Description:Specifications: 1) Standard dimensions and weight of N1 type joint (K9 class, standard effective length: 6m) 2) Standard dimensions and weight of S type joint (K9 class, standard effective length: 6m) 3) Standard dimensions and weight of T type joint (K9 class, standard effective length: 6m) Manufacturing processes: 1) Smelting and molten iron spheroidization: after smelting in a mid-frequency furnace, molten iron id treated with a spheroidizing agent to adjust its composition 2) Centrifugal casting and extraction from molds: water-cooled metal mold casting is used on a centrifuge, with molten iron in the cupola heated by an electric furnace. After being spheroidized, it is cast into a pipe mold that is continuously turning at high speed. The molten iron sets into a ductile iron pipe, which is cooled by water, then extracted from the mold according to the set time 3) Heat treatment: qualified cast ductile iron pipes are put into an annealing furnace to attain the required metallographic structure 4) Finishing: during finishing processes, the pipes pass through visual inspection, zinc spraying (if necessary), roundness checking, internal grinding of spigots and sockets, hydraulic pressure testing (or air testing), ring test chamfering, grinding, dimension checking and mechanical properties tested, in order to ensure pipe quality. All pipes are then externally coated with metallic zinc and sprayed with bitumen according to the ISO8179 standard 5) Cement lining: cement mortar is lined onto the internal surface of each ductile iron pipe to prevent water from being polluted and to increase transmission capabilities. All pipes are internally centrifugal lined by cement mortar lining according to the ISO4179 standard 6) Bitumen coating: to prevent corrosion and give the pipe a good appearance, every ductile iron pipe is coated with bituminous paint, meanwhile undergoing a quality inspection of the external coating
sell ductile cast iron pipes
Brand Name | shl |
Place of Origin | China |
Model Number | DN20-DN600 |
Product Features
You May Like
- Ductile Iron Pipe Fittings
- Ductile Iron Pipes
- China supplier sand casting epoxy ductile iron pipes
- china pressure pipelines ductile iron pipes
- ISO 9001 Machined GGG50 Ductile Iron Sand Casting Pipe Manufacturer
- Best Price Custom Sand Casting Ductile / Grey Iron Pipe
- Custom Sand Casting Ductile Iron Sewage Pipes
- TS16949 Manufacturer Fully Automatic Molding Line Sand Casting Ductile Cast Iron
- Rod Kinds Of Cast Pipes Price List Ductile Iron Pipe
- Stair Basket K9 Cast Steel Wrought Components Ductile Iron Pipe
Popular Searches
ductile pipe
Ductile Iron Pipe
ductile iron pipe class k9
ductile iron pipes
coates cement
cement line pipe
ductile pipes
ductil pipes
ductile iron pipe in
dci pipe
prices for ductile iron pipes
gsxr 1000 k7
wras certified ductile iron manufacturer
iron ductile pipes
wholesale ductile iron pipe
ductile iron pipe factory
Find Similar Products By Category
You May Like
- Fittings Decoration Wrought Fence Panel And Gate Ductile Iron Pipe
- Wire Bird Cage Spear Fence Decorative Wrought Onion Basket Ductile Iron Pipe
- Models Cheap Fence Decorative Wrought Panel Ductile Iron Pipe
- Balusters Components Wrought Garden Ornamental Ductile Iron Pipe
- No-hub Cast Balusters Wrought Gate Ornament Ductile Iron Pipe
- Wrought Scroll Sml Cast Fittings Weight Per Meter Ductile Iron Pipe
- Class K7 Cast Gate Accessories Ductile Iron Pipe
- Valves Craft Wrought Flowers And Leaves Ductile Iron Pipe
- Fence 150mm Stair Decorative Panels Ductile Iron Pipe
- Flower Leaf Design Wrought Villa Gate Designs Ductile Iron Pipe
- K7 Single Wrought Gate Cast And Fittings Ductile Iron Pipe
- Spearhead 600mm Cast Drain Fittings Ductile Iron Pipe
- Price Cast Pipes Wrought Fence Ornaments Ductile Iron Pipe
- Fencing Fence Wrought Railing Parts Ductile Iron Pipe
- Cast Rosettes House Gate Ornamental Wrought Fence Components Ductile Iron Pipe