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90°Double-flanged-bend

Pipe fittings implementation standards GB/T 13295-2013.IS02531.BS EN545.etc.Products have more than 1,000 specifications. Our company specializes in the production of ductile iron pipe fittings，Adopting ost foam casting process technology, supporting full-automatic molding machine, intermediate frequency electric furnace,sand processing equipment, finishing equipment.Production and processing of high-quality pipe fittings.

Classification :

Ductile iron pipe fittings

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PRODUCT DETAILS

Product Details
Ductile iron pipe fittings have the characteristics of high strength, high elongation, impact resistance, corrosion resistance, and good sealing. The inner wall is lined with cement mortar, which improves the pipeline water delivery environment, increases water supply capacity, and reduces energy consumption; the pipe mouth is flexible interface, and the pipe itself has a large elongation, making the pipe more flexible. In the buried pipe, it can work with the soil around the pipe to improve the stress state of the pipe, thereby improving the reliability of the pipe network operation. . Therefore, my country's water supply industry usually uses ductile iron pipes as main pipes.

Technical Specification of Ductile lron Pipes and Fittings
The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron. Thereforeit has gradually become the world’s most safe and reliable pipes and fittings in the field of watersupply and drainage. Jiugang Steel (Qingdao) Company Limited provides ductile iron pipes and fittings ranging fromDN80mm-DN2600mmin accordance with ISO2531/EN545/598 or GB13295.

Product parameters

Standard	Product	Nominal Diameter DN(mm)	Tensile Strength N/mm2	Yield Strength N/mm2	Elongation%	Hardness HB
ISO2531/EN545/GB13295	Ductile lron Pipes	DN80-1000mm	≥420	≥300	10	≤230
	Ductile lron Pipes	DN1100-2600mm	≥420	≥300	7	≤230
	Ductile lron Fittings	DN80-2600mm	≥420	≥300	5	≤250

Standard of Hydrostatic Testing Pressure (Class K9)

Standard	Product	Nominal Diameter DN(mm)	Testing Pressure(Bar)	Time( second)
ISO2531/EN545/GB13295	Ductile lron Pipes	DN80-300mm	50	≥10
		DN350-600mm	40
		DN700-1000mm	32
		DN1100-2000mm	25
		DN2200-2600mm	18
	Ductile lron Fittings	DN80-300mm	25	≥10
		DN350-600mm	16
		DN700-2600mm	10

Transaction screenshot and Packing and shipping

Jiugang Steel (Qingdao) Co., Ltd.Specializing in the production of centrifugal ductile iron pipes and supporting fittings. The annual output of ductile iron pipe is 300,000 tons,