE, Rubber,

• Electrode Material: SS316L, Hastelloy-C, Titanium

• End Connection: Flanged (ANSI, DIN), Threaded

• Operating Pressure: Up to 16 Bar (higher pressure ratings available)

• Operating Temperature: Up to 150∘C (depending on liner material)

• Output: 4-20mA, Pulse, RS485 (Modbus)

• Power Supply: 230 V AC / 24 V DC

• Ingress Protection: IP65 / IP67 (Sensor), IP65 (Converter)

Applications:

• Water and Wastewater Treatment Plants

• Chemical and Pharmaceutical Industries

• Food and Beverage Processing

• Pulp and Paper Mills

• Mining and Metal Processing

• Utilities and Irrigation Systems

• Slurry and Abrasive Fluid Measurement

Product Details:

Dharvi Instruments Pvt Ltd. offers a state-of-the-art range of Electromagnetic Flow Meters, commonly known as Mag Meters, designed for highly accurate and reliable measurement of conductive liquids. Our Mag Meters operate on Faraday's Law of Electromagnetic Induction, a principle that ensures measurement is independent of the liquid's density, viscosity, and temperature. This makes them the ideal solution for measuring a wide range of fluids, including water, wastewater, slurries, acids, and chemicals.

Our Electromagnetic Flow Meters are engineered to provide exceptional performance in demanding industrial environments. With no moving parts, they offer a maintenance-free solution, reducing downtime and operational costs. The meter's design minimizes pressure drop, ensuring an efficient and unobstructed flow path, making it perfect for applications where energy consumption is a critical factor.

Key Features:

• High Accuracy: Provides superior measurement accuracy, typically ±0.5% of the reading, ensuring precise and reliable data for process control and billing.

• No Moving Parts: The absence of any mechanical components eliminates wear and tear, providing a long service life and a virtually maintenance-free operation.

• Low Pressure Drop: The open-tube design does not obstruct the flow, resulting in negligible pressure loss and reduced pumping costs.

• Bidirectional Measurement: Capable of measuring flow in both forward and reverse directions, a crucial feature for many industrial applications.

• Wide Range of Applications: Ideal for measuring the flow of conductive liquids, slurries, pastes, and corrosive chemicals.

• Robust Construction: Constructed with a durable liner (PTFE, Neoprene, PFA) and high-quality housing materials (Carbon Steel, SS304, SS316) to withstand harsh conditions.

• Variety of Outputs: Available with standard outputs like 4-20mA, Pulse, and communication protocols such as RS485 (Modbus) for seamless integration into SCADA and DCS systems.

• Digital Display: Features a bright, user-friendly digital display for local indication of flow rate and totalized flow.

Technical Specifications :

• Measuring Principle: Faraday's Law of Electromagnetic Induction

• Application Media: Conductive Liquids (Water, Wastewater, Acids, etc.) with a minimum conductivity of 5 μS/cm

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy: ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP.

• Liner Material: PTFE, Rubber,

• Electrode Material: SS316L, Hastelloy-C, Titanium

• End Connection: Flanged (ANSI, DIN), Threaded

• Operating Pressure: Up to 16 Bar (higher pressure ratings available)

• Operating Temperature: Up to 150∘C (depending on liner material)

• Output: 4-20mA, Pulse, RS485 (Modbus)

• Power Supply: 230 V AC / 24 V DC

• Ingress Protection: IP65 / IP67 (Sensor), IP65 (Converter)

Applications:

• Water and Wastewater Treatment Plants

• Chemical and Pharmaceutical Industries

• Food and Beverage Processing

• Pulp and Paper Mills

• Mining and Metal Processing

• Utilities and Irrigation Systems

• Slurry and Abrasive Fluid Measurement

Additional Information:

• Production Capacity: 20 per day
• Delivery Time: 2 days

Product Details:

Dharvi Instruments Pvt. Ltd. offers a precision-engineered range of U-Tube Manometers, designed for accurate measurement of low differential pressures in air, gas, and liquid systems. These simple yet highly reliable instruments are widely used for laboratory, industrial, and HVAC applications where visual indication of pressure, vacuum, or differential pressure is required.

Operating on the basic principle of balancing a liquid column against the pressure to be measured, the U-Tube Manometer provides direct and instantaneous readings without the need for external power or complex electronics. Its transparent tube and clear scale markings ensure easy readability and dependable performance over a wide range of pressures.

Key Features

• Simple and Reliable Design: Based on the time-tested liquid column principle — no moving parts, ensuring long operational life.

• High Accuracy: Provides precise differential pressure readings with excellent repeatability.

