LESER HIGH EFFICIENCY SAFETY VALVES OF TYPE 811
VAN AN TOÀN LESER HIỆU SUẤT CAO 811
LESER HIGH EFFICIENCY SAFETY VALVES OF TYPE 811
Thông tin sản phẩm:
Van an toàn 811 được sử dụng trong môi trường làm việc nhiệt độ cao.
Van an toàn 811 lắp bích được ứng dụng trong nhiều ngành công nghiệp khác nhau: Hóa chất, Dầu khí, Hóa dầu, Công nghiệp tổng hợp….
Information product:
Solutions for high plant efficiency
Pilot operated safety valves
- Highest blow-off capacity of all series
- Tightness right up to set pressure
- Operating pressures up to 96% of the set pressure
- Back pressures up to 70% of the set pressure
- Backflow preventer integrated as a standard component
- Integrated Piping prevents damage and freezing
Supplementary Loading System
Equipment that enables the following safety valve characteristics:
- Tightness right up to set pressure
- Operating pressures up to 97% of the set pressure
- Low loss of medium due to short opening times
- Function test and valve adjustment possible during operation
- Suitable for all media temperatures
Industries:
- Chemical
- Oil & Gas
- Petrochemical
- Energy
- Technical Gases
- LNG and LPG
- General industries
Technical specifications Type 811
- Nominal Diameter at Inlet: DN 25 – DN 200 | 1″ – 8″
- Orifice: API Standard as well as Extra Orifice: 1 D 2 – 8 T 10 / 1 G 2 – 8 T+ 10
- Actual Orifice Diameter d₀: 11 – 190 mm | 0.433 – 7.087 in
- Actual Orifice Area A₀: 95 – 25446.9 mm² | 0.147 – 39.443 in²
- Pressure: 2.5 – 256 bar | 36 – 3705 psig
- Flange Rating Inlet: PN 10 – PN 250 | CL150 – CL1500
- Temperature (in accordance with DIN EN): -45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F)
- Temperatur (nach ASME): -45 to 200 °C (Special: -162 to 300 °C) | -49 to 392 °F (Special: -259.6 to 572 °F)
- Body Material: 1.0619, 1.4408 (Special: Hi Alloy) | SA 216 WCB, SA 351 CF8M, SA 352 LCB (Special: Hi Alloy)
- Valve Connection: Flange acc. to DIN EN 1092 or acc. to ASME B 16.5 or acc. to JIS 2220
- Load Type: Controlled by process medium
- Approvals: ASME Sec. VIII Div. 1, PED/ DIN EN ISO 4126-4, PED/ AD 2000-Merkblatt A2, AQSIQ, EAC, TSSA
- Classification societies: LR, RINA, DNV GL, BV
- Specials: Pilot action type: Pop Action | Open: 1% opening pressure tolerance | Closed: 3 – 7% (adjustable also beyond API standard from 3 up to 15%) closing pressure tolerance | Application: Gas
