Stainless steel flange is mainly used to joint two pipes together. It can be devided to integral flange, loose flange and screwed flange by structural style. Welded flange and welding neck flange are common integral flange. Flanged pipe fittings are pipe fittings with flange flaunching or flange. It can be formed by casting, threaded connection and welding. Flange joint consist of a pair of flanges, a filling piece and several bolts and nuts. The filling piece is placed on the sealing ply between two flanges, after locknut is tightened, the specific pressure on the surface of filling piece reaches to a certain value produces deformation, and fills uneven sealing surface, so the joint fits tightly. Flange joint is a detachable joint. Flange has bolt hole which can be inserted by bolt to connect two flanges and the fitting piece between them tightly. Flange can be divided into the container flange and pipe flange by joint components.

Flange Production Standard:

Chinese Standards: GB / T********0 ( GB***3 *****0 GB***3 *****0)

American Standards: ANSI B*6.5 Class**0, **0, **0, **0, ***0 ( WN, SO, BL, TH, LJ, SW )

Japanese Standards: JIS 5K standard, *0K, *6K, *0K ( PL, SO, BL, WN, TH, DIN***3, SW )

German standards: ***2, ***1, ***6, ***2, ***3, ***3, ***4, ***5 ( PL, SO, WN, BL, TH )

The Ministry of Chemical Industry Standards: HG******2 ~ HG******8, HGJ****1 ~ HGJ****1, HG*******7 series, HG*******7 series

Machinery Ministry Standards: JB****9 ~ JB****9, JB / T****4 ~ JB / T****4, JB / T******4

Pressure Vessel Standards: JB******2 ~ JB******2, JB********0 ~ JB********0 B*6.*7A / B B*6.*9 B*6.*8

Fabrication Technology: forging flange, casting flange, split joint flange, rolled flange (extra large)

Flange connection: Blank Flangeï¼›Downward Welding Neck Flangeï¼› Butt Welding Neck flangeï¼› Socket Welding Flangeï¼› Threaded Flangeï¼› Flange Coverï¼› Hubbed Welding Ring Loose Flangeï¼› Welding Ring Loose Flange; Ring Groove Face Flange and the Flange Cover; Large Diameter Plate Flange; Large Diameter High Neck Flange; Butt Welding Ring Loose Flange; Rotating Flange; Anchoring Flange; Resurfacing Welding / Cover Welding flange

The products meet state-stipulated standards, with high quality and await your choice!

Flat Welding Stainless Steel Flange Parameter

Manufacturing Technique:

Production Mode:

Parameter:

Outside Diameter: *5mm - ***0mm

Diameter of Centre Hole in Bolts: *0mm - ***0mm

Diameter of Bolt Hole: *1mm - *0mm

Number of Bolt Hole: 4 - *8

Screw Thread: M*0 - M*7

Flange Thickness: *2mm - *8mm

Outside Diameter of Pipe: A(*7.*****2MM) B(******0MM)

Inside Diameter of Flange: A(******6MM ) B(******4MM)

Theoretical Weight of Flange: 0.*6kg****4.6kg（DN***0）