A pipe sight glass — which is also called a sight window or view port, is a transparent window that provides a means of seeing inside a process pipe or tank.
Deye High preformance Butterfly valves, working pressure of 285PSI /740PSI, ?150LBS & 300lbs. ?Size range from 2“ to 36", ?low torque Value, ?tight body design. Material avaible for WCB, CF8, CF8M, CF3M, 4A, 5A, 6A.