Get current pricing for Crane Saunders, Crane Saunders-51253-ID 3 Crane Saunders Pneumatic Diaphragm Valve. Epdm Diaphragm, 3 Ansi Flanged Connections. 453 Top With 3448 Lining. Requires 80 Psi Open/close. V . Product Category: Process Equipment, Sub Category: Process Valves: