LESER HIGH EFFICIENCY SAFETY VALVES OF TYPE 821

VAN AN TOÀN LESER HIỆU SUẤT CAO 821

LESER HIGH EFFICIENCY SAFETY VALVES OF TYPE 821

LESER HIGH EFFICIENCY SAFETY VALVES OF TYPE 821

Thông tin sản phẩm:

Van an toàn hiệu suất cao 821 thích hợp mọi nhiệt độ làm việc, tích hợp với đường ống giúp hạn chế thiệt hại.

Van an toàn 821 nối bích có công suất cao, phục vụ cho nhiều lĩnh vực như: Hóa dầu, Dầu khí, Năng lượng nhiệt,…, 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 – 180 mm | 0.433 – 7.087 in
  • Actual Orifice Area A₀: 95 – 25446.9 mm² | 0.147 – 39.443 in²
  • Pressure: 2.5 – 426 bar | 36 – 6170 psig
  • Flange Rating Inlet: PN 10 – PN 400 | 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: Modulate Action | Open: max. 10% opening pressure tolerance | Closed: max. 7% closing pressure tolerance | Application: Steam, gasses and liquids

Tài liệu tham khảo: VAN AN TOÀN LESER HIỆU SUẤT CAO 821

  • VAN AN TOÀN LESER 821

  • VAN AN TOÀN LESER HIGH EFFICIENCY

    VAN AN TOÀN LESER HIGH EFFICIENCY

    VAN AN TOÀN LESER HIGH EFFICIENCY

  • LESER HIGH EFFICIENCY SAFETY VALVE

    LESER HIGH EFFICIENCY SAFETY VALVE

    LESER HIGH EFFICIENCY SAFETY VALVE

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