HFS-15 liquid water oil sensor control automatic paddle flow switch Products are shipped according to the color or size of the main image on the product page. Size: 15 feature: The flow switch is an automatic component for controlling pipeline flow, which can be used in water treatment systems, central air-conditioning, water-cooled chillers and other related industries. Applicable fluids include water, glycol, oil, or other liquids not classified as hazardous or corrosive. The flow control value is adjustable, and the repetitive action point is stable. The protection grade is IP54; the life of the contactor can reach 100,000 times. When the flow exceeds the set point, the fluid actuates the vane and microswitch, the SPDT contacts make one circuit and break the other. Do not use when fluid temperature is below freezing. Specification: Output form: micro switch SPDT output Micro switch: 15A (maximum), 250VAC/DC Model HFS-15/ HFS-20/ HFS-25 Thread: R1/2 R3/4 R1 Fluid: water, oil Fluid temperature: 1~100 maximum. Pressure: 10bar Protection class: IP54 Package includes: 1 flow switch and 1 paddle block