Membrane check valves - 447B



- 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 | |||
| 21/2 | 65 | 16 | 16 | 16 | 15 | 16 | 1 | 149B2842B | 1 | 
| 3 | 80 | 16 | 16 | 16 | 12 | 16 | 1 | 149B2843B | 1 | 
| 4 | 100 | 16 | 16 | 16 | 10 | 16 | 1 | 149B2844B | 1 | 
| 5 | 125 | 16 | 16 | 16 | 0.5 | 16 | 1 | 149B2845B | 1 | 
| 6 | 150 | 16 | 13 | 16 | 0.5 | 16 | 1 | 149B2846B | 1 | 
| 8 | 200 | 10 | 10 | 10 | 0.5 | 10 | 1 | 149B2847B | 1 | 

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 447
 447




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