• Clear Visibility: Transparent glass or acrylic tube with engraved scale for direct and easy reading.

• Corrosion Resistant: Wetted parts available in brass, stainless steel, or PVC for compatibility with various fluids.

• Flexible Mounting Options: Can be wall-mounted, panel-mounted, or bench-mounted as per application.

• Versatile Media Compatibility: Suitable for air, gases, and compatible process fluids.

• Custom Scales & Units: Available in mmWC, inches of water, mbar, or custom engineering units.

• Maintenance-Free Operation: No electrical components or complex calibration required.

• Optional Accessories: Valves, connectors, and mounting brackets available for easy installation.

Technical Specifications

• Type: U-Tube Manometer (Direct Reading Differential Pressure Gauge)

• Tube Material: Borosilicate Glass / Acrylic (Transparent)

• Scale Material: Aluminum / Acrylic, engraved or printed with black graduations

• Body Material: Mild Steel (Powder Coated) / Aluminum / Stainless Steel Frame

• Connection: Brass / SS304 / SS316 / PVC / PP fittings

• Mounting: Wall / Panel / Bench type

• Measuring Range: 0–100 mmWC up to 0–1000 mmWC (custom ranges available)

• Accuracy: ±1% of Full Scale

• Manometric Fluid: Mercury / Water / Colored Oil (as per service requirement)

• Operating Temperature: Up to 60°C (standard models)

• Operating Pressure: Up to 10 bar (depends on tube and connection type)

• Scale Units: mmWC, Inches WC, mbar, or kPa

• End Connections: ¼" or ½" BSP/NPT (custom options available)

Applications

• Air and Gas Flow Measurement

• Filter, Fan, and Blower Pressure Monitoring

• Clean Room and HVAC System Balancing

• Draft and Suction Measurement in Boilers

• Laboratory Calibration and Test Rigs

• Differential Pressure Measurement across Orifice Plates

• Ventilation and Dust Collection Systems

• Educational and Research Laboratories

Advantages

• Economical and maintenance-free solution for pressure indication.

• Instantaneous and accurate visual readings.

• Suitable for low-pressure and differential applications.

• Reliable under wide temperature and humidity conditio

Product Details:

Dharvi Instruments Pvt Ltd. offers a state-of-the-art range of Electromagnetic Flow Meters, commonly known as Mag Meters, designed for highly accurate and reliable measurement of conductive liquids. Our Mag Meters operate on Faraday's Law of Electromagnetic Induction, a principle that ensures measurement is independent of the liquid's density, viscosity, and temperature. This makes them the ideal solution for measuring a wide range of fluids, including water, wastewater, slurries, acids, and chemicals.

Our Electromagnetic Flow Meters are engineered to provide exceptional performance in demanding industrial environments. With no moving parts, they offer a maintenance-free solution, reducing downtime and operational costs. The meter's design minimizes pressure drop, ensuring an efficient and unobstructed flow path, making it perfect for applications where energy consumption is a critical factor.

Key Features:

• High Accuracy: Provides superior measurement accuracy, typically ±0.5% of the reading, ensuring precise and reliable data for process control and billing.

• No Moving Parts: The absence of any mechanical components eliminates wear and tear, providing a long service life and a virtually maintenance-free operation.

• Low Pressure Drop: The open-tube design does not obstruct the flow, resulting in negligible pressure loss and reduced pumping costs.

• Bidirectional Measurement: Capable of measuring flow in both forward and reverse directions, a crucial feature for many industrial applications.

• Wide Range of Applications: Ideal for measuring the flow of conductive liquids, slurries, pastes, and corrosive chemicals.

• Robust Construction: Constructed with a durable liner (PTFE, Neoprene, PFA) and high-quality housing materials (Carbon Steel, SS304, SS316) to withstand harsh conditions.

• Variety of Outputs: Available with standard outputs like 4-20mA, Pulse, and communication protocols such as RS485 (Modbus) for seamless integration into SCADA and DCS systems.

• Digital Display: Features a bright, user-friendly digital display for local indication of flow rate and totalized flow.

Technical Specifications :

• Measuring Principle: Faraday's Law of Electromagnetic Induction

• Application Media: Conductive Liquids (Water, Wastewater, Acids, etc.) with a minimum conductivity of 5 μS/cm

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy: ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP.

