Aluminium Made Oil Stop Valve is designed for oil injected screw compressors, rotary screw air compressor application. The Valve has the feature that the pilot port must be connected to compressor discharge upstream from the minimum pressure valve and preferably to the wet side of the oil separator. The Valve has inlet and outlet port size ranging from 1 ½” NPT to 2” NPT. The Aluminium Made Oil Stop Valve can bear maximum pressure of 160 PSI.