FAQ
Which is more expensive, gate valve or butterfly valve?
Gate valves of the same material and specifications are much more expensive. The weight of...
How do you explain A in butterfly valve D37A1?
Represents a seal or lining material symbol.Said sealing ring or lining material with the ...
What is the meaning of American Standard butterfly valve B series
American Standard flange connection is divided into A, B series. A series for normal flang...
Are fire fighting signal valves and signal butterfly valves the same thing?
The same nature: both can open and close, there is also information back fed.Signal valves...
Fire signal butterfly valve what role?
Signal butterfly valve should be human action monitoring alarm, once closed, that is, to t...
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