Venturi Flow Meter
PetroSan Oilfield Engineering Co.—previously known as PetroSan—was founded in 2020. It is the best fabrication and manufacturing firm in South Asia, renowned for its exceptional quality and punctual delivery. We are the industry pioneers in Venturi flow meter. Our superior products set the standard for other manufacturers.
The most recent addition to Total Piping Solutions’ line of high-performing, value-added, and inventive products is PetroSan, our specialty in fabrication in venturi flow meters, Flow measurement meter, Differential pressure meter, Pressure drop flow meter, Flow rate meter, Accuracy flow meter, Repeatability flow meter, Turndown ratio flow meter, Flow range meter, Pressure rating flow meter, Temperature range flow meter, Fluid compatibility flow meter, Corrosion resistance flow meter, Hygiene flow meter, Sanitary design, Calibration flow meter, Maintenance flow meter, Installation flow meter, commissioning flow meter, Flow conditioning flow meter, Pipe flow meter.
Flow Meter :
A Venturi flow meter monitors the flow rate of a fluid (liquid or gas) using the Venturi effect. The Venturi effect occurs when a fluid’s pressure lowers as it travels past a confined segment of a pipe.
Here’s how it works:
1. The flow meter has a conical inlet and outlet with a narrow throat in between.
2. As the fluid flows through the inlet, its pressure and velocity increase.
3. At the throat, the velocity increases, and the pressure decreases due to the Venturi effect.
4. The pressure difference between the inlet and throat is directly proportional to the flow rate.
5. The flow meter measures this pressure difference and calculates the flow rate using Bernoulli’s principle.
Venturi flow meters have several advantages:
1. High accuracy: Venturi flow meters can achieve accuracy of ±1% or better.
2. Low pressure drop: The pressure drop across the flow meter is relatively low, making it suitable for applications where pressure loss is a concern.
3. Robust design: Venturi flow meters have a simple, rugged design with no moving parts, making them reliable and easy to maintain.
4. Wide rangeability: Venturi flow meters can measure flow rates over a wide range, typically 10:1 or 20:1.
5. Reversibility: Venturi flow meters can measure flow in both directions, making them suitable for applications with changing flow directions.
Oil and gas flow meters are specialized flow meters designed to measure the flow rate of fluids in the oil and gas industry. Some common types of flow meters used in this industry are:
1. Venturi flow meters: Use differential pressure to measure flow rate.
2. Orifice flow meters: Use a restriction in the pipe to measure flow rate.
3. Ultrasonic flow meters: Use sound waves to measure flow rate.
4. Coriolis flow meters: Use the Coriolis effect to measure mass flow rate.
5. Turbine flow meters: Use a rotating turbine to measure flow rate.
6. Positive displacement flow meters: Use a rotating impeller to measure flow rate.
7. Magnetic flow meters: Use a magnetic field to measure flow rate.
8. Vortex flow meters: Use vortex shedding to measure flow rate.
These flow meters are used in various applications, including:
1. Wellhead measurement: Measuring oil and gas production from wells.
2. Pipeline measurement: Measuring flow rate in transmission and distribution pipelines.
3. Custody transfer: Measuring flow rate for financial transactions.
4. Process control: Measuring flow rate for process optimization.
5. * Leak detection*: Detecting leaks in pipelines and infrastructure.
When selecting a flow meter for oil and gas applications, consider factors such as:
1. Accuracy: High accuracy is crucial for custody transfer and process control.
2. Reliability: Flow meters must operate reliably in harsh environments.
3. Durability: Flow meters must withstand corrosive fluids and high pressures.
4. Maintenance: Easy maintenance and calibration are essential.
5. Compatibility: Flow meters must be compatible with the fluid being measured.
Venturi flow meters are commonly used in various industries, including:
– Water and wastewater treatment
– Chemical processing
– Oil and gas
– Power generation
– Aerospace
Here are some common material specifications for Venturi flow meters:
Body and Wetted Parts:
– Stainless Steel (SS): 304, 316, or 316L grades for corrosion resistance and durability.
– Carbon Steel (CS): for general-purpose applications, often with a protective coating.
– Duplex Steel (DS): for high-strength and corrosion-resistant applications.
– Exotic Alloys (e.g., Hastelloy, Monel, or Titanium): for specialized applications involving harsh chemicals or extreme temperatures.
1. Stainless Steel:
– 304, 316, 316L, 304L, 321, 310, 410 420
2. Carbon Steel:
– A36, A572, A588, A992, A516, A515, A105
3. Alloy Steel:
– 4130, 4140, 8620, 9310, 17-4PH
4. High-Strength Low-Alloy (HSLA) Steel:
– HSLA 80, HSLA 100, HSLA 120
5. Duplex Steel:
– 2205, 2507, 2906
6. Nickel-Based Alloys:
– Inconel 600, Inconel 625, Incoloy 800
7. Titanium:
– Ti-6Al-4V (Grade 5), Ti-6Al-4V ELI (Grade 23)
8. Chrome-Moly Steel:
– 4130, 4140
9. Heat-Resistant Steel:
– 309, 310, 321
10. Wear-Resistant Steel:
– AR400, AR500
Trim and Internal Components:
– Stainless Steel (SS): 304, 316, or 316L grades for corrosion resistance and durability.
