RFI Type Visual Flow Indicator RotorFlow® in its most basic form — a bright orange rotor turning with fluid flow. Simple, direct and reliable. Flow rate is estimated, or confirmed, by viewing the speed of the turning rotor. Either port can 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. Features and Benefits • Bright visual flow confirmation • Flow ranges from 0.38 LPM to 227 LPM • Removable lens for quick cleanout • Available in brass, stainless steel or high performance plastic housings Product Application Information • Visual flow confirmation on heat exchangers • Plastic injection moulding equipment