• Liner Material: PTFE, Rubber,

• Electrode Material: SS316L, Hastelloy-C, Titanium

• End Connection: Flanged (ANSI, DIN), Threaded

• Operating Pressure: Up to 16 Bar (higher pressure ratings available)

• Operating Temperature: Up to 150∘C (depending on liner material)

• Output: 4-20mA, Pulse, RS485 (Modbus)

• Power Supply: 230 V AC / 24 V DC

• Ingress Protection: IP65 / IP67 (Sensor), IP65 (Converter)

Applications:

• Water and Wastewater Treatment Plants

• Chemical and Pharmaceutical Industries

• Food and Beverage Processing

• Pulp and Paper Mills

• Mining and Metal Processing

• Utilities and Irrigation Systems

• Slurry and Abrasive Fluid Measurement

Product Details:

Dharvi Instruments Pvt Ltd. offers a superior range of Double Window Sight Glasses, an essential component for visually monitoring the flow and condition of fluids in a pipeline. Our sight glasses are designed for maximum visibility, providing a clear, full-view inspection of the process media from both sides. This makes them ideal for applications requiring continuous monitoring of fluid color, clarity, and consistency, as well as the presence of bubbles or particles.

Constructed from high-quality materials and engineered for durability, our Double Window Sight Glasses are built to withstand demanding industrial conditions, including high pressure and temperature environments. The robust design features two tempered glass windows on opposite sides of the body, securely sealed to prevent leaks and ensure long-term, reliable performance.

Key Features:

 

• Full 360° Visibility: Allows for clear and unobstructed viewing of the process media from two sides, providing comprehensive monitoring.

   

• Robust Construction: Body is made from high-grade materials such as Carbon Steel, Stainless Steel (SS304, SS316), and other alloys to ensure durability and chemical resistance.

• High-Quality Glass: Fitted with high-strength borosilicate or tempered glass for superior thermal shock resistance and a clear view.

• Leak-Proof Design: Precision-machined body and reliable sealing with gaskets (PTFE, CAF, Non-Asbestos) ensure a tight, leak-proof seal.

• Versatile Application: Suitable for a wide range of fluids, including water, oil, chemicals, and gases.

•  Easy Installation: Designed with standard flanged or threaded connections for simple and secure integration into existing pipeline systems.

• Customization Available: We can provide sight glasses with various end connections, sizes, and pressure ratings to meet specific customer requirements.

Technical Specifications :

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), and others on request.

• Glass Material: Toughened Borosilicate Glass.

• Gasket Material: PTFE, CAF , Non-Asbestos, Graphite.

•  End Connection: Flanged (ANSI 150#, 300#, PN16), Screwed (BSP, NPT), or Welded.

   

• Size Range: DN15 (1/2") to DN200 (8") (custom sizes available).

• Operating Pressure: Up to 10 Bar (150 PSI) for standard models. Higher pressure ratings available.

• Operating Temperature: Up to 200°C (depending on gasket and glass material).

• Face-to-Face Dimensions: As per ANSI B16.10 or customer specifications.

Applications:

• Chemical and Petrochemical Plants

• Food and Beverage Processing

   

• Pharmaceutical Manufacturing

   

• Water Treatment Facilities

   

• Oil and Gas Industry

   

• Power Generation

   

• Pulp and Paper Mills

 

Product Details:

Dharvi Instruments Pvt. Ltd. offers a high-performance range of Vortex Flow Meters, designed for accurate and reliable measurement of liquid, gas, and steam flow in industrial pipelines. Based on the principle of vortex shedding, these meters generate a frequency proportional to the flow rate, enabling precise and repeatable measurement across a wide range of applications.

Our Vortex Flow Meters are engineered for durability, high accuracy, and low maintenance, making them suitable for chemical, petrochemical, power, and HVAC applications. Their robust construction and advanced sensing technology ensure dependable performance even under harsh conditions.

Key Features

• Accurate & Reliable: Provides high accuracy and repeatability over a wide range of flow rates.

• Versatile Applications: Suitable for liquids, gases, and steam in process pipelines.

• Durable Construction: Body materials available in SS304, SS316, Carbon Steel, or exotic alloys for corrosive or high-temperature applications.

• Wide Operating Range: Handles high temperature and high-pressure fluids with minimal pressure drop.

• No Moving Parts: Maintenance-free operation with long service life.

• Integrated Electronics: Available with local display, 4–20 mA output, pulse output, or HART/Modbus communication.

• Compact Design: Space-saving installation with standard flanged or threaded connections.

• Custom Calibration: Individually calibrated for specific fluids and operating conditions.

