Series 79 API 520/527 Screw Type

Series 79 API 520/527

Design Features:
  • End Connection: Screwed (BSP or NPT)
  • Adjusting Ring: Facilitates precise pressure adjustments
  • Inlet Connection: Screwed male or female
  • Nozzle Design: Full Nozzle design suitable for Screwed or Flanged connections
  • Flange Standards: ANSI B 16.5, ISO PN Flanges (On Request)
  • Application Suitability: Designed for Thermal Relief applications
  • Nozzle & Disc Material: Stellited for enhanced durability
  • Disc Options: Metal to Metal OR Metal to Soft Sea
  • Construction:
  • Body Materials: Carbon Steel, Stainless Steel, Cr Mo Steel, Low-Temperature Steel, Nickel Copper Alloy, Alloy 20
  • Accessories:
  • Balanced Bellows.
  • Test Gag.
  • Lifting Lever.
  • Steam Tracing Jacket.
  • Full Lift, Full Nozzle:
  • Suitable for Gas or Liquid Cryogenic Service
  • Sizes available from 1/2” to 1 ½”.
  • Flanged ANSI 150 to 2500.
  • Set Pressure up to 420 BAR
  • Part List (Selected Items):
  • Body, Bonnet, Cap, Adjusting Ring Pin, Spindle, Nozzle Disc, Disc Holder/Piston, Adjusting Ring, Ball, Guide, Spring, Spring Washer, Adj. Screw, Lock Nut, Set Screw Gasket, Guide Gasket, Cap Gasket, Cap Plug Gasket, Inlet Flange, CAP Plug, Test Gag ,Nozzle Gasket.
  • Part List Materials:

    • Materials vary based on temperature range, including options for low-temperature and corrosive services.

    Sizes and Dimensions (Sample):

    • Orifice Flanges ANSI RF.
    • Max Working Pressure varies by size and class.
    • Dimensions include A, B, E, H.
    • Approximate Weight varies by size.

    Applications:

    • Suitable for a wide range of temperatures and pressures.
    • Versatile applications in industries such as oil and gas, chemical processing, etc.

    Additional Information:

    • Considerations for Cold Differential Test Pressure (CDTP).
    • Spring materials and material temperature range details.
    • Locking arrangement
    • Parts materials specified for different temperature ranges.
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    Series 79 API 520/527 Screw Type

    Series 79 API 520/527

    Design Features:
  • End Connection: Screwed (BSP or NPT)
  • Adjusting Ring: Facilitates precise pressure adjustments
  • Inlet Connection: Screwed male or female
  • Nozzle Design: Full Nozzle design suitable for Screwed or Flanged connections
  • Flange Standards: ANSI B 16.5, ISO PN Flanges (On Request)
  • Application Suitability: Designed for Thermal Relief applications
  • Nozzle & Disc Material: Stellited for enhanced durability
  • Disc Options: Metal to Metal OR Metal to Soft Sea
  • Construction:
  • Body Materials: Carbon Steel, Stainless Steel, Cr Mo Steel, Low-Temperature Steel, Nickel Copper Alloy, Alloy 20
  • Accessories:
  • Balanced Bellows.
  • Test Gag.
  • Lifting Lever.
  • Steam Tracing Jacket.
  • Full Lift, Full Nozzle:
  • Suitable for Gas or Liquid Cryogenic Service
  • Sizes available from 1/2” to 1 ½”.
  • Flanged ANSI 150 to 2500.
  • Set Pressure up to 420 BAR
  • Part List (Selected Items):
  • Body, Bonnet, Cap, Adjusting Ring Pin, Spindle, Nozzle Disc, Disc Holder/Piston, Adjusting Ring, Ball, Guide, Spring, Spring Washer, Adj. Screw, Lock Nut, Set Screw Gasket, Guide Gasket, Cap Gasket, Cap Plug Gasket, Inlet Flange, CAP Plug, Test Gag ,Nozzle Gasket.
  • Part List Materials:

    • Materials vary based on temperature range, including options for low-temperature and corrosive services.

    Sizes and Dimensions (Sample):

    • Orifice Flanges ANSI RF.
    • Max Working Pressure varies by size and class.
    • Dimensions include A, B, E, H.
    • Approximate Weight varies by size.

    Applications:

    • Suitable for a wide range of temperatures and pressures.
    • Versatile applications in industries such as oil and gas, chemical processing, etc.

    Additional Information:

    • Considerations for Cold Differential Test Pressure (CDTP).
    • Spring materials and material temperature range details.
    • Locking arrangement
    • Parts materials specified for different temperature ranges.