Our Products.

  1. General Product Material Spec
  2. Pipe
  3. High Pressure Manifold Fittings
  4. Wrought Steel Fittings
  5. API 6A Type 6B & 6BX Flanges
  6. ANSI B16.5 Flanges
  7. API 6A Crosses and Tees
  8. Hammer Lug Unions
  9. API 16A Hubs and Clamps
  10. Pipeline Hubs and Clamps
  11. API 6A Gate Valves
  12. API 5000PSI Mud Gate Valves
  13. API 7500PSI Mud Gate Valves
  14. API 6A Plug Valves
  15. API 6A Choke Valves
  16. API 6a Drilling Manifolds
  17. High Pressure Hoses
  18. Low Pressure Hoses

API 6A Choke Valves

Choke Valves are available in manual or remote operation for use in the following pressure ratings and services:

Pressure & Temperature Ratings
Max Working Pressure 2,000 PSI 3,000 PSI 5,000 PSI 10,000 PSI 15,000 PSI 20,000 PSI
Test Pressure 3,000 PSI 4,500 PSI 7,500 PSI 15,000 PSI 22,500 PSI 30,000 PSI
Production Spec Levels 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4 1, 2, 3 & 4
Product Rating 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2 1 & 2
API Temperature Rating K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C) K (-60 Deg C)
To To To To To To
Y (+345 Deg C) Y (+345 Deg C) Y (+345 Deg C) Y (+345 Deg C) Y (+345 Deg C) Y (+345 Deg C)
Material Requirements
Material Class Body, Bonnet, End and outlet Connections Pressure Controlling Parts
AA - General Service Carbon or Low Alloy Steel Carbon or Low Alloy Steel
BB - General Service Carbon or Low Alloy Steel Stainless Steel
CC - General Service Stainless Steel Stainless Steel
DD - Sour Service** Carbon or Low Alloy Steel* Carbon or Low Alloy Steel*
EE - Sour Service** Carbon or Low Alloy Steel* Stainless Steel*
FF - Sour Service** Stainless Steel* Stainless Steel*
HH - Sour Service** Corrosion Resistant Alloys* Corrosion Resistant Alloy*

*In accordance with NACE MR-01-75
**As defined in NACE MR-01-75

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Email Us info@at-engineering.co.uk