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API 6A - Pressure-controlling parts

API 6A - Pressure-controlling parts

(OP)
Hello,

According to API 6A, pressure-controlling parts are parts intended to control or regulate the movement of pressurized fluids.

For a ball valve, what should be these pressure-controlling parts ?

- the ball
- the seat
- the insert
- o-rings
- ...

Thanks a lot for your help !

RE: API 6A - Pressure-controlling parts

In addition, and depending on the body style (top or side entry) the body joint seals, plus the bonnet and stem seal systems must also be considered pressure boundary components.

Rick

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