『Gasoline Flow Meter DN150 Terminal Loading Arm Specifications』Related information(flow rotameter|digital flow meter|balo meter|hydraulic flow meter|volumetric meter|positive displacement meter|pitot tube flow meter|displacement meter|cfm meter|variable area flow meter|inline flow meter|differential pressure flow meter|calibrated flow meter|velocity meter|paddle wheel flow meter|oval gear flow meter|anemometer hvac|multiphase flow meter|doppler flow meter|thorpe tube flowmeter|heat flow meter)
Gasoline Flow Meter DN150 Terminal Loading Arm Specifications
Quick Answer
For a DN150 terminal loading arm handling gasoline at a high flow rate, a Coriolis mass flow meter offers direct mass measurement with an accuracy of 0.1% and ATEX Zone 1 certification. You need a meter that handles flow rates up to 600 m³/h, pressure classes of ANSI 150 or 300, and outputs like 4-20 mA HART for integration with batch controllers.
Why a DN150 Meter Fits Gasoline Loading Arms
When you specify a flow meter for a DN150 gasoline loading arm, the meter size is not just about matching the pipe diameter. The loading arm typically connects to a bottom loading system on road tankers or railcars. Flow rates can peak at 450 to 600 cubic meters per hour during top-off. A DN150 meter allows this throughput with acceptable pressure drop. Most engineers in Southeast Asia and the Middle East now prefer Coriolis meters over turbine meters for gasoline custody transfer. Here is the thing: a turbine meter needs a mechanical prover and frequent recalibration for temperature and density shifts. A Coriolis meter by Silver Automation Instruments measures mass flow directly. No conversion factor needed.
Key Specifications for Gasoline Loading
Flow range: 90 to 600 m³/h for gasoline with a density around 730 kg/m³. Accuracy: plus or minus 0.1% of rate for mass flow, repeatability 0.05%. Process connection: ANSI B16.5 6-inch (DN150) RF flange, Class 150 or 300. Wetted parts: 316L stainless steel, or Hastelloy C-22 for ethanol-blended gasoline. Temperature range: -40 to +125 degrees Celsius with an integrated PT100 sensor for density compensation. Hazardous area certification: ATEX Zone 1 (Ex d ia IIC T4) or IECEx for local regulations. Output: 4-20 mA HART, Modbus RTU, pulse output for batch control.
Real-World Application Details
In practice, a paint manufacturer in Thailand once asked us about a DN150 meter for a solvent loading arm. The meter had to withstand fast drainage and low conductivity fluid. We recommended a Coriolis meter because it does not rely on electrical conductivity like a magnetic flow meter. That same logic applies to gasoline. For terminal automation, Silver Instruments flow meters come with a remote transmitter that can be mounted up to 100 meters from the sensor. This allows wall-mount integration in the loading gantry control cabinet. The meter also provides net oil and gross volume calculations via API tables built into the transmitter. This eliminates the need for an external flow computer in many cases.
Installation and Pulsation Tips
The loading arm dynamic can create flow pulsations. A Coriolis meter handles moderate pulsations well, but you must ensure that the arm is grounded and no air pockets enter the meter. We have seen on cust
Calibration and Verification
Unlike a positive displacement meter, a Coriolis meter can be verified with a process simulator or a compact prover. Most engineers skip the heavy field prover and opt for factory calibration with traceability to national standards. We provide a 5-point calibration certificate for every DN150 gasoline meter at our Shenzhen workshop. The internal diagnostics also check coil resistance and tube stiffness, so you catch drift before it affects the batch.
Frequently Asked Questions
Can a DN150 Coriolis meter handle gasoline blended with ethanol?
Yes, providing the wetted parts are upgraded to Hastelloy or duplex stainless steel. Standard 316L works for pure gasoline, but ethanol blends (E10, E85) can be more corrosive. Specify your blend ratio when ordering.
What is the maximum allowed pressure drop across a DN150 gasoline flow meter?
At 500 m³/h flow, the pressure drop is typically 0.6 to 1.2 bar depending on viscosity and density. Always keep back pressure above the vapor pressure to avoid cavitation.
What certifications does Silver Instruments provide for loading arm meters?
We provide ATEX, IECEx, and CE certifications. For Middle East projects, we also supply SASO and local conformity certificates. The transmitter has a built-in API 2540 calculation for product volume correction.
How often does a Coriolis meter need recalibration on a loading arm?
Under normal conditions, the meter drift is minimal. We recommend verification every 12 months using a master meter or a compact prover. Many terminal operators perform a daily zero check through the HART communicator.
Can the meter be installed in a bidirectional loading arm?
Yes, Silver Instruments Coriolis meters support bidirectional flow measurement. You just need to configure the transmitter for negative flow and set the pulse output accordingly. This is useful for top and bottom loading systems that require recirculation.
Get a Quote for Your Loading Arm Meter
Send us your operating pressure in bar, temperature in Celsius, pipe size (DN), flow range, and required certifications. Our team will return a datasheet and a quotation specific to your gasoline terminal. Reach out to Silver Automation Instruments through our website for a same-day technical review.
Hot Blog
Related AD
