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Construction

The GEMU 695 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator which can be controlled by inert gaseous media. Normally Closed, Normally Open and Double Acting control functions are available.

Features
  • Suitable for inert and corrosive liquid and gaseous media
  • Insensitive to particulate media
  • Valve body and diaphragm available in various materials and designs
  • Surface finishes down to 0.25 µm, electropolished
Advantages
  • Optional flow direction, will seal in either flow direction up to full operating pressure
  • Optional mounting position
  • Weight-saving design
  • Optional accessories:
    • Stroke limiter
    • Optical position indicator
    • Manual override
    • Pilot valve with manual override
    • Electrical position indicator
Unit of Measure

Specifications

Type Type 695 pneumatic, Polymer actuator, Glass-filled PP
Nominal Size 1 1/2" 1" 1/2" 2" 3" 3/4" 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 Pneumatic Air to Air Pneumatic Normally Closed Pneumatic Normally Open
Actuator Size 1 2 3 4 5
Max. Ambient Temperature 60 ºC
Max. Permissible Operating Temperature 40 ºC

View items

Item #

Nominal Size

Connection

Diaphragm Material

Control Function

Actuator Size

695015D3137-111 N/A 1/2" N/A Threaded NPT N/A Hypalon Diaphragm N/A Pneumatic Normally Closed N/A 1
695015D3137-121 N/A 1/2" N/A Threaded NPT N/A Hypalon Diaphragm N/A Pneumatic Normally Open N/A 1
695015D3137-131 N/A 1/2" N/A Threaded NPT N/A Hypalon Diaphragm N/A Pneumatic Air to Air N/A 1
695015D31371411 N/A 1/2" N/A Threaded NPT N/A EPDM Diaphragm N/A Pneumatic Normally Closed N/A 1
695015D31371421 N/A 1/2" N/A Threaded NPT N/A EPDM Diaphragm N/A Pneumatic Normally Open N/A 1
695015D31371431 N/A 1/2" N/A Threaded NPT N/A EPDM Diaphragm N/A Pneumatic Air to Air N/A 1
695015D3137-211 N/A 1/2" N/A Threaded NPT N/A Buna-N Diaphragm N/A Pneumatic Normally Closed N/A 1
695015D3137-221 N/A 1/2" N/A Threaded NPT N/A Buna-N Diaphragm N/A Pneumatic Normally Open N/A 1
695015D3137-231 N/A 1/2" N/A Threaded NPT N/A Buna-N Diaphragm N/A Pneumatic Air to Air N/A 1
695015D31372511 N/A 1/2" N/A Threaded NPT N/A Natural Rubber Silica Free Diaphragm N/A Pneumatic Normally Closed N/A 1
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