JB/T 9092-1999 (English Version) PDF

Scope: This standard specifies the inspection and pressure test requirements for valves. This standard is applicable to the inspection and pressure test of gate valves, globe valves, plug valves, ball valves, check valves and butterfly valves with metal sealing pairs, elastic sealing pairs and non-metallic sealing pairs (such as ceramics). It can also be applied to other types of valves with the agreement of both parties. Elastic sealing pairs refer to: (1) Seal pairs composed of soft sealing pairs, solid and semi-solid greases (such as oil seal plug valves); (2) Seal pairs composed of non-metallic and metallic materials; (3) According to Table 3 Other types of seal pairs with specified elastic seal leakage rates.

JB/T 9092-1999 history