VAN MÀNG GEMU MODEL 620
GEMU 620 Industrial Diaphragm Valve
Construction
The GEMU 620 pneumatically operated 2/2-way diaphragm valve has a low maintenance membrane actuator which can be controlled by inert gaseous media.
Features
- Suitable for inert and corrosive liquid and gaseous media
- Insensitive to particulate media
- Valve body and diaphragm available in various materials and designs
Advantages
- Optional flow direction, will seal in either flow direction up to full operating pressure
- Good flow capability
- Accessories:
- Stroke limiter
- Optical position indicator
Specifications
Type | Type 620 manual, Cast Iron Actuator with SS Distance Piece |
Nominal Size | 10″ 12″ 2 1/2″ 3″ 4″ 6″ 8″ |
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 |
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 Viton Diaphragm |
Control Function | Pneumatic Air to Air Pneumatic Normally Closed Pneumatic Normally Open |
Actuator Size | 3A2 3A3 3AD 3AF 4A1 4A2 4AD 4AF 5A2 7A3 7A4 7A5 7AD 7AF |
Max. Ambient Temperature | 60 ºC |
Working Medium: Corrosive, inert, gaseous and liquid media which have no negative impact on the physical and chemical properties of the body and diaphragm material, Max. Perm. Temperature of Working Medium 150 ºC
Control Medium: Max. Perm. Temperature of Control Medium, 40 ºC
Item # | Nominal Size | Connection | Diaphragm Material | Control Function | Actuator Size |
---|---|---|---|---|---|
620065D3818-113A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Hypalon Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D38181413A2 | 2 1/2″ | 150# Raised Face Flange Smooth | EPDM Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-213A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Buna-N Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D38182513A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Natural Rubber Silica Free Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-413A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Viton Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-413A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Viton Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-513A2 | 2 1/2″ | 150# Raised Face Flange Smooth | PTFE/EPDM Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D38185213A2 | 2 1/2″ | 150# Raised Face Flange Smooth | PTFE/EPDM Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-613A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Butyl Diaphragm | Pneumatic Normally Closed | 3A2 |
620065D3818-813A2 | 2 1/2″ | 150# Raised Face Flange Smooth | Neoprene Diaphragm | Pneumatic Normally Closed | 3A2 |