An extension added to a short face-to-face valve to conform to face-to-face dimensions. API 6A specifies requirements and gives recommendations for the design, manufacturing, testing and documentation of ball, check, gate and plug valves for application in pipeline systems.
Working pressure—————————————-2,000psi – 20,000psi
Working medium—————————————- Oil, Natural Gas, Mud
Working temperature—————————————46°C -121℃
Material class———————————————- AA – HH
Specification class—————————————- PSL1 – PSL4
Performance class————————————— PR1 – PR2
Connection——————————————– API 6A Flange, API 16A Clamp, WECO Union