Design standards: API 602, ASME B16.34, BS 6364, MESC SPE 77/200
Structural length: ASME B16.10, factory standard
Connection standard:
1) Socket end: ASME B16.11;
2) Threaded connection end (NPT): ASME B1.20.1
3) Welding end: ASME B16.25
4) Flange end: ASME B16.5;
Inspection and testing: API 598, BS 6364
Temperature pressure rating: ASME B16.34
