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Variable Area Flow Meters

For Water, Air, Gas and Oil

We carry many variable area meters that are amongst the best in the industry. These items measure flow rate using an indicator, switch, transmitter or all of those tools together. There are a variety of models that are manufactured with different materials so you can find one that will be perfect for any conditions. Look through our inventory to determine which of the products that we carry might work with your specific application. We have professional engineers ready to speak with you at all times to answer any questions you might have about what will work best for you. Request a quote and a member of our team with contact you to solidify your order. We work with companies of all shapes and sizes and can ship to anywhere in the world!

Series RVM/U

Low Cost Flow Switch

Full scale flow ranges from 60cc/m to 40 GPM and 4 SCFH to 400 SCFM. Connection sizes from 1/8 inch
to 1-inch NPT or BSP. Construction materials include brass or stainless steel, and it offers a calibrated scale for easy field adjustaility. It's spring loaded with mechanical design mounts in any orientation. Pressure ratings to 4500 PSIG.

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Series RVO/U

Compact indicators and switces for low flat rates

Clear flow tube allows for view of process and scale. Full scale flow ranges from 60cc/m to 40 GPM a
nd 4 SCFH to 400 SCFM. Connection sizes from 1/4 inch to 1-inch NPT or BSP. Construction materials include brass or stainless steel, and it offers a calibrated scale for easy field adjustaility. It's spring loaded with mechanical design mounts in any orientation. Pressure ratings to 145 PSIG.

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Series Y, U, F, M

High capacity indicators, switches and transmitters

Easy to read with a large scale design that rotates, an optional field adjustable switches for hazar
dous and non-hazardous locations. Full scale flow ranges from 1 to 1200 GPM and 10 SCFH to 10,000 SCFM. Connection sizes from 1/4 inch to 8-inch NPT or BSP. Construction materials include brass, 316L S.S.,cast iron, aluminum or carbon steel. It's spring loaded with mechanical design mounts in any orientation. Pressure ratings to 2000 PSIG, optional 4-20MA transmitter.

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Series HFR, HFS, HFT

HIgh pressure, high temperature indicators, switches and transmitters

Spring loaded mechanical design can mount in any orientation. Viscosity compensating for liquids up
to 500 SSU and pressure ratings up to 6000 PSIG. Full scale flow ranges from 1 to 150 GPM and 10 SCFM to 1300 SCFM. Connection sizes range from 1/4-inch to 8-inch NPT, BSP, SAE or flange. Construction materials include brass, stainless steel or aluminum. Optional 4.20mA transmitter, field adjustable switches, and high temperature design up to 600 degrees F (315 C).

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Series DKM, DKM/A, DKG

Viscosity compensating indicators and switches

Maintains accuracy regardless of viscosity fluctuations with a calibrated scale for easy field adjus
tability. Full scale flow ranges from 60cc/m to 40 GPM and 4 SCFH to 400 SCFM and pressure ratings up to 4500 PSIG. Connection sizes range from 1/4-inch to 1-inch NPT or BSP. Spring loaded mechanical design can mount in any orientation. Construction materials include brass or stainless steel, with optional field adjustable switches.

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Vent Switch

Low pressure, low flow switch for air and gases

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