1. Hydraulics - Pneumatics
  2. Valve
  3. Diaphragm valve
  4. GEMÜ Gebrüder Müller Apparatebau GmbH & Co. KG

Diaphragm valve 687
pneumatically-operatedsamplingflange

diaphragm valve
diaphragm valve
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Characteristics

Type
diaphragm
Operation
pneumatically-operated
Function
sampling
Body
flange, threaded, modular, inox, EPDM, rubber, PFA, PP
Applications
tank bottom
Number of channels
2/2-way, 6-way and higher
Other characteristics
normally closed, double-acting, normally open, for abrasive fluids
DN

Max.: 100 mm (3.937 in)

Min.: 10 mm (0.394 in)

Pressure

Max.: 10 bar (145 psi)

Min.: 0 bar (0 psi)

Temperature

Max.: 100 °C (212 °F)

Min.: -10 °C (14 °F)

Description

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

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.