Valves with upper sealing structure

2016-06-13View Original

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May I ask: Which valves have an upper sealing structure?

Reply #22016-06-13

Gate valves and globe valves, generally, make it easier to replace the packing

Reply #32016-06-13

According to Tables 3.3.2-1 and 3.3.2-2 of the \"SH3518-2000 Regulations for Valve Inspection and Management\", gate valves and globe valves are valves that feature an upper sealing structure, and therefore they also require an upper sealing test to be conducted.

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Valves with upper sealing structure

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