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Adjustable Choke Valve, API-6A Valves
Adjustable Choke
Adjustable Choke
Adjustable choke are the chokes that include restrictions or orifices to control the flow rate of fluids.These choke are not ntended to be used as shutoff valves. Adjustable Chokes have an externally controlled variable area orifice coupled with an orifice area indicating mechanism. Actuators can be used for driving mechanism

Material Specification

All Body, Bonnet and END & Outlet Connections shall be fabricated from the material which shall conform to the anufacturers Written Specifications which shall include minimum requirement for:
Tensile Strength
Yield Strength
Impact Strength
Impact Strength
: 483 to 655 Mpa
: 248 to 517 Mpa
: 56 HRB to 92 HRB
: 15 Ft. lbf
: 15% Minimum
: 20% Reduction of area (Minimum )
Performance Requirement
Operating cycle requirement for chokes has got two performance requirement levels:
- Performance Requirement Level 1 has got 3 operating cycle
- Performance Requirement Level 2 has got 200 operating cycle
Pressure & Temperature Rating
Pressure & temperature rating shall be as per API-6A from 13.8 MPa (2000 psi) to 138.0 MPa [20000 psi].
The temperature rating is classified as K,L,N,P,S,T,U,V with minimum -60deg centigrade to 121 centigrade.
Material Class
The material class has got various services for general & sour service from AA,BB,CC,DD,EE,FF,HH. The minimum material requirement for body, bonnet, end & outlet connections with respect to pressure controlling parts, stems & mandrel hangers
Reliable Valves manufactures the adjustable choke for 2 1/16
Reliable Valve api-6A
Valves and Chokes
- Flow Line Gate Valve
- Adjustable Choke
reliable valves
  • ISO 9001: 2008 by Det Norske Veritas A.S.
  • Fire Safe (API 607) by Det Norske Veritas A S
  • Fire Safe (API 6FA) by Det Norske Veritas A S
  • PED Certificate by DNV A.S.
  • ATEX Certificate by DNV A.S.
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