double block & bleed twin pressure balanced plug valve Brdr Christensen lubricated plug valve type 55

TYPE 55 - DBB TWIN PRESSURE BALANCED PLUG VALVE

  • Metal-to-metal sealing
  • Lubricated valve
  • Perform both Double-Block and Bleed (DBB) and Double-Isolation and Bleed (DIB) capabilities
  • Patented bore design to prevent cavity overpressure (CCR System) or Patented Cavity Relief System (CCR System)
  • Compact design and lightweight product
  • Blowout-proof stem
  • Three independent stem seals to meet strict fire safety standards
  • Pressure Balanced Design
  • True double isolation with two plugs in line
  • Easy replacement capabilities
  • Offers limitless installation positions
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Additional features

  • API 6D
  • API 6A
  • API 598
  • API 599
  • API 607
  • ASME B 15.6
  • ASME B 16.10
  • ASME B 16.5
  • ASME B 16.11
  • ASME B 1.20.1
  • ASME B 16.25
  • ASME B 31.4
  • ASME B 31.8
  • ASME B 16.34
  • BS 5353
  • BS 1560
  • BS 4504
  • BS 2080
  • BS 6755
  • BS 21
  • ISO 14313
  • ISO 5211
  • NACE MR01-75

Note: AE= API 6A or AP=API 6D, API 599, etc.

Type 55 – Taper Twin Plug Valves – Straightway Pattern and Rectangular Port

Code. 55-AE/AP 701:

  • ASTM A216 Gr. WCB Body, EN 10025-2 Cover, Cast Iron ASTM A126 Class B or Steel Plug
  • ASTM A216 Gr. WCB Body, S355J2 Cover, Cast Iron ASTM A126 Class B or Steel Plug

Type 55 – Taper Twin Plug Valves – Straightway Regular Pattern and Round Port

Code. 55-AE/AP 711:

  • ASTM A216 Gr. WCB Body, EN 10025-2 Cover, Cast Iron ASTM A126 Class B or Steel Plug
  • STM A216 Gr. WCB Body, S355J2 Cover, Cast Iron ASTM A126 Class B or Steel Plug

* Other standard body and cover materials: Cast Ductile Iron, ASTM A352 Gr. LCC, ASTM A351 Gr. CF8M, and ASTM A995 Gr. 4A.

Notes:
AE= API 6A or AP=API 6D, API 599, etc.
(X) = Body Material (2=Ductile Iron, 4=Cast Iron, 7=Cast Steel, 8=Stainless Steel, 9=Special)

Type 55 – Taper Twin Plug Valves – Straightway Pattern and Rectangular Port

Code. 55-AE/AP (X)01:

  • ANSI/ASME Class 150/300 Flanged Ends (1” to 20”)
  • DIN PN 20, 50 (DN 25 to DN 500)
  • ANSI/ASME Class 150/300 Flanged Ends (6” to 20”)
  • DIN PN 20, 50 (DN 150 to DN 500)
  • ANSI/ASME Class 600 Flanged Ends (1” to 24”)
  • DIN PN 100 (DN 25 to DN 600)
  • ANSI/ASME Class 600 Flanged Ends (6” to 24”)
  • DIN PN 100 (DN 150 to DN 600)
  • ANSI/ASME Class 900/1500 Flanged Ends (1” to 18”)
  • DIN PN 150, 250 (DN 25 to DN 450)
  • ANSI/ASME Class 900/1500 Flanged Ends (6” to 18”)
  • DIN PN 150, 250 (DN 150 to DN 450)
  • ANSI/ASME Class 2500 Flanged Ends (2” to 16”)
  • DIN PN 420 (DN 50 to DN 400)
  • ANSI/ASME Class 2500 Flanged Ends (4” to 16”)
  • DIN PN 420 (DN 100 to DN 400)

Type 55 – Taper Twin Plug Valves – Straightway Pattern and Round Port

Code. 55-AE/AP (X)11:

  • ANSI/ASME Class 150/300 Flanged Ends (1” to 20”)
  • DIN PN 20, 50 (DN 25 to DN 500)
  • ANSI/ASME Class 150/300 Flanged Ends (6” to 20”)
  • DIN PN 20, 50 (DN 150 to DN 500)
  • ANSI/ASME Class 600 Flanged Ends (1” to 24”)
  • DIN PN 100 (DN 25 to DN 600)
  • ANSI/ASME Class 600 Flanged Ends (6” to 24”)
  • DIN PN 100 (DN 150 to DN 600)
  • ANSI/ASME Class 900/1500 Flanged Ends (1” to 18”)
  • DIN PN 150, 250 (DN 25 to DN 450)
  • ANSI/ASME Class 900/1500 Flanged Ends (6” to 18”)
  • DIN PN 150, 250 (DN 150 to DN 450)
  • ANSI/ASME Class 2500 Flanged Ends (2” to 16”)
  • DIN PN 420 (DN 50 to DN 400)
  • ANSI/ASME Class 2500 Flanged Ends (4” to 16”)
  • DIN PN 420 (DN 100 to DN 400)

RELATED PRODUCTS

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TYPE 9 -TOP ENTRY PLUG VALVE

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