• Isolation valve allows insertion and removal with the pipe under pressure
• High-quality ruby bearings for excellent low-flow performance and long life
• One easily-replaced moving part
• Square-wave frequency output can connect directly to PLCs or counter controls
• Uses standard NPT threaded pipe fittings or saddles
• Controls can be remote or meter mounted

These “hot tap” versions of the proven IP insertion flow sensors are designed to install or be serviced without depressurizing the pipe. Like all IP sensors, they have a paddlewheel rotor and jewel bearings for superior low flow performance. Rotation of the rotor is detected by a non-drag Hall-effect sensor, which interfaces easily with many types of electronic control. A display, divider, or analog transmitter can be installed on the end of the sensor, or the signal can be sent without amplification for hundreds of feet to remote electronics.

Insertion and removal under pressure is possible due to the 2" full-port isolation valve, which comes with a nipple for installation on the pipe fitting. If it is necessary to do the initial installation under pressure, any standard hot tap drilling machine with 2" NPT adapter, such as  a Mueller, can be used. Ordinarily, it is not necessary to use an installation tool, since the small diameter tube can be controlled by hand at all but the highest pressures.

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