Specification of WN flanges
1. Gost 12821-80 welding neck flange
1.Sizes:From 1/2" to 84".
2.Flange Type:Weld Neck
3.Flange Standard:GOST 12836
4.Flange Face Types:Raised Face(RF),Flat Face (FF),Ring-Type Joint (RTJ),Ring
Type Joint gaskets,Tongue-and-Groove (T&G),Male-and-Female (M&F)
5.Materials: carbon steel
6.Printing: yellow print, black print, oil or zinc.
8. Usage:Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc
9.The third party inspection:BV,SGS,LOIYD,TUV,and other party as clients request.
10.Delivery Terms: CIF, CFR, FOB
11. Quality Guarantee: Mill Certificate, Free Replacement Service.
3.Products pcs and packing