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Coriolis Flow Meter Dimensions: Engineering Footprints for High-Pressure Mass Sensors
Quick Answer: Silver Automation Instruments supplies Coriolis mass flow meters with face-to-face lengths from 250 mm for DN15 up to 900 mm for DN100. High-pressure mass sensors rated at 250 bar or 420 bar are longer and heavier because thicker manifolds and flanges add material. Send us your pipe size, pressure, temperature, and flow range and we will return a dimensioned GA drawing within 24 hours.
Why Physical Dimensions Matter for High-Pressure Coriolis Meters
Most engineers start with flow accuracy. But on a skid or offshore platform, the footprint decides whether the meter fits. A Coriolis meter is a rigid metal assembly. It has two parallel flow tubes, a heavy case, and process connections on both ends. High-pressure body material like 316L stainless steel or duplex adds wall thickness. This changes the face-to-face length and the height from pipe centerline to the transmitter neck. In practice, you need more than a catalog number. You need the outline drawing.
Silver Automation Instruments is a Coriolis mass flow meter manufacturer for oil and gas, chemical, water and wastewater, food and beverage, and marine duty. We have seen a biodiesel plant in Indonesia lose three days because the replacement meter was 40 mm longer than the old spool. Site pipe fitters had to re-cut the pipe before the meter could be installed.
Standard Footprint Data for DN15 to DN100
Use these numbers as a starting reference for ASME B16.5 flanges and 316L sensors. The actual dimension changes with pressure class and flange standard.
DN15 or 1/2 inch has a face-to-face length around 250 mm, height around 350 mm, and weight around 8 kg. DN25 has a face-to-face length around 300 mm, height around 400 mm, and weight around 12 kg. DN50 has a face-to-face length around 450 mm, height around 500 mm, and weight around 28 kg. DN80 has a face-to-face length around 600 mm, height around 620 mm, and weight around 55 kg. DN100 has a face-to-face length around 900 mm, height around 780 mm, and weight around 100 kg.
These values cover standard pressure ratings up to PN40 or Class 300. For high-pressure mass sensors at PN100, PN250, Class 600, or Class 1500, the body gets longer and heavier. A DN25 high-pressure meter can jump from 300 mm to 360 mm face-to-face and double in weight.
What Changes at High Pressure
Pressure rating is the main driver of footprint. A 250 bar Coriolis meter needs thicker manifold bars and stronger flange bolts. That means larger outer diameter, longer neck height, and more mass. For example, a DN50 meter at PN40 may weigh 28 kg. The same DN50 at PN250 can weigh 60 kg. The added weight often forces pipe supports to move.
Temperature also matters. A meter rated for -50 to 150 degrees Celsius may have a standard neck. If you need 200 degrees Celsius or above, the transmitter neck becomes longer to protect electronics. That changes the total height by 50
Flange standard changes the bolt circle and face-to-face dimension. EN 1092-1 PN100 flanges are not the same as ASME B16.5 Class 600. A buyer in Saudi Arabia may ask for ANSI flanges. A customer in Chile may ask for DIN flanges. Silver Instruments supplies both. Send us your flange standard with the request.
Installation Clearance and Pipe Support
Here is the thing. Do not treat the catalog length as the only space you need. You need room for the transmitter housing, cable entry, and sensor removal. We recommend at least 150 mm of clear space above the transmitter. For a DN80 meter in a tight pump skid, the full envelope can exceed 1 meter in height once the cable gland and junction box are included.
Pipe support matters more with high-pressure Coriolis meters because the sensor is heavy. A DN100 PN250 meter can weigh more than 150 kg. Pipe hangers should sit close to the flanges. If unsupported pipe adds stress, the zero point shifts and you see measurement drift. We have seen this on customer sites many times, especially on offshore gas lift lines in Southeast Asia.
How to Specify Dimensions Before You Quote
Because dimensions are tied to process conditions, you cannot rely on a general brochure. Send us pipe size DN, pressure in bar, temperature in Celsius, flow range in kg/h, fluid density or viscosity in cP if available, flange standard like EN or ASME, and hazardous area rating such as ATEX Zone 1 or IECEx. Standard outputs include 4-20 mA HART and pulse. Silver Instruments asks for these data points before releasing a dimensioned drawing. We return a PDF GA layout and a 3D STEP file for most sizes. This helps pipeline designers in Vietnam, Nigeria, and Mexico place the meter correctly before procurement.
FAQ
What is the typical face-to-face length of a DN50 Coriolis flow meter?
Standard DN50 meters are around 450 mm long. High-pressure versions can be longer, so request a GA drawing.
Does higher pressure increase the meter length?
Yes. A DN25 meter may jump from 300 mm to 360 mm when the pressure rating moves from PN40 to PN250.
Can Silver Instruments provide a dimension drawing before quotation?
Yes. Send pipe size, pressure, temperature, flow range, and flange standard. We return a PDF and STEP file within 24 hours in most cases.
What flange standards do you support?
We support EN 1092-1, ASME B16.5, JIS, and other common standards. High-pressure meters often use EN PN100 or ASME Class 600.
What clearance is needed for transmitter access?
Allow at least 150 mm above the transmitter. For large meters, allow more because the cable gland and junction box add height.
Contact Silver Automation Instruments
Send us your pressure in bar, temperature in Celsius, pipe size DN, and flow range. We will reply with a dimensioned footprint, weight, and price. Tel: +86-135-1213-1526. Whatsapp: 86-135-12131526. WeChat: +86 13512131526. Website: flow-meter.com.au.
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