– Brass or Bronze: for some water or gas applications.
– Ceramic or Glass: for specialized applications requiring high corrosion resistance or hygiene.
Gaskets and Seals:
– Viton (FKM): for general-purpose applications, offering good chemical resistance.
– EPDM (Ethylene Propylene Diene Monomer): for water and steam applications.
– PTFE (Polytetrafluoroethylene): for high-temperature and chemical-resistant applications.
– Graphite or Ceramic: for high-temperature or specialized applications.
Coatings and Linings:
– Epoxy or Polyurethane: for corrosion protection and chemical resistance.
– PTFE or Teflon: for non-stick and chemical-resistant surfaces.
– Ceramic or Glass: for high-temperature and corrosion-resistant applications.
Other Components:
– Pressure taps and connections: often made from stainless steel, brass, or carbon steel.
– Electrical components (e.g., sensors, transmitters): typically made from durable materials like stainless steel, aluminum, or polycarbonate.
When selecting a Venturi flow meter, consider factors such as:
– Fluid compatibility
– Temperature range
– Pressure rating
– Corrosion resistance
– Hygiene requirements
– Cost and budget
Here are some common specifications for Venturi flow meters:
1. Flow Range: The range of flow rates that the meter can measure, typically specified in units such as liters per minute (L/min), gallons per minute (GPM), or cubic meters per hour (m³/h).
2. Accuracy: The meter’s accuracy, usually expressed as a percentage of the actual flow rate, such as ±1% or ±2%.
3. Repeatability: The meter’s ability to produce consistent readings for the same flow rate, typically specified as a percentage, such as ±0.5%.
4. Pressure Rating: The maximum pressure the meter can withstand, specified in units such as pounds per square inch (PSI), bars, or kilopascals (kPa).
5. Temperature Range: The range of temperatures the meter can operate within, specified in units such as degrees Celsius (°C) or degrees Fahrenheit (°F).
6. Fluid Compatibility: The types of fluids the meter can measure, such as water, gas, oil, or chemicals.
7. End Connections: The type and size of connections, such as flanged, threaded, or welded.
8. Materials: The materials used for the meter’s construction, such as stainless steel, carbon steel, or PVC.
9. Size: The meter’s size and weight, specified in units such as inches (in) or millimeters (mm).
10. Output Signals: The type of output signals the meter provides, such as analog (e.g., 4-20mA), digital (e.g., pulse or Modbus), or wireless.
11. Power Requirements: The meter’s power requirements, specified in units such as volts (V) and milliamps (mA).
12. Certifications: Any relevant certifications or compliance with industry standards, such as ISO, API, or ATEX.
Some typical values for a Venturi flow meter might be:
– Flow range: 0.1-100 L/min
– Accuracy: ±1%
– Repeatability: ±0.5%
– Pressure rating: up to 1000 PSI (69 bar)
– Temperature range: -20°C to 150°C (-4°F to 302°F)
– Fluid compatibility: water, oil, gas
– End connections: flanged or threaded
– Materials: stainless steel or carbon steel
– Size: 2-12 inches (50-300 mm)
– Output signals: analog (4-20mA) or digital (pulse)
Venturi Flow Meter manufacturer and fabricators :
With its distinctive flow meter products, Petrosan leads the industry in brand recognition and is among the greatest, biggest, and most established manufacturer, fabricators and suppliers of venturi flow meters, Manufacturer of Flow measurement meter, Manufacturer of Differential pressure meter, Manufacturer of Pressure drop flow meter, Manufacturer of Flow rate meter, Manufacturer of Accuracy flow meter, Manufacturer of Repeatability flow meter, Manufacturer of Turndown ratio flow meter, Manufacturer of Flow range meter, Manufacturer of Pressure rating flow meter, Manufacturer of Temperature range flow meter, Manufacturer of Fluid compatibility flow meter, Manufacturer of Corrosion resistance flow meter, Manufacturer of Hygiene flow meter, Manufacturer of Sanitary design, Manufacturer of Calibration flow meter, Manufacturer of Maintenance flow meter, Manufacturer of Installation flow meter, Manufacturer of commissioning flow meter, Manufacturer of Flow conditioning flow meter, Manufacturer of Pipe flow meter.
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- ASIA – India, Japan, Thailand, Singapore, Sri lanka, Bangladesh, South Korea, Indonesia, Philippines, Vietnam, Kazakhstan, Azerbaijan, Turkmenistan.
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