Tag: BS 3799

9
Mar

Threaded Union and Threaded Coupling Differences

The basic difference between a threaded union and threaded coupling is that threaded unions are made for joining and disassembling a part of a piping system such as a steam trap or control valve, etc for maintenance or replacement purpose. A coupling is used for joining pipe to pipe or pipe to a swedge. Pipe Coupling and Unions are available

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