| Design criteria: | API6D、ASME B16.34 | DIN 3357-1，EN12516-1 | API6D |
| Structure length: | API6D、ASME B16.10 | DIN 3202F1/F4/F5/F17/F18 | ASME B16.10 GOST 3706 |
| Body material: | A105 F304 F304L F316 F316L F321 F51 F53 904L LF2 F11 | A105 F304 F304L F316 F316L F321 F51 F53 904L LF2 F11 | A105 F304 F304L F316 F316L F321 F51 F53 904L LF2 F11 |
| Connecting flange | ASME B16.5 ASME B16.47 | DIN2542-DIN2545 EN1092 EN17292 | GOST 33259 |
| Test and inspection | API6D API598 | DIN3230/3,EN12266 | GOST 9544 |
| Nominal size | NPS1-1/2-NPS36 | DN40-DN900 | DN40-DN900 |
| Nominal pressure | 150LB-2500LB | PN10-PN420 | PN10-PN420 |
| Other instructions | Please contact the company for other materials and technical requirements | Please contact the company for other materials and technical requirements | Please contact the company for other materials and technical requirements |
