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GEMÜ is a German company founded since 1964, and a leading manufacturer of valves, measurement and control systems.

Today, Gemu is the world market leader of valves for sterile applications in the pharmaceutical and biotechnology industries.

Gemu offers the following range of products:
  • Aseptic Diaphragm Valves
  • Plastic Diaphragm Valves
  • Metal Diaphragm Valves
  • Butterfly Valves
  • Globe Valves
  • Control Valves
  • Solenoid Valves
  • Pilot Valves
  • Ball Valves
  • Check Valves
  • High Purity Products  (Valves, Flow, Pressure, Tubings & Fittings)
  • Positioners & Controllers
  • Electrical Position Indicators
  • Field Bus Systems
  • Actuators
  • Flowmeters (Rotameters)

Sanitary Diaphragm Valve, Manually Operated

Type 673

Sanitary Diaphragm Valve, Manually Operated


Nominal sizes 1”- 2”, with stainless steel bonnet (similar to 601 and 612) ½”– 2” connections

Standard Features 
  • Stainless steel bonnet with sanitary internals
  • Ultem® 1000 polymer handwheel,
  • EHEDG certified sealing concept
  • Autoclavable
  • Compact design
  • Seal adjuster (adjustable travel stop closed)
  • Visual position indicator
  • Second generation PTFE or EPDM diaphragm
  • Body material forged 316L stainless steel
  • Integral buttweld tube extensions or triclamp
Available Options

Special connections 
-   Welded extensions (tube or pipe) 
-   ISO, DIN and other international standards 
Special purpose valves 
-  Valves for COP applications 
-  Bevel gear operated valves (see type 643) 

Cluster valve assemblies, Zero Static T-valves, Duplex, Multiported, Tank Bottom/Side Sampling and custom multiported block valves upon request. 

AL-6XN®, Hastelloy® Titanium®, and other alloys available upon request.

Typical Applications
  • Pharmaceutical manufacturing
  • Bioprocessing
  • Cosmetic
  • Brewery Service
  • Food and Beverage
  • Semiconductor
  • High Purity Chemicals



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