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Construction

The GEMU 601, 612 and 673 manually operated diaphragm valves have a temperature resistant plastic handwheel. Bonnet and internals are made all of stainless steel. An integral optical position indicator and a seal adjuster to increase service life of the diaphragm are included as standard. GEMU 602 has a stainless steel handwheel and an integral optical position indicator.

Features
  • Suitable for inert and corrosive liquid and gaseous media
  • Chemical resistance of bonnet
  • CIP/SIP cleaning and sterilizing capabilities
  • Autoclave capability
  • Insensitive to particulate media
  • Valve body and diaphragm available in various materials and designs
  • Compact design (ideal when space is at a premium)
  • Stepless minimum flow regulation due to seal adjuster
Advantages
  • Hermetic separation between medium and actuator
  • Optional flow direction, will seal in either flow direction up to full operating pressure
  • Optional mounting position
  • Long service life of the diaphragm due to patented seal adjuster (US-Pat. 5 377 956)
  • Valve body also available in multi-port designs (M-block and T-body) or as tank bottom valve body
Unit of Measure

Specifications

Type Type 673 manual, SS Bonnet, Polymer h/w, Autoclavable, Internal adjustable travel stop, SS Sanitary internals, Visual indicator
Nominal Size 1 1/2" 1" 1/2" 2" 3/4"
Connection 125# Flat Face Flange 150# Flat Face Flange 150# Raised Face Flange Serated 150# Raised Face Flange Smooth Flanged ANSI class 125/150 RF, length EN 558-2, Series 1 ISO 5752, Basic Series 1 Schedule 40 Socket Weld Threaded NPT
Valve Body Material 316 Stainless Steel with PFA Lined Body Cast Iron - ASTM A-126 Class B Body Ductile Iron with Butyl Lined Body Ductile Iron with Hard Rubber Lined Body Ductile Iron with Hypalon Lined Body Ductile Iron with Neoprene Lined Body Ductile Iron with PFA Lined Body Ductile Iron with Polypropylene Lined Body Ductile Iron with PVDF Lined Body Ductile Iron with Silica Free Soft Rubber Lined Body Ductile Iron with Tefzel Lined Body Investment Cast 316 Stainless Steel Body
Diaphragm Material Buna-N Diaphragm Butyl Diaphragm EPDM Diaphragm Hypalon Diaphragm Natural Rubber Silica Free Diaphragm Neoprene Diaphragm PTFE/EPDM Diaphragm PTFE/VitonDiaphragm TFM/EPDM Diaphragm TFM/VitonDiaphragm Viton Diaphragm
Control Function Manually Operated
Max. Perm. Temperature of Control Medium 104 ºF
Max. Permissible Working Temperature 302 ºF

View items

Item #

Nominal Size

Connection

Diaphragm Material

Control Function

673015D3137-10- N/A 1/2" N/A Threaded NPT N/A Hypalon Diaphragm N/A Manually Operated
673015D3137140- N/A 1/2" N/A Threaded NPT N/A EPDM Diaphragm N/A Manually Operated
673015D3137-20- N/A 1/2" N/A Threaded NPT N/A Buna-N Diaphragm N/A Manually Operated
673015D3137250- N/A 1/2" N/A Threaded NPT N/A Natural Rubber Silica Free Diaphragm N/A Manually Operated
673015D3137-40- N/A 1/2" N/A Threaded NPT N/A Viton Diaphragm N/A Manually Operated
673015D3137-40- N/A 1/2" N/A Threaded NPT N/A Viton Diaphragm N/A Manually Operated
673015D3137-50- N/A 1/2" N/A Threaded NPT N/A PTFE/EPDM Diaphragm N/A Manually Operated
673015D3137-60- N/A 1/2" N/A Threaded NPT N/A Butyl Diaphragm N/A Manually Operated
673015D3137-80- N/A 1/2" N/A Threaded NPT N/A Neoprene Diaphragm N/A Manually Operated
673015D3137V50- N/A 1/2" N/A Threaded NPT N/A PTFE/VitonDiaphragm N/A Manually Operated
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