SSN1 Substar PR2 Needle Valve Range

The Substar Single Isolate needle valve is PR2 qualified and hyperbarically tested. This Subsea valve range is designed for superb sealing for up to a depth of 10,000ft.

Bi Directional Flow
Servicing Kits
Severe Temp Rating
NACE Approved
Specifications & Ratings
The SSN1 range offers single block options designed to API specifications with threaded, welded or flanged connections. The in-house design team can accommodate most requirements
Valve Types
Single Isolate
Pressure Rating
Up to 10,000psi
Temperature Rating
-29°C up to 121°C
Bore Size
Connection Size
1/4" - 2"
  • NPT
  • BSPP
  • BSPT
  • Butt Weld
  • Socket Weld
  • Flanged
1/4" - 2"
Material Options
Materials include forged stainless steels, Duplex and Super Duplex. Other exotic materials available upon request.
Material Construction
  • Stainless Steel 316
  • Monel
  • Duplex
  • Super Duplex
  • 6Mo
  • Titanium
  • Hastalloy
  • Inconel
  • Incoloy
  • Carbon Steel
  • Other Materials can be made available upon request
Trim Material
  • All trim materials are made from corrosion resistant materials.
Bolting Materials
Standard bolting grades as required.
Material Traceability
Testing & Design Standards
All Alco Valves Group products are designed to comply with or exceed internationally recognised products. API 6A PR2 and ASME B16.34 approved tested.
Testing Standards
  • API 598
  • API 6A PR2
  • ISO 5208
Design Specifications
B16.34 and API 6A
Fire Safe Standards
Not Applicable
Relevant Approvals
Customer specifications can be adhered to.