DIP Water Supply K9 Standard 6meters GB/T13295 Ductile Iron Pipe 1400mm

• Customization: Available
• After-sales Service: One Year
• Warranty: One Year
• Model NO.: DN1400
• Type: Cast Iron Pipes
• Usage: Water Supply
• Joint Type: Self Anchoring Joint
• Section Shape: Round
• Certification: ISO2531
• Shape: Round
• Customized: Customized
• Gasket Material: NBR
• Transport Package: Bulk Carrier
• Specification: 600*1400mm
• Trademark: Jintai
• Origin: China
• HS Code: 73030010
• Production Capacity: 10000
• Package Size: 600.00cm * 140.00cm * 140.00cm
• Package Gross Weight: 2000.000kg

Product Description

Ductile Iron Pipe: The Gold Standard for Modern Pipeline Infrastructure

1. Introduction to DI Pipe Technology
   Ductile Iron Pipe (DI Pipe) has revolutionized water transmission systems since its introduction in the 1950s, replacing traditional cast iron pipe with superior material properties. As a high strength pipe material, DI pipe offers exceptional performance in both water supply pipe networks and sewage pipe applications, making it the preferred choice for municipal water pipe systems worldwide.

2. Material Science Breakthrough
   The development of DI pipe represents a significant metallurgical advancement over conventional cast iron pipe:

• Nodular graphite structure provides unique flexibility

• Minimum tensile strength of 60,000 psi (414 MPa)

• Yield strength of 42,000 psi (290 MPa)

• 10% elongation capability (vs. 0% for cast iron)

1. Manufacturing Excellence
   Modern centrifugally cast pipe production ensures:

• Consistent wall thickness (±3% tolerance)

• Internal diameter accuracy within 1mm

• Automatic quality control systems

• 100% hydrostatic testing of every pipe section

1. Corrosion Protection Systems
   The corrosion resistant pipe features multiple protection layers:

• Standard cement mortar lining (minimum 1.5mm)

• External zinc coating (≥130g/m²)

• Bituminous top coat

• Optional polyethylene encasement for aggressive soils

1. Performance Advantages
   Compared to alternative materials, DI pipe offers:

• 2x the impact resistance of PVC

• 3x the beam strength of concrete pipe

• 5x the tensile strength of cast iron pipe

• 10x the fatigue resistance of steel pipe

1. Municipal Water Pipe Applications
   DI pipe dominates urban water systems because:

• Handles working pressures up to 350 psi (24 bar)

• Accommodates surge pressures up to 500 psi (34 bar)

• Available in 3-64 inch diameters (DN80-DN1600)

• Standard 6m lengths minimize joints

1. Sewage Pipe Performance
   In wastewater applications, DI pipe provides:

• Superior resistance to HS corrosion

• Abrasion resistance for slurry transport

• Watertight joints (tested to 13 psi/90kPa)

• Long-term structural stability

1. Pipeline Infrastructure Benefits
   For comprehensive water systems, DI pipe delivers:

• 100+ year service life expectancy

• Lowest life cycle cost of any pipe material

• Minimal maintenance requirements

• Full recyclability at end-of-life

1. Installation Advantages
   The high strength pipe facilitates:

• Trenchless installation methods

• Direct tapping under pressure

• Flexible jointing systems

• Adaptability to difficult terrain

1. Global Standards Compliance
   DI pipe meets all major international specifications:

• ISO 2531 (International)

• EN 545/598 (European)

• AWWA C151 (American)

• AS 2280 (Australian)

1. Sustainability Features
   Modern DI pipe production emphasizes:

• 90-100% recycled material content

• Energy-efficient manufacturing

• Zero wastewater discharge

• Carbon-neutral production options

1. Future Innovations
   Emerging DI pipe technologies include:

• Smart pipes with embedded sensors

• Advanced polyurethane linings

• Robotic inspection systems

• AI-powered corrosion monitoring

1. Economic Value Proposition
   While initial costs are higher than some alternatives, DI pipe offers:

• 30-50% lower lifetime costs than PVC

• 40-60% savings versus concrete

• 50-70% advantage over steel

1. Case Study Evidence
   Documented performance includes:

• Boston water system (installed 1956, still in service)

• Tokyo sewer network (99.98% reliability)

• London water mains (leakage rate <5%)

1. Technical Comparison Table

Parameter	DI Pipe	Cast Iron	PVC	Steel
Tensile Strength (psi)	60,000	20,000	7,000	70,000
Pressure Rating (psi)	350	250	150	Varies
Impact Resistance (ft-lb)	30	5	15	25
Corrosion Resistance	Excellent	Good	Excellent	Poor
Life Expectancy (years)	100+	50-70	50-75	30-50

1. Conclusion
   As the cornerstone of modern pipeline infrastructure, ductile iron pipe combines centuries of metallurgical knowledge with cutting-edge manufacturing to deliver unparalleled performance in water supply pipe and sewage pipe applications. Its unique combination of high strength, corrosion resistance, and longevity ensures DI pipe will remain the material of choice for municipal water pipe systems well into the 21st century. The continued evolution of centrifugally cast pipe technology promises even greater advancements in pressure capacity, installation efficiency, and smart water network integration.

