(SSN3) Alco Valves Substar Double Block And Bleed Subsea Needle Valve



The ALCO Substar needle valve utilises a metal to metal, anti-rotating tip for superior shut off that can be configured with various end connections in various materials. The range has been successfully PR2 qualified to API specification 6A, 20th Edition / ISO 10423:2009 and in addition has been endurance tested to TOTAL GS-EPSPS-005, completing over 1200 cycles. The SSN2 is a single block and bleed configuration for instrumentation.

ALCO Valves Substar Double Block and Bleed Subsea Needle Valve Features

  • Pressure Rating up to 10,000psi
  • Temperature Rating -29°C up to 121°C
  • Connections Sizes: 1/4" - 2"
  • Metal to Metal Sealing
  • Connection options include Flanged, threaded and welded
  • Suitable for underwater service up to 3000m (10,000ft)
  • Diver operated only
  • Coded handle colours and shapes for ease of operation
  • 10mm or 12mm bore sizes
  • Material Construction - Stainless Steel 316, Monel, Duplex, Super Duplex, 6Mo, Titanium, Hastalloy, Inconel, Incoloy, Carbon Steel Other materials can be made available upon request.
  • PR2 performance verification testing to API 6A
  • Schedule pipe or customer defined stub tubes
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