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The difference of slip on welding flange with welding neck flange

The difference of slip on welding flange with welding neck flange

 

First,The form of the weld is different. Welding neck flange can be radio graphic inspection, while slip on welding flange are not. The former flange connect with pipe is a ring weld, and the later welded form with pipe is a fillet weld. In addition,Butt welding is a butt joint weld, and slip on welding is two corner joint welds. The difference is that welding neck flange and the joint pipe connect way is a type B joint, and slip on welding flange and the joint is a type C joint.

Second, Different materials. The material of the welding neck flange usually formed by machined forged steel. The material with the Slip on welding flange is made by machining the ordinary steel plate with the required thickness.

Third, The nominal pressure is different. The nominal pressure of the welding neck flange is 1-25 MPa, and the grade is higher. The nominal pressure of the slip on welding flange is 0.6-4 MPa. Compared with the neck welded flange, the pressure rating is relatively lower, and the ability to adapt to pressure is also slightly lower.

welding neck flange.jpgSlip on welding flange.jpg

Please contact us if you have any inquiry for steel flange

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Contact Us
Xi'an Brightway International Trading Inc.

Address: No.1, Room 715 Of 1st Building Of Qujiang Liu Hao Qujiang Yan Nan Yi Road, Xi'an, China

Tel: +86 029-85497713

Fax: +86 029-85497185

E-mail: briway@screenpipes.com

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