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High-quality Ductile iron Pipe Parameters.
Specification	K7 Wall Thickness/mm		K8 Wall Thickness/mm		K9 Wall Thickness/mm		Theoretical Weight/Ton
	Nominal Wall Thickness	Minimum Wall Thickness	Nominal Wall Thickness	Minimum Wall Thickness	Nominal Wall Thickness	Minimum Wall Thickness
DN80	/	/	/	/	6	4.7	0.077
DN100	4.2	2.9	4.8	3.5	6	4.7	0.095
DN150	4.55	3.25	5.2	3.9	6	4.7	0.144
DN200	4.9	3.6	6.5	4.3	6.3	4.8	0.194
DN250	5.25	3.95	6	4.7	6.8	5.25	0.255
DN300	5.6	4.3	6.4	4.8	7.2	5.6	0.323
DN350	5.95	4.65	6.8	5.15	7.7	6.05	0.403
DN400	6.3	4.6	7.2	5.5	8.1	6.4	0.482
DN450	6.65	4.9	7.6	5.85	8.6	6.85	0.577
DN500	7	5.2	8	6.2	9	7.2	0.669
DN600	7.7	5.8	8.8	6.9	9.9	8	0.882
DN700	8.4	6.4	9.4	7.6	10.8	8.8	1.123
DN800	9.1	7	10.4	8.3	11.7	9.6	1.394
DN900	/	/	11.2	9	12.6	10.4	1.691
DN1000	/	/	12	9.7	13.5	11.2	2.017
DN1200	/	/	13.6	11.1	15.3	12.8	2.758
DN1400	/	/	15.2	12.5	17.1	14.4	3.669
DN1500	/	/	16	13.2	18	15.2	4.175
DN1600	/	/	16.8	13.9	18.9	16	4.668
DN1800	/	/	18.4	15.3	20.7	17.6	5.803
DN2000	/	/	20	16.7	22.5	19.2	7.043
DN2200	/	/	21.6	18.1	24.3	20.8	8.332
DN2400	/	/	23.2	20.3	26.1	22.4	9.822
DN2600	/	/	24.8	20.9	27.9	24	11.392
K7, K8, and K9 are all calculated based on the same theoretical weight.

 

Pressure - Bearing Performance Parameters of Ductile Iron Pipes
DN	DE(mm)	Pressure Rating	Radial Rigidity (KN/M²)	Nominal Wall Thickness (mm)	PFA MPA	PAM MPA	PEA MPA
DN80	98	C40	856	4.4	4.0	4.8	5.3
DN100	118	C40	481	4.4	4.0	4.8	5.3
DN125	144	C40	271	4.5	4.0	4.8	5.3
DN150	170	C40	163	4.5	4.0	4.8	5.3
DN200	222	C40	84	4.7	4.0	4.8	5.3
DN250	176	C30	52	4.9b	3.0	3.6	4.1
DN300	326	C30	34	5.1	3.0	3.6	4.1
DN350	378	C30	44	6.3b	3.0	3.6	4.1
DN400	429	C25	34	6.5b	3.0	3.6	4.1
DN450	480	C25	23	6.5b	2.5	3.0	3.5
DN500	532	C25	17	6.5	2.5	3.0	3.5
DN600	635	C25	17	7.6b	2.5	3.0	3.5
DN700	738	C25	17	8.8b	2.5	3.0	3.5
DN800	842	C25	15	9.6	2.5	3.0	3.5
DN900	945	C25	15	10.6	2.5	3.0	3.5
DN1000	1048	C25	14	11.6	2.5	3.0	3.5
DN1100	1152	C25	14	12.6	2.5	3.0	3.5
DN1200	1255	C25	14	13.6	2.5	3.0	3.5
DN1400	1462	C25	14	15.7	2.5	3.0	3.5
DN1500	1565	C25	14	16.7	2.5	3.0	3.5
DN1600	1668	C25	13	17.7	2.5	3.0	3.5
DN1800	1785	C25	13	19.7	2.5	3.0	3.5
DN2000	2082	C25	13	21.8	2.5	3.0	3.5
DN2200	2288	C25	13	23.8	2.5	3.0	3.5
DN2400	2495	C25	13	25.8	2.5	3.0	3.5
DN2600	2702	C25	13	27.9	2.5	3.0	3.5
DN2800	2908	C25	13	29.9	2.5	3.0	3.5
DN3000	3115	C25	13	31.9	2.5	3.0	3.5

Q1: Are you trading company or manufacturer ?
A1: We are factory.

Q2:Can I go to your factory to visit?
A2:Of course, we welcome customers from all over the world to visit our factory.

Q3: How long is your delivery time?
A3: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to
quantity.

Q4:What is the advantage about your company?
A4:Our company has professional team and professional production line.

Q5: The logo and the color can be customized?
A5: Yes, we welcome you to sample custom

Q6: Any other good service your company can provide?
A6:Yes,we can provide good after-sale and fast delivery.

Q7:What product information do I need to provide?
A7:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.

Q8:Does the product have quality inspection before loading?
A8:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.we accept the third party inspection absolutely.
 

Factory Introduction
We are a specialized ductile iron pipe manufacturing factory based in Shanxi, China. With a rich heritage of over 20 years in this industry, we have established ourselves as a reliable and experienced player in the global market.
Our ductile iron pipes have found their way to numerous countries across the globe. This wide - reaching export network is a testament to the trust that our international customers place in our products. The quality of our pipes has been recognized and praised by various sectors. We adhere to strict international quality standards, and our production facilities are equipped with state - of - the - art technology to ensure precision and consistency.
Each batch of our products undergoes rigorous quality control checks. We conduct comprehensive tests on factors such as pipe strength, pressure - bearing capacity, and corrosion resistance. This meticulous approach to quality control has earned us a reputation for delivering products that are not only durable but also perform optimally in diverse applications, whether it's for water supply, gas transmission, or other infrastructure projects.