1PRESSURE LIMITING AND ALARMING: Suitable for pressure control, pressure limiting and alarming of non corrosive liquids, gases and steam 2VIEW PRESSURE CONTROL POINT: Single pole double throw pressure switch, the shell has a plastic cover to view the pressure control point 3CONTROL ON OFF ACTION: Control ON OFF action of the external circuit by detecting changes in pressure, changing the state of the internal switch 4CONTROL BOILER AND WATER TOWER: Used to control boiler and water tower pressure regulation system, can detect pressure changes 5NPT1/418 THREAD: The pressure diaphragm of the standard model is stainless steel, the pressure joint is made of brass, and the thread is NPT1/418 Item Type: Pressure ControllerModel: LF56Maximum Ambient Temperature: 66Maximum Load: 15A 250VACMaximum Diaphragm Pressure: 225psiPressure Range: 10-150psi / 70-1000kPaPressure Difference Range: 10-22psi / 80-160kPaInterface Thread: NPT1/4-18Contact Type: SPDTContact Method: Single pole double throwDiaphragm: Stainless steelInterface: BrassWorking Medium: Non corrosive medium such as air, water, oil, liquid, etc., chlorine containing liquid is not availableAmbient Temperature: Work normally within the range of -29~66Medium Temperature: -40~180 without freezing 1 x Pressure Controller1 x User Manual 1. Standard model for non corrosive media such as petroleum, water, air, liquids, etc., chlorine liquid cannot be used.2. Allowable ambient temperature is & 8209;29& 8209;66.