Questions about Double block and bleed valve and float needle valve
Questions about Double block and bleed valve and float needle valve
(OP)
1.for DBB valve, any difference between reduced bore one and full bore one?
2.is there float needle valve? its construction?
i need your advices,thank you in advance.
2.is there float needle valve? its construction?
i need your advices,thank you in advance.





RE: Questions about Double block and bleed valve and float needle valve
2) Not AFAIK, but may depend on size.
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