• Model NO.：Blind Flange
• Manufacturing Way：Forging
• Shape：Circle
• Size：1,2" - 36"
• Transport Package：in Wooden Cases or Customers Requirements
• Specification：CE, SGS, ISO
• Trademark：Chengdu Derbo Steel
• Origin：Chengdu Sichuan Province
• HS Code：3917400000
• Production Capacity：50000000PCS,Year

Steel FlangesMaterialCarbon steel ASTM A105. ASTM A350 LF1. LF2, 
CL1/CL2, A234, S235JRG2, P245GH P250GH, P280GHM 16MN, 20MN ,20# Stainless steel ASTM A182, F304/304L, F316/316LAlloy steelASTM A182 A182 F12,F11,F22,F5,F9,
F91etc.Standard                           ANSIClass 150 Flanges-Class 2500 FlangesDIN6Bar 10Bar 16Bar 25Bar 40BarJIS5K Flanges-20K FlangesUNI6Bar 10Bar 16Bar 25Bar 40BarEN6Bar 10Bar 16Bar 25Bar 40BarTYPE1.Welding neck Flange    2.Slip on3.Blind flange                   4.Long welding neck flange   5.Lap joint flange             6.Socket welding7.Threaded flange           8.Flat flangeSurfaceAnti-rust oil, clear lacquer, Black lacquer, Yellow lacquer,hot-dipped 
Galvanized,electrical galvanizedConnectionWelding, ThreadedTechnicalForged, CastingSizeDN10-DN3600Package1.>Standard export packaging (Plywood Case Of Outside,Plastic Cloth Of 
Inside). 2:As Customers' Requirements                         Heat TreatmentNormalizing, Annealing, Quenching+TemperingCertificateTUV,ISO9001:2008;PED97/23/EC,ISO14001:2004,OHSAS18001:2007ApplicationsWater works, Shipbuilding industry, Petrochemical & Gas industry, Power 
industry, Valve industry,and general pipes connecting projects etc.



Quality Control
Our quality control department consists of experienced technicians. These personal strictly control the whole production procedure, from introduction of raw materials to finish products. They ensure high quality products for our customers.




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We will offer warm-hearted service to you!