Industry News
What are the types of duct processing?
Classification :Industry NewsDATE:2018-04-11

1. Ordinary angle welding flange: angle steel blank must ensure that the flange size is positive deviation, followed by flange welding can not have slag, pores, biting meat, flange length, diagonal dimensions, flatness Must meet the design provisions (see GB50243-2002); flange holes must ensure compatibility.

2. Insertion flange: In addition to satisfying the above requirements, the insert flange should pay attention to the silicone seal at the flange pin.

 

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