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Flow Meter Testing Equipment Catalog: Master Meters, Pitot Manifolds, and Prover Loops
Quick Answer: A master meter, pitot manifold, or prover loop is selected by line size, pressure, temperature, fluid type, and required accuracy. Silver Automation Instruments supplies flow meter testing equipment for water, diesel, chemicals, and gas service across Southeast Asia, Australia, Latin America, the Middle East, and Africa. Send your pipe size (DN), pressure (bar), temperature (°C), and flow range to get a quote.
This catalog covers three groups of testing hardware. You can use these devices for calibration checks, commissioning, and proving runs in plants and on skids.
Master Meters for Flow Calibration and Field Verification
In practice, most engineers skip master meter selection in the beginning. Then they find a mismatch at low flow. A master meter is a reference flowmeter placed in series with a unit under test. Silver Instruments offers master meter packages from DN15 to DN200 for clean water, diesel, light chemicals, and some gas flows. Accuracy starts at 0.2 percent of reading for electromagnetic and Coriolis master meters.
For a diesel terminal in Indonesia, a DN80 Coriolis master meter checked truck loading meters at 1200 L/h to 8000 L/h. The test skid runs at 5 bar to 10 bar and 25 °C to 40 °C. You can use 4-20 mA HART output from both meters and compare totals in the control room.
Pitot Manifolds for Differential Pressure and Flow Profiling
A pitot manifold combines multiple pitot tubes or pressure taps into one header. It is used to check velocity profile, differential pressure, or flow rate in large pipes and ducts. We supply pitot manifolds for pipe sizes DN100 to DN1000. Typical pressure rating is PN16 or Class 150. Temperature range is -20 °C to 150 °C.
A water utility in Australia used a DN300 pitot manifold on a pump station discharge line. They measured flow profile before installing a new electromagnetic flow meter. The manifold gave stable differential pressure at 0.2 bar to 0.8 bar. That saved them from choosing the wrong meter location.
Prover Loops for Liquid and Gas Meter Proving
A prover loop gives you a known volume or mass reference. You can run a meter under test, capture pulses or analog output, and compare against the prover volume. Silver Automation Instruments offers prover loops for diesel, crude oil, water, and some gas systems. Standard flow ranges cover 100 L/h to 100,000 L/h. Pipe connections range from DN25 to DN150. Pressure rating goes to 40 bar for liquid loop.
A chemical plant in Saudi Arabia proved a Coriolis mass flow meter on solvent transfer. The loop volume was 150 liters. The meter reading was within 0.15 percent over three runs at 30 bar and 45 °C. That kind of repeatability matters for custody transfer and internal accounting.
How to Specify Testing Equipment Without Delays
Here is the thing. Most delays come from missing fluid data. Do not send a request with only pipe size. We need fluid name, viscosity in cP for fuels and oils, conductivity in µS/cm for electromagnetic meters, pressure in bar, temperature in °C,
A compact prover loop for a paint manufacturer in Vietnam was specified as safe area only. Later the plant asked for Zone 2. That change cost two weeks. We can supply ATEX rated instruments if you tell us early.
Regional Support and Delivery
Silver Instruments ships testing equipment to Singapore, Malaysia, Indonesia, Thailand, Australia, New Zealand, Chile, Peru, Colombia, UAE, Saudi Arabia, Nigeria, and Kenya. We work with local distributors and panel builders. For master meter skids, we can include pressure transmitters, temperature sensors, flow computers, and HART cabling. For pitot manifolds, we supply valve blocks, tubing, and differential pressure transmitters. For prover loops, we supply reference meters, valves, pumps, and pulse counting panels. We do not just send components. We help you with layout and startup data.
Contact Silver Automation Instruments for a flow meter testing equipment quote. Send us your pressure (bar), temperature (°C), pipe size (DN), and flow range. Tell us the fluid and whether you need ATEX Zone 1 or Zone 2. Reach us by Tel: +86-25-68650347, Whatsapp: +86-25-52155837, or WeChat: +86 15365082610. Our website is flow-meter.com.au.
FAQ on Flow Meter Testing Equipment
Question 1: What is the difference between a master meter and a prover loop?
A master meter is a reference flowmeter used in series with the meter under test. A prover loop adds a fixed volume standard, valves, pump, and return line. The prover loop gives a direct volume or mass reference. The master meter gives a real time flow comparison.
Question 2: Can I use a pitot manifold for compressed air flow testing?
Yes. You can use a pitot manifold with a differential pressure transmitter for air and gas flow. You need to know pipe internal diameter, upstream straight run, gas temperature, and static pressure. We supply pitot manifolds for duct and pipe sizes from DN100 to DN1000.
Question 3: Do you supply flow testing equipment for ATEX Zone 1?
Yes. We supply ATEX certified transmitters, Coriolis master meters, and solenoid valves for Zone 1 and Zone 2 environments. You must state the gas group and temperature class when requesting a quote.
Question 4: What information do I need to request a quote?
We need fluid name, flow range, pipe size (DN), operating pressure (bar), operating temperature (°C), connection type, and electrical output preference. For hydrocarbons also give viscosity in cP and density. For water and chemicals give conductivity in µS/cm if you want electromagnetic meters.
Question 5: Can you ship testing equipment to Australia and Southeast Asia?
Yes. We ship to Australia, New Zealand, Singapore, Malaysia, Indonesia, Vietnam, Thailand, the UAE, Saudi Arabia, Chile, Peru, Nigeria, and Kenya. We provide commercial invoice, packing list, and standard export documentation. Lead time is normally 2 to 4 weeks after drawing approval.
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