Check-valve W.H. elbow
×
![]()
Check-valve W.H. elbow
Check-valve W.H. elbow
Description
The non-return valve W.H Elbow is certified to the NF antipollution norms. This non-return valve is designed for the protection of drinking water network against polluted backflow which has no recognized toxic or microbiological risks to human health, within the limits defined by the health authority.
- Minimal head loss, silence and robustness
- Does not generate hammering
- Double axial guiding with return spring
- Excellent sealing at high as well as at low pressure ensured by a specially designed lip ring-seal
- DN15, 4 brass plugs 1/8" - DN20, 4 threaded bosses 1/4" PPA plugs
Operating temperature -10°C to 65°C in continuous, 1h/day at 90°C
Connection Female swivel nut/Male cylindrical gas thread (BSP)
Mediums Drinking water, other fluids consult us
Approval: NF EN 13959, complies with EN 1717.
Technical Features
Part no.
| for water meter | valve thread | part number | packaging |
| size 15 - F/M 3/4” | (20x27) | 2224160 | 10 |
| size 20 - F/M 1” | (26x34) | 2224161 | 25 |
