Backflow preventers
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Gamme WattsGuided check valves - 290
290
housing, water distributions, pumping
female/female
Description :
- PRESSURE PFA/PS in bar θ 80°
- CASING : brass
- CLOSING SYSTEM : DN1/4 to 1/2 PA (Polyamid), DN3/4 to 2” POM (Polyacetal)
- SEALS : EPDM O'ring
- SPRING : stainless steel
| DN | PFA | PS | Cat | Ref. | UV | |||
| " | water | L1 | L2 | G1 | G2 | |||
| 1/4 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B 3118 | 10 |
| 3/8 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B 3119 | 10 |
| 1/2 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B 3120 | 10 |
| 3/4 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B 3121 | 10 |
| 1 | 10 | 10 | 10 | 10 | 10 | 4.3 | 149B 3122 | 10 |
| 11/4 | 10 | 10 | 10 | x | 10 | 4.3 | 149B 3123 | 10 |
| 11/2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B 3124 | 6 |
| 2 | 10 | 10 | 10 | x | 10 | 4.3 | 149B 3125 | 6 |
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