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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.

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The usage of pipe grooved ends joints

A grooved end joint is a mechanical connection,no welding,no thread.It is fromed with a grooved-end pipes,fittings or valves,and a victualic coupling (or Equal).The coupling comprises three parts:gasket,housings,and bolts nuts.(The pipe end type of steel pipe and pipe fittings)

The grooved pipes and fittings means the steel pipes or fittings have a groove on the ends,the groove couplings are used to connect the grooved pipes and fittings.

Rigid Grooved Couplings

Rigid Grooved Couplings

The bolts and nuts are used to hold the housings together,they are tightened with a socket wrench or an impact wrench.The coupling housings engage the end grooves and encase the gasket around the circumference of the two pipes,it can bring a leak-tight seal in the pipe end joint.

There are two kinds of grooved coupling for different working conditions:

Flexible grooved couplings-allow a limited amount of angular movement.

Flexible Grooved Couplings

Flexible Grooved Couplings

Rigid grooved couplings-do not allow movement and can be used wherever immobility in the pipe joint is needed,similar to a flanged or welded joint.

And there are technical tees or cross, also can be used to connect the grooved pipes and fittings.

Except the grooved end pipe fittings,Haihao Group also can supply plain end(PE),bevel end(BE),threaded end(TE) pipe fittings,steel pipes and flange products in high quality,if you are interested in our products,please contact us!!!

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