one-way valve

one-way valve, Total:2 items.

In the international standard classification, one-way valve involves: Protection against fire.

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, one-way valve

• GB 14104-1993 Halon fire extinguishing system performance requirements and test methods for check valves

SE-SIS, one-way valve

• SIS SMS 1218-1953 The angle of the direct valve (one-way valve) is sealed with metal

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