Oil-water separator combination valve has the function of separating the oil and water in the intake air and regulating the air pressure (overpressure unloading). It is the main component device to ensure the reliable work of the brake system components. Technical parameters: Opening pressure :804±20kPa Closing pressure :685-750kPa Operating temperature -40~+100℃ Adaptation: loaders with pneumatic control system and corresponding mechanical equipment of this type