Non return valves - EA221B
- 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 | 4.3 | 149B2171 | 10 |
1 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B2172 | 10 |
11/4 | 10 | 10 | 10 | x | 10 | 4.3 | 149B2173 | 10 |
11/2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B2174 | 6 |
2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B2175 | 6 |