Backflow preventers
Guided check valves
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Gamme Watts
Spare parts kitsNon return valves - EA251
EA251
housing, water distribution, protection of drinking water networks
Female/Male
Description :
- PRESSURE PFA/PS in bar T°C 80°
- CASING : DZR brass (brass with persistent zinc)
- Equipped with nut connections and compression rings for copper tube
- CLOSING SYSTEM + GUIDE : POM (polyacetal) or PPO
- SPRING : stainless steel
- SEAL : EPDMtata(nitrile) lip-ring
| DN | PFA | PS | Cat | Ref. | UV | ||||
| C | " | water | L1 | L2 | G1 | G2 | |||
| 15 | 3/4 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B2111 | 10 |
| 20 | 1 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B2112 | 10 |
| 25 | 1 1/4 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B2113 | 10 |
| 30 | 1 1/2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B2114 | 6 |
| 40 | 2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B2115 | 6 |
211BL
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