1. Design and manufacture: ANSI B16.34, API 602
2. Structure length: ANSI B16.10, JIS B2002
3. Flange connection:
1) 150, 300 and 600Lb ANIS and B16.5(RF)
2) 10K, JIS and B2212, 20K JIS B2214, 30K and 40K JIS B2215
4. Inspection and test: API 598
5. Structure and characteristic: 1) B. B; OS and Y or W. B OS and Y
2)(R, P)or(F. P)
6. Material: AISI / ASTM
7. Main material: A105; F5; F11; F22; 304; 304L; 316; 316L; LF2 and so on