Series 1200 Variable Area Flow Meter with Control Valve.

The 1200 Series Rotameters are an Inline Flow Meter of robust design and can be used to measure the flow rate of most process gases and liquids. The meter is constructed with Aluminum chassis, stainless steel, or nickle plated brass end connections with borosilicate glass metering tube. The 1200 series flow meters are available in three standard lengths and can be supplied with or without a needle control valve for flow rate adjustment. A optional latching alarm for Hi or Low alarms points is available for the 1200 series meters.

The Series 1200 Variable Area Flow Meters are produced in three standard sizes for display of instantaneous flow rate of virtually any process gas or liquid with standard flow ranges up to 10 lt/min of water or 150 lt/min air @ 1013 mbar abs 20°C.  The 1200 series Inline Flow Meters have an aluminum chassis with Ni plated brass or stainless steel end blocks, borosilicate glass metering tube and polycarbonate safety cover. Process connections can be straight through, or rear facing and meter can be supplied with or without integral control valves for flow rate control.

The 1200 Long meter has a flow tube length of 295mm is excellent for use where high resolution scale accuracy is required.

The 1200 Standard has a flow tube length of 138mm. This meter has a universal standard tube length

The 1200 Compact meter has a flow tube length of 93mm and is great when space is at a premium.

All the 1200 series meters are normally front of panel mounted, but can also be rear of panel mounted and supplied complete with bezel and mounting kit. Image shown above.

Please contact BES Flowmeters for any additional technical information and assistance with the correct meter selection for your application.

Useful Resources:


B.E.S. Flowmeters, MPB


air, chemicals, gas, water


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