
High EfficiencyType 811
The pilot-operated safety valves of the Type 811 - Pop Action - open abruptly. Technical data
- Pilot controlled Safety valves according to API 526 - Pop Action
The pilot-operated safety valves of the Type 811 - Pop Action - open abruptly. Technical data
Set pressure(according to CE) | 2,5 - 255,5 bar | 36,0 - 3705,0 psig |
Set pressure (according to ASME) | 2,5 - 255,5 bar | 36,0 - 3705,0 psig |
Temperature(according to CE) | -162 - 300 °C |
Temperature(according to ASME) | -162 - 300 °C |
Capacity | orifice D - T+ |
Connections DIN EN 1092 | DN 25 - DN 200 |
Connections ASME B16.5 | NPS 1 to NPS 8 |
Flange class Inlet DIN EN 1092 | PN 10 - PN 250 |
Flange class Inlet ASME B16.5 | Class 150 - Class 1500 |
Body material |
1.0619, 1.4408, 1.7357 | SA 216 WCB, SA 351 CF8M, SA 217 WC6, SA 352 LCB, SA 351 CF3M, SA 995 Gr 4A CD3MN (Duplex), SA 494 M35-1 (Monel), SA 494 CX2MW (Hastelloy) |
Narrowest flow diameter d₀ | 11 - 180 mm | 0.433 - 7.087 in |
Narrowest flow area A₀ | 95 - 25,446.9 mm² | 95 - 25,446.9 mm² |
Seat gasket | Soft sealing, Metallic, Sealing plate |