Diaphragm valve - 687
The GEMÜ 687 2/2-way diaphragm valve has a low maintenance plastic membrane actuator and is pneumatically operated. The valve has a metal distance piece. Normally Closed (NC), Normally Open (NO) and Double Acting (DA) control functions are available.
Hermetic separation between medium and actuator
CIP/SIP capable
Wide range of adaptation options for add-on components and accessories
Suitable for particulate and abrasive media
Stainless steel body suitable for corrosive environments
Wide range of adaptation options for add-on components and accessories
Body configurations:
Connection types: Clamp | Flange | Spigot | Threaded connection
Connection standards:
Body materials: 1.4408, investment casting material | 1.4408, investment casting material, PFA lined | 1.4435 (316L), forged material | 1.4435, investment casting material | EN-GJS-400-18-LT (GGG 40.3), PFA lined | EN-GJS-400-18-LT (GGG 40.3), PP lined | EN-GJS-400-18-LT, hard rubber lined
Diaphragm materials: EPDM | FKM | PTFE
Conformities*: 3A | CRN | EAC | FDA | Oxygen | Reg. (EU) No. 10/2011 | Regulation (EC) No. 1935/2004 | SIL | TA Luft (German Clean Air Act) | USP