Venn Co.
Venn CS-2SSN type double check valve (for water)
Manufacturer: Venn Co., Ltd.
Model: CS-2SSN
Features
- It is a spring system that closes the valve before backflow when there is back pressure or water outage, so it is highly safe and prevents water hammer.
- Maintenance can easily perform without removing the check valve from the piping.
- By providing an inspection hole, you can easily check the function.
- Since the pipe end core can attach, the generation of red water is prevented.
Specifications
| Product code | CS2SSN-F |
|---|---|
| Valve type | Check valve |
| type | Double check valve |
| Nominal diameter | 20-50 (3/4-2) |
| Applicable fluid | Tap water |
| Fluid temperature | 5 to 60 ° C (5 to 40 ° C when using a tube end core) |
| Applicable pressure | 1.0MPa or less |
| Backflow prevention pressure | (1/2 x D + 30 mm) water level ~ 1.5 MPa D: Piping outer diameter mm |
| Valve body operability | 40kPa or less |
| Pressure loss | 40 kPa or less at the reference flow rate |
| Reference flow rate Flow rate | Nominal diameter 20: 38L / min Nominal diameter 25: 60L / min Nominal diameter 32: 85L / min Nominal diameter 40: 150L / min Nominal diameter 50: 240L / min |
| End connection | JIS Rc screw |
| Mounting posture | Free (applies to the flow direction from bottom to top in the case of vertical piping) |
| Material body | CAC406 |
| Material parts | Synthetic resin CAC406 |
| Material disc | Chlorine water resistant EPDM |
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