• Corporate vision to become the pipeline industry Toyota
  • Corporate mission to enhance the quality level of Chinese manufacturing
  • Business goals domestic industry first
compressed non-asbestos flange gasket

compressed non-asbestos flange gasket

  • Introduction:Hebei Haihao Group can manufacture high quality compressed non-asbestos flange gasket in standard or customized dimensions.
  • Email:sales@haihaopipe.com
 Size  Plate flange:1/4″-160″ DN8-DN4000
 Pressure  America Series:Class 150 ,Class 300, Class 600, Class 900A ,Class 1500,Class 2500. Europe Series:PN2.5,PN6,PN10,PN16,PN25,PN40,PN63,PN100,PN160,PN250,PN320,PN400.
 Flange Facing Types  America Series:Flat face(FF),Raised face(RF),Tongue(T),Groove(G),Female(F),Male(M),Ring type joints face(RJ/RTJ)Europe Series:Type A(Flat Face),Type B(Raised Face),Type C(Tongue),Type D(Groove),Type E(Spigot),Type F(Recess),Type G(O-Ring Spigot),Type H(O-Ring Groove).
 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

 Industrial Processes  Die forging,Machining

flange gasket insulation

flange gasket data-Hebei Haihao Group

Technical Data

Item Technical Data
Density 1.0g/cm3
Density Tolerance ±0.03 g/cm3
Thick Tolerance ±0.03 mm
Carbon Content 99%
Ash Content ASTM C561 ≤1%
Leachable Chloride ASTM D-512 50ppm Max
Sulphur Content ASTM C-816 1000ppm Max
Fluorides Content ASTM D-512 50ppm Max
Working Temperature -200 to +3300 Non-oxidizing

-200 to +500 Oxidizing

-200 to +650 Steam

Pressure 140bar Max
Tensile Strength ≥4.0 Mpa
Stress Relaxation DIN 52913 48N/mm2
Creep relaxation ASTM F-38 ≤5%
Compressibility ASTM F36A-66 40-45%
Recovery ASTM F36A-66 ≥20%
Ignition Loss Less than 1%(450/1Hr)

Less than 20%(650/1Hr)

Seal ability ASTM F-378 fuel A ≤0.5ml/h
Electrical Resistance 900×10-6 ohm cm parallel to surface

250,000× 10-6 ohm cm Perpendicular to surface

Thermal Conductivity 120 Kcal/m Hr. Perpendicular to surface

4Kcal/m Hr. Perpendicular to surface

Thermal Expansion 5×10-6/ Perpendicular to surface

2×10-6/ Perpendicular to surface

Frictional Coefficient 0.149
PH 0-14