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单词 union joint
释义

Union joint


(Mech.) A joint formed by means of a union.
A piece of pipe made in the form of the letter T.

See also: Union, Union

Union Joint


union joint

[′yün·yən ‚jȯint] (design engineering) A threaded assembly used for the joining of ends of lengths of installed pipe or tubing where rotation of neither length is feasible.

Union Joint

 

a detachable joint, formed by means of a union, that is used to connect the parts of a piping system to various tanks or machines. Besides a union, a union joint consists of a gasket, a locknut, and a reducer, such as an elbow or a coupling (Figure 1). The pipe to be connected is screwed into the reducer.

Figure 1. Union joints: (a) with an elbow, (b) with a coupling; (1) union, (2) gasket, (3) locknut, (4) elbow, (5) coupling

When the locknut is loosened, the reducer, together with the pipe screwed into it, may be turned relative to the axis of the union. A rigid, airtight joint is obtained by tightening the locknut.

union joint

A pipe joint made with a union.
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更新时间:2025/2/23 13:25:05