The GEMÜ 650 2/2-way diaphragm valve has a stainless steel piston actuator and is pneumatically operated. The valve is designed for use in a sterile environment. All metallic actuator components are made of stainless steel. The compression springs of diaphragm sizes 80 and 100 are made of epoxy coated spring steel. Normally closed (NC), Normally open (NO) and Double acting (DA) control functions are available. An integral optical position indicator is standard.
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- Autoclave capability
- CIP/SIP capable
- Optional flow direction and installation position
- Suitable for inert, corrosive, liquid and gaseous media
- Hermetic separation between medium and actuator
- Connection: Clamp; Flange; Spigot; Threaded socket; Threaded spigot
- Actuator: Pneumatic
- ATEX
- Explosion protection
- Body material: 1.4408, investment casting; 1.4435, forged body; 1.4435, investment casting; 1.4539
- Max. operating pressure: 10 bar
- Max. media temperature: 100 ° C
- Min. media temperature: -10 ° C
- Nominal sizes: DN 4; DN 6; DN 8 (1/4''); DN 10 (3/8''); DN 12; DN 15 (1/2''); DN 20 (3/4''); DN 25 (1''); DN 32 (1 1/4''); DN 40 (1 1/2''); DN 50 (2''); DN 65 (2 1/2''); DN 80 (3''); DN 100 (4'')
- Control valve
Connection types: Clamp | Flange | Spigot | Threaded socket | Threaded spigot
Operation: Pneumatic
Valve body materials: 1.4408, investment casting | 1.4435, forged body | 1.4435, investment casting | 1.4539
Operating pressure: 0 to 10 bar
Media temperature: -10 to 100 °C
Nominal sizes: DN 4 to 100
ATEX: Yes
Explosion protection: Yes
Control valve: Yes
Fitting Accessories
Product video
How diaphragm valves with metal valve bodies work
00:29 min
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Online since 16.09.2015
Product applications
Product news
09.04.2018
New tutorials on replacing two-piece diaphragms
The GEMÜ training team has already published a number of videos in recent years on specific content such as replacing wearing parts.Product news
31.03.2016