These are NPT/LP couplings:
1.315″ NPT/LP API 5B finished COUPLING;
2-3/8″ NPT/LP API 5B finished COUPLING;
3-1/2″ NPT/LP API 5B finished COUPLING;
4-1/2″ NPT/LP API 5B finished COUPLING.
Mfg. Std : API 5L & API 5B-2017 16TH Edition
With 100% inspection for each coupling.
Due to a small amount, the goods will be shipped by LCL .And the sailing date will be Sep.12,2022. ETA PUSAN is Sep.14, 2022
Below are the photos taking in the dock.