Technical Specifications

• Type: Vortex Flow Meter (Liquid / Gas / Steam)

• Body Material: SS304 / SS316 / Carbon Steel / Hastelloy / Titanium

• Sensor Material: SS316 or PTFE-coated (for corrosive fluids)

• Connection Type: Flanged (ANSI 150#, 300#, PN16) / Threaded (BSP / NPT)

• Size Range: DN15 (½”) to DN200 (8”)

• Flow Range: 0.5 m³/h to 500 m³/h (liquids), 0.1 Nm³/h to 10,000 Nm³/h (gases)

• Operating Pressure: Up to 40 bar (higher on request)

• Operating Temperature: -50°C to 400°C (depending on materials)

• Accuracy: ±1% of Reading (standard)

• Repeatability: ±0.5% of Reading

• Output Options: Pulse / 4–20 mA / HART / Modbus

• Display: LCD / LED local display (optional)

• Mounting: Horizontal or vertical installation with proper straight run requirements

Applications

• Chemical and Petrochemical Process Plants

• Steam and Condensate Flow Measurement in Power Plants

• Oil & Gas Industry: Crude Oil, Natural Gas, and Fuel Monitoring

• HVAC Systems for Air and Steam Flow Monitoring

• Water and Wastewater Treatment Plants

• Pharmaceutical and Food & Beverage Industries

Advantages

• High accuracy and stable measurement for liquids, gases, and steam.

• Optional electronic outputs allow integration with DCS/PLC systems.

Optional Accessories

• Local Display Unit (LCD / LED)

• 4–20 mA / HART / Modbus Output Modules

• Temperature and Pressure Compensation Kit

• Flanged or Threaded Adaptors for Special Pipelines

• Explosion-Proof / Flameproof Enclosures for Hazardous

Product Details:

Dharvi Instruments Pvt Ltd. presents an advanced and smart solution for modern fluid management: our Flow Meter with an integrated Telemetry System. This product combines the accuracy and reliability of our high-quality flow meters with cutting-edge remote data monitoring capabilities. Ideal for industries and authorities that need to track, measure, and manage fluid consumption from a distance, this system provides real-time data, enhances operational efficiency, and ensures compliance with regulatory guidelines such as those from the Central Ground Water Authority (CGWA).

The telemetry system allows for the remote transmission of flow data (flow rate, totalized flow) via cellular networks (e.g., GSM/GPRS) to a central server or cloud-based platform. This enables you to access critical information, generate reports, and receive real-time alerts from anywhere, using a web dashboard or a mobile application.

Key Features:

• Real-Time Remote Monitoring: Access live flow data (instantaneous flow rate and totalized flow) on a secure, cloud-based platform from any location.

• CGWA Compliance: Our systems are designed to meet and exceed the stringent monitoring and data reporting requirements of the Central Ground Water Authority (CGWA) and other environmental regulations.

• Data Logging & Storage: The system automatically logs data at regular intervals and stores it securely, enabling historical analysis, trend detection, and accurate reporting.

• User-Friendly Dashboard: A clean and intuitive dashboard provides an easy-to-use interface for viewing real-time data, generating reports, and managing system settings.

• Robust & Durable: The flow meter is built with high-quality materials (e.g., SS304, SS316) and a robust housing, ensuring reliable performance in harsh industrial environments.

• Standard Industrial Outputs: In addition to telemetry, the flow meter provides standard industrial outputs (e.g., 4-20mA, RS485 Modbus) for local integration with SCADA or other control systems.

Technical Specifications :

• Type: Electromagnetic Flow Meter (Mag Meter)

• Application Media: Conductive Liquids (Water, Wastewater, Slurries)

• Line Size: DN15 (1/2") to DN600 (24")

• Accuracy:  ±0.5% of Actual Flow Rate

• Body Material: Carbon Steel (CS), Stainless Steel (SS304, SS316), PP

• Liner Material: PTFE, Rubber

• End Connection: Flanged 

• Operating Pressure: Up to 16 Bar

• Power Supply: 230 V AC / 24 V DC / Battery Op.

Telemetry System:

• Communication: GSM 

• Data Transmission: Real-time data transmission to a cloud server

• Dashboard: Web-based, password-protected dashboard for monitoring and analysis

• Compliance: CGWA / State Water Authority Guidelines

• Memory: Internal data logging with a large storage capacity

Applications:

• Groundwater extraction monitoring and reporting (as per CGWA norms)

• Water distribution networks and bulk water transfer

• Sewage and Effluent Treatment Plants (ETPs & STPs)

• Irrigation and agriculture

• Industrial process monitoring

• Remote monitoring of water usage in factories and utilities

   

 

 

Additional Information:

• Item Code: 202
• Production Capacity: 20
• Delivery Time: 2 days
• Packaging Details: Box