Backflow preventers
Guided check valves
Butterfly valves
Control valves
Other productsNon return valves - EA221B
EA221B
housing, water distributions, protection of drinking water networks
female/female
Description :
- PRESSURE PFA/PS in bar θ 80°
- CASING : brass (DN2” in bronze)
- 2 drilled bosses 1/4”with POM (polyacetal) plugs + seal in EPDM
- GUIDING : PPO (polyacetal)
- CLOSING SYSTEM : POM (polyacetal) or PA
- SEAL : NBR (nitrile) lip-ring - SPRING : stainless steel
| DN | PFA | PS | Cat | Ref. | UV | |||
| " | water | L1 | L2 | G1 | G2 | |||
| 3/4 | 10 | 10 | 10 | 10 | 10 | 3.3 | 149B 2171 | 10 |
| 1 | 10 | 10 | 10 | 10 | 10 | 3.3 | 149B 2172 | 10 |
| 11/4 | 10 | 10 | 10 | x | 10 | 3.3 | 149B 2173 | 10 |
| 11/2 | 10 | 10 | 10 | x | 10 | 3.3 | 149B 2174 | 6 |
| 2 | 10 | 10 | 10 | x | 10 | 3.3 | 149B 2175 | 6 |
EA251DE
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