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Coriolis Flow Meter Used For: Custody Transfer Gas Sizing Sourcing Directories
Quick Answer: Coriolis mass flow meters suit gas custody transfer because they measure mass flow directly. You get one device for flow, density, and process temperature. For a firm quote, send gas type, pressure, temperature, pipe size, and flow range to Silver Automation Instruments.
This page is for engineers and buyers who source Coriolis flow meters from factory direct suppliers or online sourcing directories. We focus on gas sizing data that most quote requests miss. Because a missing density or pressure value changes the meter selection by one or two sizes.
Coriolis Flow Meter Used For Custody Transfer Gas
Custody transfer means the measured flow becomes the billing or ownership transfer basis. A Coriolis meter reads mass flow, not volumetric flow. That matters in gas lines because gas density changes with pressure and temperature. You do not need an external flow computer to correct volume to standard conditions.
We have seen this on customer sites many times. A gas distributor in Vietnam ordered three DN80 Coriolis meters for an LPG loading skid in 2024. Operating pressure was 18 bar. Flow range was 600 to 7500 kg/h. The order included 4-20 mA HART, pulse output, and ATEX Zone 1 certification.
For high pressure natural gas distribution, a DN50 Coriolis meter often covers 200 to 2600 kg/h depending on gas density. If the gas is hydrogen rich or contains high CO2, include the mole percentages. Mass flow is direct, but sizing still depends on density and velocity.
Gas Sizing for Coriolis Flow Meter Selection
Gas sizing starts with six data points. First, gas type or composition. Second, operating pressure in bar absolute or gauge. Third, operating temperature in °C. Fourth, minimum and maximum flow in kg/h or Nm3/h. Fifth, pipe size and flange standard. Sixth, hazardous area requirement if any.
Here is the thing. Pressure drop through a Coriolis meter changes with density and flow rate. A DN25 meter handles low gas flow, but it may choke at 3000 kg/h if gas density stays low. For LNG vapor return lines, we often select DN40 or DN50. For CNG dispenser calibration, DN15 to DN25 works because pressure stays high and density is high.
Most engineers skip the velocity check. We check it in the quoting phase at no cost. Send us your pressure in bar, temperature in °C, pipe size in DN, and flow range. You will get a sizing note with pressure drop and a recommended meter model.
Sourcing Directories and Factory Direct Supply
Online sourcing directories list many Coriolis flow meter suppliers. Not all of them are direct manufacturers. Silver Automation Instruments sells factory direct to end users, distributors, and OEMs in Southeast Asia, Oceania, Latin America, Africa, and the Middle East. You skip directory markups and deal with one engineering team.
We stock standard Coriolis meter models for gas custody
In practice, a directory purchase may give you a low price but no sizing feedback. We have seen a paint manufacturer in Southeast Asia buy a DN80 meter from a directory listing, then find out it was oversized for 120 kg/h solvent dosing. We later sized a correct DN15 meter. That saved them capital cost and piping changes.
Typical Coriolis Flow Meter Specifications We Quote
Use these values as a benchmark for your spec sheet. Accuracy: 0.15 percent of rate for liquids and gases. Repeatability: 0.05 percent. Density range: 0.05 to 5.0 g/cm3. Temperature range: -50 to 200 °C. Wetted material: 316L stainless steel. Process connection: DN15 to DN200. Output: 4-20 mA HART plus pulse. Power: 24 V DC. Approvals: CE, ATEX Zone 1, Zone 2, IECEx optional.
For gas custody transfer, we include an ISO 17025 calibration certificate. The meter has a built in PT100 temperature sensor for density correction. Basic commissioning does not require proprietary software.
FAQ: Coriolis Flow Meter Sourcing Questions
Can a Coriolis flow meter measure gas for custody transfer?
Yes. Coriolis meters directly measure mass flow. Many gas custody transfer contracts accept them when the meter has traceable calibration, accuracy below 0.5 percent, and the correct hazardous area certification.
What parameters do I need for Coriolis gas sizing?
Send gas type, pressure in bar, temperature in °C, pipe size in DN, and minimum and maximum flow rate. Also tell us if the gas is corrosive or contains moisture.
What is the smallest Coriolis meter for low gas flow?
We offer DN15 for low gas flows from about 0.5 kg/h to 50 kg/h depending on pressure and density. For CNG or high pressure methane, a DN15 meter can cover a wider mass flow range because density is higher.
Do you supply ATEX or IECEx gas zone versions?
Yes. Our Coriolis flow meters can be supplied with ATEX Zone 1 or Zone 2 certification for gas applications. We also have IECEx options for projects in Southeast Asia, Africa, and the Middle East.
What is the typical lead time for a DN50 gas custody transfer meter?
For standard 316L stainless steel DN50 with 4-20 mA HART, lead time is usually 7 to 12 working days after deposit. Larger sizes or IECEx documentation can add 5 to 10 days.
For a quote, send us your pressure (bar), temperature (°C), pipe size (DN), and flow range. Also include the gas type and any hazardous area certificate needed. Contact Silver Automation Instruments. Tel: +86-135-1213-1526. WhatsApp: 86-135-12131526. WeChat: +86 13512131526. Visit flow-meter.com.au for data sheets.
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