Get current pricing for Crane Saunders, Crane Saunders-51252-ID 2 Crane Saunders Pneumatic Diaphragm Valve. Epdm Diaphragm, 2 Ansi Flanged Connections. 553 Top With 3448 Lining. 775 Spring. Requires 80 Psi Open/c . Product Category: Process Equipment, Sub Category: Process Valves: