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Flat welding flange with neck

Flat welding flange with neck

Advantages: Necked flat welding flanges are also classified as flat welding flanges, as they have a short neck, which improves the strength of the flange and improves its load-bearing capacity. So it can be used on higher pressure official roads. Disadvantages: Compared to plate type flat welding flanges, they have a higher cost and are more prone to collision during transportation due to their shape characteristics.

  • Item NO.:

    XUVAL33-173
  • Lead Time:

    45 Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    silvery
  • MOQ:

    20
Products Details

The full name of flat welded flange with neck is flat welded steel pipe flange, which is a flange that extends steel pipes, fittings, etc. into the flange and connects it to equipment or pipelines through fillet welds.


Chinese name: Flat welding flange with neck Foreign name: Slip-on Manufacturing process: Forged flange material: Carbon steel, molybdenum steel, 304, etc. Function: Parts that connect pipes to each other Applicable nominal pressure: Not exceeding 2.5MPa

Function: The neck flat welding flange, like the plate flat welding flange, is also a flange that extends steel pipes, pipe fittings, etc. into the flange and connects it to equipment or pipelines through fillet welds. Sealing form: The sealing surface forms of the neck flat welding flange include: raised face (RF), concave face (FM), convex face (M), tenon face (T), groove face (G), and full face (FF). The diameter range of the neck flat welding flange is DN10~DN600. Flange material: carbon steel, molybdenum steel, 304, 316, 304L, 316L, 321, 347, CF8C. Common manufacturing standards in China include: national standards of the National Standards of the People's Republic of China; GB/T 9116-2010 Hubbed slip on welding steel pipe flanges; Chemical industry standards of the China; PN series (European system) in HG/T20592-20635-2009; Class series (American system) in HG/T20592-20635-2009.


Description of carbon steel forged flanges

standard ANSI ANSI B16.5, ASME B16.47 series A/B
DIN Germany 6bar, 10bar, 16bar, 25bar, 40bar
GOST GOST 12820/12821/12836
EN1092-1 EN1092-01/05/11/12/13
JIS JIS B 2220-1984, KS B1503, JIS B 2216
BS4504 BS4504 BS10 Table D/E
material quality ANSI CS A105, S235, Steel 20; SS 304/304L, 316/316L
DIN CS RST37.2, S235JRG, P245GH, P250GH; SS 304/304L, 316/316L
GOST CS Steel 20, 16MN, Q235
EN1092-1 CS RST37.2, S235JRG, C22.8
JIS SS400, SS 304/304L, 316/316L
BS4504 CS RST37.2, S235JRG, C22.8; SS 304/304L, 316/316L
pressure ANSI Class 150, 300, 600, 900, 1500, 2500lbs
DIN PN6, PN10, PN16, PN25, PN40
GOST PN6, PN10, PN16, PN25, PN40, PN63, PN100
EN1092-1 PN6, PN10, PN16, PN25, PN40, PN63, PN100
JIS 5K, 10K, 16K, 20K, 30K, 40K
BS4504 PN6, PN10, PN16, PN25, PN40
pressure ANSI 1/2" - 80"
DIN DN15-DN2000
GOST DN15-DN1600
EN1092-1 DN15-DN2000
JIS 15A-1500A
BS4504 DN15-DN2000
length 3/8" ~80"
technology forge
Processing method: Drilling/Bending/Stamping
pressure PN2.5bar~PN100bar、CLASS150~CLASS1500,PN0.6-PN400、5K-40K,API 2000-15000
Connection method: Welding, threaded
Wall thickness: SCH5S, SCH10S, SCH10, SCH40S,STD, XS, XXS, SCH20,SCH30,SCH40, SCH60,SCH80, SCH160, XXS and etc.



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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.