What is the difference between valves J61Y and HJ61Y, and what does the letter H stand for?

2016-07-15View Original

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What is the difference between valves J61Y and HJ61Y, and what does the letter H stand for?

Reply #22016-07-15

Check JB/T 308-2004 \"Valves – Method for Naming Models\"

Reply #32016-07-15

The prefix H denotes the high-temperature type, while D denotes the low-temperature type

Reply #42016-07-15

It should be J61Y for the stop valve, and then JH61Y. Check stop valve. It’s essentially a stop valve with a check function. .

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