HFS-20/15/25 4 Liquid Water Oil Control Automatic Paddle Flow 15A 250V IP54 _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ Features: This flow is an automatic that controls flow in pipes, which can be used on water system, central air-conditioning, water cooled chiller and relative industries. _x000D_ Applicable fluid includes water, ethylene glycol,oil or other liquid not classified as hazardous or corrosive. _x000D_ Flow control value is adjustable, repeat action point is stable. _x000D_ Protection grade is IP54; the contactor life is up to 100,000 times. _x000D_ When flow rate exceeds set value, fluid drives and micro the SPDT contact can a circuit and disconnect other circuit. _x000D_ It can not be used when fluid temperature drops below freezing point. _x000D_ _x000D_ Specifications: _x000D_ Output Form: Micro switch SPDT output _x000D_ Micro Switch: 15A(max.), 250VAC/for DC _x000D_ ModelHFS-15/ HFS-20/ HFS-25 _x000D_ Thread:R1/2 R3/4 R1 _x000D_ Fluid: Water, oil _x000D_ Fluid Temperature: 1~100 _x000D_ Max. Pressure: 10bar _x000D_ IP Grade: IP54 _x000D_ _x000D_ Package Includes: _x000D_ 1x Flow & 1 set Paddles _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_