Membrane check valves – 407B boosting units, vacuum pumps, compressed air
Detail Product :
PRESSURE PFA/PS in bar θ 60°
CASING : GJL cast iron epoxy coated
447B : length according to EN558-I serie 48
2 threaded bosses 1/2” with brass plug
SEAT : DN40 to 80 : Stainless Steel DN100 to 200 : Polyamid coated steel
SEALS : EPDM – MEMBRANE : NR (natural rubber)
| DN | PFA | PS | Cat | Réf. | UV | ||||
| “ | mm | water | L1 | L2 | G1 | G2 | |||
| 11/2 | 40* | 16 | 16 | 16 | 16 | 16 | 1 | 149B 1166 | 1 |
| 2 | 50* | 16 | 16 | 16 | 16 | 16 | 1 | 149B 1167 | 1 |
| 21/4 | 60* | 16 | 16 | 16 | 16 | 16 | 1 | 149B 2163 | 1 |
| 21/2 | 65* | 16 | 16 | 16 | 15 | 16 | 1 | 149B 1168 | 1 |
| 3 | 80* | 16 | 16 | 16 | 12 | 16 | 1 | 149B 1169 | 1 |
| 4 | 100 | 16 | 16 | 16 | 10 | 16 | 1 | 149B 1170 | 1 |
| 5 | 125 | 16 | 16 | 16 | 0.5 | 16 | 1 | 149B 1171 | 1 |
| 6 | 150 | 16 | 13 | 16 | 0.5 | 16 | 1 | 149B 1172 | 1 |
| 8 | 200 | 10 | 10 | 10 | 0.5 | 10 | 1 | 149B 1173 | 1 |
