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API 6A Wellhead Valves

API 6A Expanding Gate Valves

API 6A Expanding Gate Valves

    The YFL API 6A expanding gate valve is widely used in thermal recovery wellhead with working temperature higher than 300

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  • Features
  • Specification

  • The YFL API 6A expanding gate valve has metal seal between disc & seat and bonnet & body;
  • Secondary seal of seat can prevent impurity from going into sealing surface.
  • Plastic/chevron packing stays clean and free from contaminants to reduce maintenance costs;
  • Tight mechanical seal is assured with parallel expanding gate design;
  • Parallel expanding gate design provides upstream and downstream sealing simultaneously which is not affected by pressure fluctuation and vibration;
  • A double row roller thrust bearing on the stem makes operation easy, even under full pressure;
  • When open and close the YFL API 6A expanding gate valve, there is space between gate and seat, this reduce torque.

  • Pressure ratings: 2000psi 3000psi 5000psi
  • Sizes: 2-1/16"; 2-9/16"; 3-1/8"; 4-1/16" 5-1/8" 7-1/16" 9"
  • Working temperature: LU-XX YY
  • Material classes: AA to EE
  • Production Specification Level: PSL 1 to 4
  • Performance Requirement (PR): PR 1-2