VAN MÀNG GEMU MODEL 687
GEMU 687 Industrial Diaphragm Valve
VAN MANG GEMU MODEL 687
Construction
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
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- 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
Specifications
| Type | Type 687 pneumatic, SS / Polymer actuator, SS transition piece for CIP/SIP service, SS Sanitary internals |
| 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 |
