Middleeast Valve is the foremost Diaphragm valve manufacturers in Saudi Arabia. Available Materials: Cast Iron, Ductile Iron, Alloy 20, WCB, WC6, WCC, LCB, LCC, SS304, SS316, CF8, CF8M. Class: 150 to 600. Size: 1” to 48”. Ends: Flanged, Threaded. Operation: Hand Wheel, electric actuated, pneumatic actuated, Gear operated.