Design specifications:
Design standards: API 6D, GB/T19672, GB/T 30818
Structural length: API 6D, ASME B16.10, GB/T12221, GB/T19672
Connection forms: ASME B16.5, ASME B16.47, ASME B16.25, GOST33259, EN 1092
GB/T12224, GB/T9124, HG/T20592, JB/T79
Inspection and testing: API 6D, API 598, GB/T13927, GB/T 26480
Fire protection standards: API 607, API 6FA
Performance parameters:
Pressure rating: CL150~CL2500 (PN16~PN 420)
Nominal size: NPS 1 to NPS 60 (DN25 to DN1500)
Valve material: carbon steel, stainless steel, alloy steel
Sealing form: soft seal or metal hard seal
Drive mode: manual, electric, pneumatic, gas-liquid linkage
Industry applications: long-distance pipeline transportation of oil and natural gas, stations, etc











