Ductile Iron Fitting：
Standard
1.International Standard: ISO 2531
2.National Standard: GB/T13295
3.European Standard: EN545/ EN598
4.Janpanese Standard: JIS G5502
Internal Protection
1.Cement mortar lining complying with ISO4179
2.Liquid expoxy resin paiting
External Protection
1.Bitumen and Metallic zinc painting complying with ISO8179
2.Liquid expoxy resin paiting
3.Electrostatic powder spraying
Joint
1.Socketed and tytonedtype
2.Flanged type
Producing Process
EPS Foaming--Molding-- Splicing individual mold--Dip coating of the mold-- Drying the coating-- Moulding in the sandbox--Spheroidization-Casting-Taking out the fitting shell--Sand blasting-- Polishing-- Machining- Zinc rich painting-- Hydrostatic test-- Cement lining-- Curing of cement--Drying the bitument--Warehouse
Cement Lining
Liquid expoxy resin lining
Splicing individual mold
Moulding in the sandbox
Hydrostatic test
Exported Packing
