Blind Flange

  Material

  Carbon steel

  ASTM A105.   ASTM A350 LF1. LF2, CL1/CL2, A234, S235JRG2, P245GH 

  P250GH, P280GHM   16MN, 20MN ,20# 

  Stainless steel

  ASTM A182,   F304/304L, F316/316L

  Alloy steel

  ASTM A182 A182   F12,F11,F22,F5,F9,F91etc.

  Standard                           

  ANSI

  Class 150   Flanges-Class 2500 Flanges

  DIN

  6Bar 10Bar 16Bar   25Bar 40Bar

  JIS

  5K Flanges-20K   Flanges

  UNI

  6Bar 10Bar 16Bar   25Bar 40Bar

  EN

  6Bar 10Bar 16Bar   25Bar 40Bar

  TYPE

  1.Welding neck   Flange    2.Slip on

  3.Blind   flange                     4.Long welding neck flange   

  5.Lap joint   flange               6.Socket welding

  7.Threaded   flange           8.Flat   flange

  Surface

  Anti-rust oil,   clear lacquer, Black lacquer, Yellow lacquer,hot-dipped Galvanized,electrical

  galvanized

  Connection

  Welding,   Threaded

  Technical

  Forged, Casting

  Size

  DN10-DN3600

  Package

  1.>Standard   export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As 

  Customers'  Requirements                         

  Heat Treatment

  Normalizing,   Annealing, Quenching+Tempering

  Certificate

  TUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007

  Applications

  Water works,   Shipbuilding industry, Petrochemical & Gas industry, Power industry,  

  Valve industry,and general pipes connecting projects etc.