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Blind Flange
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,F91 etc.
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 flange,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.
Package: 1.Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of Inside). 2:As Customers' Requirements.
Heat Treatment: Normalizing, Annealing, Quenching Tempering.
Applications: Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry,and general pipes connecting projects etc.