Backflow preventers
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Gamme Watts
Spare parts kitsMembrane check valves - 417
417
boosting units, vacuum pumps, compressed air...
with PN25 flanges
Description :
- PRESSURE PFA/PS in bar θ 60°
- CASING : GJL cast iron
- SEAT : DN40 to 80 : Stainless Steel DN100 to 200 : Polyamid coated steel
- SEALS and MEMBRANE : EPDM
| DN | PFA | PS | Cat | Réf. | UV | ||||
| " | mm | water | L1 | L2 | G1 | G2 | |||
| 11/2 | 40 | 25 | 25 | 25 | 25 | 25 | 1 | 149B2054 | 1 |
| 2 | 50 | 25 | 25 | 25 | 20 | 25 | 1 | 149B2055 | 1 |
| 21/2 | 65 | 25 | 25 | 25 | 15 | 25 | 1 | 149B2056 | 1 |
| 3 | 80 | 25 | 25 | 25 | 12 | 25 | 1 | 149B2058 | 1 |
| 4 | 100 | 25 | 20 | 25 | 10 | 25 | 1 | 149B2060 | 1 |
| 5 | 125 | 25 | 16 | 25 | 0.5 | 25 | 1 | 149B2061 | 1 |
| 6 | 150 | 25 | 13 | 25 | 0.5 | 23 | 1 | 149B2062 | 1 |
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