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Belimo Flow Meter: Sourcing Electronic Pressure Independent Control HVAC Valves
Quick Answer: Silver Automation Instruments does not sell Belimo branded valves or Belimo branded flow meters. We supply industrial flow meters, pressure transmitters, temperature sensors, and paperless recorders that operate with electronic pressure independent control valves in HVAC water loops. Send us your pipe size, fluid, flow range, temperature, pressure, and required signal for a specific quote.
Many buyers search for a Belimo flow meter because they need a reliable flow signal on a chilled water or hot water line. Belimo is well known for electronic pressure independent control valves and thermal energy valves. That valve is only one part of the loop. The flow meter, pressure transmitter, and temperature sensor are the measurement points that tell you if the loop is doing its job.
Do You Need the Belimo Valve or the Flow Signal?
First decide what you are sourcing. If you need the pressure independent control valve itself, buy it from an authorized Belimo partner or a local HVAC controls distributor. If you need a flow meter to mount near that valve, that is where Silver Instruments fits.
Here is the thing. A pressure independent control valve keeps flow stable even when differential pressure changes. But the valve does not always give you a calibrated flow output. You often need a separate inline flow meter or a clamp-on ultrasonic meter to verify actual flow and send data to the BMS. We have seen this on customer sites many times in Southeast Asia and the Middle East.
Flow Meter Options for HVAC Water Loops
For chilled water from 1 to 15 °C, an inline electromagnetic flow meter is our first recommendation. Choose DN10 to DN300. Accuracy is plus or minus 0.5 percent of reading. The liner should be PTFE or hard rubber. Electrodes should be 316L stainless steel or Hastelloy. Output can be 4-20 mA HART, pulse, or RS485 Modbus. This signal connects directly to most building management systems. Ask for the Silver Instruments SX-EMF series.
For hot water up to 120 °C, use the same electromagnetic meter with a PTFE liner and remote transmitter if the pipe is insulated. For condenser water with possible suspended solids, electromagnetic is still a good match because there are no moving parts and no pressure drop.
If you cannot shut down the line, choose a clamp-on ultrasonic flow meter. Ask for the Silver Instruments SX-US series. It handles DN15 to DN6000. Typical accuracy is plus or minus 1.0 percent of reading. Installation takes about 40 minutes per transducer set. Most engineers skip this part and then face issues with pipe surface prep. Clean the pipe, remove loose paint, apply coupling gel, and strap the transducers properly.
Pressure and Temperature Signals Around the Valve
You also need pressure and temperature to check valve authority and thermal energy. A 4-20 mA HART pressure transmitter with a range of 0-10 bar or 0-16 b
A practical example: a HVAC contractor in Singapore ordered three electromagnetic flow meters for DN80 chilled water lines. The flow range was 10 to 60 m3/h. Output was 4-20 mA HART. We included two pressure transmitters per line for supply and return pressure. The total lead time was 10 days. That kind of package is common for retrofits.
Why Source from Silver Instruments
We are Silver Automation Instruments, an industrial flow meter manufacturer based in Nanjing, China. Our main products include Coriolis mass flow meters, electromagnetic flow meters, ultrasonic flow meters, vortex flow meters, oval gear flow meters, thermal mass flow meters, pressure transmitters, and paperless recorders. We supply distributors and end users in Southeast Asia, Oceania, Latin America, Africa, and the Middle East.
We do not claim to be a Belimo distributor. We focus on the measurement side of HVAC and process systems. That keeps the scope clear and the pricing direct.
FAQ
Do you sell Belimo flow meters?
No. We sell Silver Instruments flow meters and related process instruments. Our meters work in parallel with Belimo electronic pressure independent control valves, but we are not a Belimo distributor.
Which flow meter works with electronic pressure independent control valves?
An inline electromagnetic flow meter is the most common choice for chilled water and hot water. Choose a 4-20 mA HART output so the building management system can read flow at the same time as the valve position.
What parameters do you need for a quote?
We need pipe size (DN), fluid type, flow range in m3/h, temperature in °C, pressure in bar, and the required output signal. Also tell us the country and the quantity.
Can you supply meters for HVAC chilled water and hot water?
Yes. We supply inline electromagnetic flow meters and clamp-on ultrasonic flow meters for chilled water, hot water, condenser water, and glycol loops. We also supply pressure transmitters and PT100 sensors.
What is the lead time for flow meters to Southeast Asia or the Middle East?
Standard lead time is 7 to 15 days for most electromagnetic flow meters. Larger sizes or special liners may take up to 20 days. We ship by DHL, FedEx, or sea freight depending on the order size.
Contact Silver Instruments
For a specific quote, send us your pipe size (DN), fluid type, flow range in m3/h, temperature in °C, pressure in bar, and output signal. You can also tell us if the project is a retrofit or new build. Tel: +86-25-68650347. Whatsapp: +86-25-52155837. WeChat: +86 15365082610. Visit flow-meter.com.au for the full product range.
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