Seat test pressure after reassembly
Seat test pressure after reassembly
(OP)
Hi guys!
I'm trying to find a reference for Seat test pressure and hold time for a check valve we have dissasembled and now reassembled as part of maintenance.
Typically we deliver acc. API 6A.
As far as i can tell API 6A does not mention testing in the context of maintenance?
11.2.4 and Table 32 suggest test pressure to RWP and 3x3min. We were hoping to get away with just one hold period (we have upto 600 check valves to test
)
Thank you!
Regards
Siggi
I'm trying to find a reference for Seat test pressure and hold time for a check valve we have dissasembled and now reassembled as part of maintenance.
Typically we deliver acc. API 6A.
As far as i can tell API 6A does not mention testing in the context of maintenance?
11.2.4 and Table 32 suggest test pressure to RWP and 3x3min. We were hoping to get away with just one hold period (we have upto 600 check valves to test

Thank you!
Regards
Siggi
RE: Seat test pressure after reassembly
Edit for grammar and spelling.
RE: Seat test pressure after reassembly
However, API STD 6AR covers "Repair and Remanufacture of Wellhead and Tree Equipment", including hydrotest requirements. Per Section 1 of 6AR, it applies "when specified by the user/purchaser of the equipment", so you may want to check if your customer requires the valves to meet 6AR or another specification. Alternatively, you can hydrotest per API 6AR, which simply refers you back to API 6A except that the hydrostatic body test doesn't have to exceed MAWP if you haven't replaced pressure containing parts.
API 6AR Section 11: "The quality control requirements for factory acceptance testing of assembled equipment shall conform to API 6A for the PSL corresponding to the RSL to which the equipment is being repaired or remanufactured. When pressure containing parts have not been replaced or remanufactured, the hydrostatic body test pressure is only required to be minimum of the rated working pressure."
Note that the current version of 6AR is designated as a standard (STD) and was published in 2019. Prior to 2019, the 6AR requirements were included in 6A for a few editions and before that were a separate recommended practice (RP).
RE: Seat test pressure after reassembly