• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
Flange Gasket

Flange Gasket

  • Introduction:Hebei Haihao Group can manufacturer high quality flange gasket,spiral wound gaskets,
  • Sheet gaskets,Corrugated metal gaskets,Ring gaskets etc.
  • Email:sales@haihaopipe.com

flange gasket is a type of gasket made to fit between two sections of pipe that are flared to provide higher surface area.

Flange gaskets come in a variety of sizes and are categorized by their inside diameter and their outside diameter.

There are many standards in gasket for flanges of pipes. The gaskets for flanges can be divided in major 4 different categories: 1.Sheet gaskets 2.Corrugated metal gaskets 3.Ring gaskets 4.spiral wound gaskets.

asme b16.20 graphite flange gasketmflange gasket

 Size  DN15-DN600
 Pressure  Class150-Class3000
 Material  Carbon steel: ASTM A105,ASTM A105N,GB 20,C22.8. Alloy steel: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP 911

Stainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N

ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti

ASTM/ASME A403 WP 321-321H ASTM/ASME A403 WP 347-347H

Low temperature steel: ASTM/ASME A402 WPL 3-WPL 6

High performance steel: ASTM/ASME A860 WPHY 42-46-52-60-65-70

 Standard  ASME ANSI B16.5,ASME ANSI B16.47.

API 605,API 6L.


CSA Z245.12



BS1560,BS 4504,BS 10.

AFNOR NF E29-200-1



JIS B2220

UNI 2276. UNI 2277.UNI 2278 .UNI 6089 .UNI 6090

 Application  Petroleum, chemical, power, gas, metallurgy, shipbuilding etc.
 Packing  Plywood cases or pallet ,or as customers’ requirement.
 Advantage  Long service life,high quality,reasonable price.

We sincerely welcome customers domestic and abroad to visit us for cooperation and development !