Gems RFI Flow Indicator

Gems® type RFI indicators are RotorFlow in its most basic form – a bright orange rotor turning with fluid flow. They are simple, direct, and reliable. Flow rate is estimated, or simply confirmed, by viewing the speed of the turning rotor. Either port may be used for incoming flow, and bayonet mounting lens is easily removed for quick cleanout. RFI Type RotorFlow sensors are easy to see, easy to install, and easy to afford.

Data Sheet

Additional information



Indicator Type


Media Type


Body Material

Brass/Bronze, Stainless Steel, Plastic