Choke Valves

Type 30
Type 31
Type 32
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TYPE 30 (H2)

The AXON Type 30 Choke is available in a positive and adjustable (manual) design. The positive choke has a fixed size orifice and is used primarily in production applications. The adjustable choke has a manually operated needle or stem, which provides variable flow rates. A visual indicator provides an indication of approximate orifice size for flow rate calculations. 

SPECIAL FEATURES

  • Positive and Adjustable designs available in 1”, 2” or 3” maximum orifices
  • Inlet and outlet sizes up to 4-1/16” bore in a 90° body configuration
  • 2,000 to 15,000 psi maximum working pressures
  • Adjustable design uses a visual indicator showing orifice size

TYPE 31

Available in manual or hydraulic designs, the AXON Type 31 Choke has a standard cylindrical orifice gate and seat design. The gate and seat are solid tungsten carbide, which are reversible for two complete seal and wear areas.  Body configurations, gate and seat designs are interchangeable between the manual and hydraulic choke allowing flexibility in choke and kill manifold designs. 

SPECIAL FEATURES

  • Designed and manufactured to API Specification 6A and ISO 10423 for Wellhead and Xmas tree equipment
  • 5,000 to 20,000 psi (34.5 to 138.0 MPa) maximum working pressures
  • Forged materials rated for H2S service per NACE MR0175
  • Choke control consoles are designed to API Specification 16C for Choke and Kill Systems

TYPE 32

The AXON Type 32 is a hydraulic super choke that utilizes two flat tungsten carbide discs with a half round cut out in each disc. One disc stays stationary while the other rotates, providing a variable orifice according to requirements. The lapped matting surfaces of the discs provide a positive seal when the choke is closed. Choke control panels are available in single or dual choke operation.

SPECIAL FEATURES

  • 5,000 to 15,000 psi (34.5 to 103.5 MPa) maximum working pressures
  • Forged materials rated for H2S service per NACE MR0175
  • Choke control panels are designed to API Specification 16C for Choke and Kill Systems

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