Shandong Aiguo Forging Co.,Ltd(Used name Zhangqiu Aiguo Forging Co.,Ltd) was established in 1992 and has been exporting flanges since 2011. As a professional China Welding Neck Flange manufacturers and China Welding Neck Flange suppliers, we are strong strength and complete management. The welding neck flange is also called butt-welded flange. It is different from the flat-welded flange in that there is a long and inclined high neck from the welding place of the flange and the pipe to the flange, and the wall thickness of this section of high neck .The gradual transition to the thickness of the pipe wall along the height direction improves the stress discontinuity, thus increasing the flange strength.
Welding neck flanges are mainly used in harsh working conditions, such as pipeline thermal expansion or other loads that cause large stresses on the flange or repeated stress changes, pipelines with high pressure and temperature fluctuations, or high temperature, high pressure and Sub-zero temperature pipeline. The welding neck flange is not easy to deform, has good sealing, and is widely used. The nominal pressure is about PN1.0MPa ~ PN25.0MPa.
Welding neck flanges can be divided into flat welding neck flanges, raised welding neck flanges, convex-convex welding neck flanges, tongue-and-groove welding neck flanges, ring-connected welding neck flanges according to the types of sealing surfaces.
1.Standard:EN1092-1, ANSI, ASME, ASTM, JIS, DIN, UNI, GOST, BS4504, AS2129, etc.
2.Customized:Standard, also non-standard and special flanges according to drawings
3.Type: PL , BL, SO, Threaded, WN, Loose, Ring, etc
Welcome to buy DIN2632 PN10 RF Weld Neck Flange Carbon Steel A105 S235JR from us. Every request from customers is being replied within 24 hours.
AG focused flange manufacture with 260 workers,30000 m2 workshop,1500 tons monthly output,28 years production experience,delivery time guaranteed,ISO,TUV/PED,DNV,BV,VD-TUV certificated,these are how we keep good quality and competitive prices for global valued customers.We supply DIN2631 PN6 WELDING NECK FLANGE. Believe the power of professionalism.
We manufacture JIS B2220 Welding Neck Flange according to our customer requirements of dimension,surface finished,marking,packing etc
We supply DIN 2633 Weld neck flange on sales. 260 workers, 30000 m2 workshop,1500 tons monthly output,28 years production experience. En1092-1/DIN/ANSI/BS4504/GOST/AS2129/JIS Standard. TUV&VD-TUV/DNV/BV/ISO9001/KR certificated.Best price & superior quality & guaranteed delivery time.Product are exporting many countries, like asia ,europe,north amercan,etc.
We supply ASME B16.5 raised face weld neck flanges on sales. 260 workers, 30000 m2 workshop,1500 tons monthly output,28 years production experience.
En1092-1/DIN/ANSI/BS4504/GOST/AS2129/JIS Standard. TUV&VD-TUV/DNV/BV/ISO9001/KR certificated.Best price ever will be provided.
We provide the standard dimensions A105 2 Inch pipe WN flanges with best quality and resonable price for global customers. ISO&TUV/PED&DNV&BV&VD-TUV&KR Certificated. Best price & superior quality & guaranteed delivery time. We are expecting become your long term partner in China.
