How to do not have professional can distinguish cam and groove coupling quality tips

　　Ordinary people in the purchase of the cam and groove coupling, often do not have certain professional knowledge, so in a choice, will be entangled state. So is there a tips, to identify the cam and groove coupling product quality? The following for you to introduce some knowledge about discrimination.

　　The first surface hand percussion groove fittings products, view the pipe toughness, if the wall tapping pipe force, fitting surface will have small degree and convex deformation, not broken pipe overall, this proof pipe toughness can also, very good performance.

　　The second observation cam and groove coupling thread lengths and galvanized, threaded fittings general quality is not good is short, good fittings to prevent pipe rot a layer of good zinc in the pipe surface, galvanized steel is heated galvanizing in processing thread before, after the thread processing, pipeline installation will not rust.

　　Finally see cam and groove coupling weight, Jerry groove fittings production diameter becomes smaller, the degree of thickness and size of the pipe wall length will change, the light weight, the weight, we can also determine whether the quality good cam and groove coupling.
 

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