Cangxian Huahai Pipe Fittings CO., Ltd.
Professional manufacturer in pipeline and oil filed.
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Weld neck flange is a device that two large diameter pipelines connect each other,usually two flange piece and a number of fastening bolts, Welding neck flange is provided with good plastic property and low strength,and become hard after adding defined amount carbon element. Its connection is likely to need to withstand very high tensile, compression as well as torsion strength. Welding neck flange has the advantages of its convenience, simple manufacturing, low cost and wide use. But due to its poor stiffness, so it may not be used for flammable, explosive as well as extremely hazardous situations.There are two types of sealing faces:flat face and raised face. Welding neck flange needs to consume much welding rod can not afford the act of high temperature, repeated bending,high pressure as well as temperature fluctuatio
| Item | Welding neck flanges,Plate flanges,Slip on flange,Blind flange,Threaded flange,Socket welding flange | |
| Standard | ANSI | ANSI B16.5 ASME B16.47 series A/B |
| DIN | DIN | |
| GOST | GOST 12820-80/ GOST 12821-80 /GOST 12822-80 | |
| EN | EN1092-1:2002 | |
| JIS | JIS B2220-2004,KS D3576, KS B6216 KS B1511-2007 JIS B2216;JIS B8210 | |
| BS | BS4504 BS10 TABLE D/E | |
| Size | ANSI | 1/2''-60'' |
| DIN | DN15-DN2000 | |
| GOST | DN15-DN1600 | |
| EN | DN15-DN2000 | |
| JIS | 15A-1500A | |
| BS | DN15-DN2000 | |
| Material | ANSI | CS A105, 105N, SS304/304L, 316/316L, ALLOY STEEL:WHPY45/52/65/80 |
| DIN | SS304/304L, 316/316L, CS RST37.2, S235JR | |
| GOST | S304/304L ,316/316L ,CS CT20, 16MN , | |
| EN | Q235, SS304/304L, 316/16L ,CS ,RST37.2 ,S235JR ,C22.8 | |
| JIS | S304/304L ,316/316L, SS400, SF440 | |
| BS | Q235SS, 304/304L ,316/316L, CSRST37.2, S235JR ,C22.8; | |
| Pressure | ANSI | CLASS 150 ,300 ,600, 900, 1500, 2500 |
| DIN | PN6,10,16,25,40,64,100 | |
| GOST | PN6,10,16,25,40,64,100 | |
| EN | PN6,10,16,25,40,64,100 | |
| JIS | 1K,2K,5K,10K,16K,20K,30K,40K | |
| BS | PN6,10,16,25,40,64,100 | |
| Surface | Anti-rust,galvanizing,varnisg,color painting...etc | |
| Usage | Used for connection of all kinds of pipe line such as valves,pies...etc | |
| Medium | Water,gas,oli...etc | |
| Our advantage | Factory direct sales | |
| Most competitive price and guaranteed quality | ||
| Strong production capacity and prompt delivery | ||
| Trial order are avialable | ||
| Good pre-sales service and after-sales service | ||