SUBSEA NEEDLE VALVE

Subsea Needle Valves are designed to API6A and API17D. These valves are typically used to isolate downhole valve lines, gasket test lines, drain lines and vent connections. Perar provides a range of small-bore needle valves in bodies with flanged, threaded and welded end connections to suit all applications. The valves can be diver or ROV operable, based on Customer needs and sea depth installation. All needle valves have been qualified for 3000m equivalent external pressure.

BASIC CHARACTERISTICS

  • API6DSS, API6A, API17D design as requested
  • Metal to metal sealing
  • Non-elastomeric seals on valve spindle to avoid the risk of gradual degradation of the seals over their life
  • Forged material to comply with API6A PSL3
  • Anti blow out spindle suitable for operations at rating pressure

OTHER CHARACTERISTICS

5000 psi / 2500 lbs10000 psi15000 psi
½”StandardStandardStandard
3/4”StandardStandardStandard
1”StandardStandardStandard
1 ¼”StandardStandardStandard
1 ½ “StandardStandardStandard
FeaturesFeatures
Primary Metal SeatStandardLow torque operationStandard
Flanged inletAs RequestedAPI6A/API17D qualificationStandard
Diver or ROVAs RequestedElectrical ContinuityStandard
Anti blow-out spindleStandard
BODY, BONNET
  • Duplex 22% Cr
  • Superduplex 25% Cr
  • Inconel 625
TRIM (SEAT, GATE AND STEM)
  • Duplex 22% Cr
  • Superduplex 25% Cr
  • Inconel 625
  • Inconel 718
BODY SEALS / STEM SEALS
  • LIPSEAL– PTFE + ELGILOY
  • V – PACK – PTFE + PEEK + ELGILOY
  • OR – HNBR AED (for seawater sealing)
SEAT– METAL
BOLTING
  • ASTM A320-L7 / A193-B7 (XYLAN COATED, NICKEL/ZINC PLATED)
  • ASTM A320-L7M / A193-B7M (XYLAN COATED, NICKEL/ZINC PLATED)
  • ASTM A453-GR.660 (XYLAN COATED)
  • UNS S32760 (25% Cr)

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