GEMU Model 687 Industrial Diaphragm Valve

 

The GEMU 687 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator. Normally Closed, Normally Open and Double Acting control functions are available.

Features:

  • Suitable for inert and corrosive liquid and gaseous media
  • Chemical resistance of actuator
  • Stainless steel body with CIP/SIP cleaning and sterilizing capabilities
  • Insensitive to particulate media
  • Valve body and diaphragm available in various materials and designs
  • Surface finishes down to 0.25 µm, electropolished
  • The modular actuator system permits a variety of options to be used such as tank bottom valves, T valves, sampling valves, multi-port valves and tandem welded configurations
  • Optional flow direction, will seal in either flow direction up to full operating pressure
  • Optional mounting position
  • Optional accessories:
    • Stroke limiter
    • Optical position indicator
    • Manual override
    • Pilot valve with manual override
    • Electrical position indicator

AVAILABLE OPTIONS:

Nominal Sizes: 1/2″, 3/4″, 1″, 1-1/2″, 2″, 3″, 4″

Connection Type: 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, Butyl, EPDM, Hypalon, Natural Rubber Silica Free, Neoprene, PTFE/EPDM, PTFE/Viton, TFM/EPDM, TFM/Viton, Viton

Control Function: Pneumatic Air to Air, Pneumatic Normally Closed, Pneumatic Normally Open

Actuator Size: 1, 2, 3, 4, 5

 

SPARE PARTS AVAILABLE FOR THIS PRODUCT – CONTACT US FOR ASSISTANCE: 1-877-705-9864

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