Pneumatic Control valve diafarm type for process engineering and industrial applications These Pneumatic Control Valves are manufacturer by high grade of material and using latest technology. Features: High performance Reliable Durable Specification: Materials: A216 WCB, WC6, WC9, CF8, CF8M, Pressure Rating: ANSI Class 150lb, 300lb, 600lb Normal Size- 1"~12" Neoprene rubber round beat type diafarm