High EfficiencyType 811
Pilot-operated pressure relief valves type 811 - Pop Action - open abruptly. Technical specifications
- pilot-operated safety valve in accordance with API 526 - Pop Action
Pilot-operated pressure relief valves type 811 - Pop Action - open abruptly. Technical specifications
| Setting pressure(according to CE) | 2.5 - 256 bar | 36 - 3,705 psig |
| Setting pressure (according to ASME) | 2.5 - 256 bar | 36 - 3,705 psig |
| Temperature(according to CE) | -45 to 200 °C (individual housing: -162 to 300 °C) |
| Temperature(according to ASME) | -49 to 392 °F (individual case: -259.6 to 572 °F). |
| Dripping | orifice D - T+ |
| Connections DIN EN 1092 | DN 25 - DN 200 |
| ASME B16.5 connections | 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) |
| The narrowest flow diameter d₀ | 11 - 180 mm | 0.433 - 7.087 inches |
| The narrowest flow area A₀ | 95 - 25 446.9 mm² | 95 - 25 446.9 mm² |
| Seat gasket | Soft sealing , metallic, sealing plate |
