Backflow preventers
Guided check valves
Butterfly valves
Control valves
Other productsMembrane check valves - 447
*
*(DN65-80)
447
inustrial services, compressed air, vacuum pimps, hydrocarbons
with PN10 flanges
Description :
- PRESSURE PFA/PS in bar θ 60°
- CASING : GJL cast iron epoxy coated
- Length according to EN 558-1 serie 48
- SEAT : DN40 to 80 : Stainless Steel DN100 to 200 : PA (polyamid) coated steel)
- SEAL : EPDM
- MEMBRANE : NR (natural rubber)
| DN | PFA | PS | Cat | Réf. | UV | ||||
| " | mm | water | L1 | L2 | G1 | G2 | |||
| 21/2 | 65* | 16 | 16 | 16 | 15 | 16 | 1 | 149B 2842 | 1 |
| 3 | 80* | 16 | 16 | 16 | 12 | 16 | 1 | 149B 2843 | 1 |
| 4 | 100 | 16 | 16 | 16 | 10 | 16 | 1 | 149B 2844 | 1 |
| 5 | 125 | 16 | 16 | 16 | 0.5 | 16 | 1 | 149B 2845 | 1 |
| 6 | 150 | 16 | 13 | 16 | 0.5 | 16 | 1 | 149B 2846 | 1 |
| 8 | 200 | 10 | 10 | 10 | 0.5 | 10 | 1 | 149B 2847 | 1 |
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