Main Features:
- Design pressure: up to 18.9 bar (275,5 psi)
- Design temperature: -20 C to +60 C (-14 to + 140 F)
- Ambient temperature: -20 C to + 60 C (-4 to + 140 F)
- Range of intervention for the pressure increase Who: 0,01 to 5 bar ( 4″w.c. to 72,5 psi)Range of intervention for the pressure decrease Whu: 0,005 to 2,7 bar ( 2″w.c. to 36,25 psi) (depending on installed pressure controller)
- Accuracy class AG: 5% to 10% for over pressure, 10% to 20% for under pressure
- Available size DN: 1” – 1″1/4 – 1″1/2 – 2” – 2″1/2 – 3” – 4”- 6″- 8″
- Flanging: class ANSI 150 – RF or FF according to ANSI16.5 and PN16 according to ISO 7005
Materials:
| Body | Cast steel ASTM A216 gr. WCB for all sizes – |
| Spheroidal ductile iron DN £ 6″ | |
| Valve seat | X12CrS13 UNI 6901-AISI 416 for DN 1″ to 3″ |
| Carbon steel chromium-plated for DN 4″ to 8″ | |
| Plug | X12CrS13 UNI 6900-71-AISI 416 for DN 1″ to 3″ |
| Carbon steel chromium-plated for DN 4″ to 8″ | |
| Plug gasket | Nitrile rubber vulcanized on metal |
| Seals | Nitrile rubber seal |
| Diaphragm casings | Die cast aluminium GD-AI SI 13 Fe UNI 5079-74 |
| Press. controller diaphragm | Nitile rubber vulcanized |
| Compression fitting | According to DIN 2353 in zinc-plated carbon steel |
