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Who has seen a gas-operated check valve with a diameter of over DN150?

2017-04-17 View Original

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:) It would be better to have pictures; I’d like to exchange ideas
Reply #2 2017-04-17
I guess you’ll have to ask the people on site; generally, they don’t take photos on purpose. I have seen ones with a diameter of 1 meter
Reply #3 2018-09-18
Gas valve-type check valves are used on the inlet and outlet pipelines of hydrogen compressors; essentially, it is a gas valve with clamps at both ends

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