This website uses cookies.

On our web pages and in our online shop, we use strictly necessary cookies and cookies that are needed to process your queries. We also use tracking cookies, which help us to optimize our online presence and offer you a better browsing experience as a result. ...

You can find further information in our Data Protection Statement. Data protection statement

OK Personal settings more
Functional cookies

These cookies are strictly necessary to enable you to use all the functions and features of GEMÜ web pages. Consequently, they are enabled by default and cannot be disabled. If you wish to avoid these cookies, you can do so by changing the settings in your browser.

Web analysis cookies

Here you can decide whether you want to allow a unique web analysis cookie to be stored in your browser that will enable the website operator to record and analyse various statistical data. If you do not want to allow this, click on the following link to store the Piwik opt-out cookie in your browser.

Unfortunately, GEMÜ is currently unable to store settings for multiple browsers or about multiple user accounts. It is also possible that, irrespective of the security settings you have set in your browser, the cookies set by GEMÜ will be deleted when you close the browser and will therefore no longer be available in your next session. If you close or change your browser, or if you use more than one PC, you may have to make some of the changes again.

GEMÜ 651

Pneumatically operated diaphragm valve

  • Description
  • Features
  • Technical specifications

The GEMÜ 651 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. The valve has a fully integrated automation module and an internal air supply. Normally closed (NC) and Normally open (NO) control functions are available. The automation module is available in two versions.

  • Reduced planning and cabling time
  • Integrated air ports
  • Speed-AP function for fast mounting and initialisation
  • Optional flow direction and installation position
  • Connection: Clamp; Spigot; Threaded socket; Threaded spigot
  • Actuator: Pneumatic
  • Fieldbus
  • Body material: 1.4408, investment casting; 1.4435, forged body; 1.4435, investment casting
  • 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 15 (1/2''); DN 20 (3/4''); DN 25 (1'')
  • Control valve

Product video

How diaphragm valves with metal valve bodies work

00:29 min
3928 Views
Online since 16.09.2015
More videos