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Series 641/22
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SERIES 641/22 GS RECOIL HIGH PERFORMANCE NON SLAM CHECK VALVE, PN16
The Series 641/22 GS is a fast acting, multi-door, recoil check valve. Designed for use in systems where high velocities and fast returns of flow are evident. Suitable for use with potable water, raw water and sewage, to a maximum temperature of +70°C.
Features
• Metal seated valve with gunmetal body seats and gunmetal faced doors.
• Non slam operation.
• No additional damping required.
• By-pass bosses as standard.
• Epoxy coating.
Options
• PN25 version.
• By-pass.
• Limit/proximity sensors.
• Alternative trim.
BODY/COVER/DOOR Ductile Iron - BS EN 1563
HINGE PIN
Stainless Steel - BS EN 10088
Grade 1.4305
FASTENERS Stainless Steel Grade A4
SEAT Gunmetal - BS EN 1982:1999 CC491K
COATING (internally and externally) Epoxy (250 microns) - WRAS Approved to BS 6920
FLANGES BS EN 1092-2, PN16
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British Standard (Gulf Specification)Multiple Door Recoil Check Valve
| DN (mm)
| PN (bar)
| Weight (kg)
| Stock Group
|
| 641-0600-22101000 | 600
| 16
| 1950
| C
|
| 641-0700-22101000 | 700 | 16 | 2500
| C
|
| 641-0800-22101000 | 800 | 16
| 2700
| C
|
| 641-0900-22101000 | 900 | 16 | 3600
| C
|
| 641-1000-22101000 | 1000 | 16
| 4500
| C
|
| 641-1200-22101000 | 1200 | 16 | 6800
| C |