K9 Grade Centrifugal Ductile Iron Pipe, Ductile Iron Pipe for Water Supply

• Customization: Available
• After-sales Service: One Year
• Warranty: One Year
• Model NO.: GB/T13295
• 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

Product Description

Ductile Iron Pipe: The Engineering Marvel Transforming Global Water Infrastructure

1. The New Era of Pipeline Technology
In the 21st century's infrastructure landscape, Ductile Iron Pipe (DIP) - alternatively termed Nodular Cast Iron Pipe or Spheroidal Graphite Cast Iron Pipe - has emerged as the gold standard for pressurized water systems. This advanced evolution of traditional Cast Iron Pipe combines centuries of metallurgical knowledge with cutting-edge manufacturing techniques to create piping solutions that outperform alternatives in durability, safety, and cost-effectiveness.

2. The Science Behind Superior Performance
The breakthrough in Ductile Cast Iron Pipes lies in their unique molecular structure:
• Graphite nodules uniformly dispersed in a ferritic matrix
• Yield strength exceeding 42,000 psi
• Impact resistance 10x greater than conventional cast iron
• Maintains excellent corrosion resistance despite enhanced strength

3. Precision Manufacturing Process
Modern Centrifugally Cast Ductile Iron Pipes benefit from:
• Automated foundry systems with real-time quality monitoring
• Computer-controlled centrifugal spinning for perfect wall consistency
• Advanced heat treatment for optimal microstructure development
• Robotic finishing for precise dimensional accuracy

4. Complete System Solutions for Every Need
Engineers can specify fully integrated DIP systems including:
• Flanged Ductile Iron Pipe for critical mechanical connections
• Socketed End Ductile Iron Pipe with advanced gasket technology
• Custom Pipe Fittings for complex network configurations
• Specialized adapters for transition to other materials

5. Advanced Protection Technologies
Modern Pipe Coating systems provide multi-layer defense:
• Interior linings:

• Cement mortar with controlled permeability

• Epoxy coatings for aggressive water chemistries

• Polyurethane for extreme conditions
  • Exterior protection:

• Zinc-aluminum alloy base coating

• Bonded polyethylene outer layer

• Custom solutions for unique soil conditions

6. Unmatched Performance in Water Distribution
Municipalities worldwide choose DIP because it delivers:
• Hydraulic efficiency maintained for decades
• Joint systems with 99.9% leak-free performance
• Earthquake resistance through flexible joints
• Minimal maintenance requirements over 100+ year lifespan

7. Compliance and Certification
All production meets the most stringent global standards:
• ISO 2531 for dimensional and pressure requirements
• EN 545 for European water applications
• AWWA C151 for North American utilities
• Additional certifications available for specialized applications

8. The Sustainable Choice
DIP leads in environmental responsibility:
• 95% recycled material content
• 40% lower carbon footprint than alternative materials
• Fully recyclable at end of service life
• Energy-efficient manufacturing processes

9. Future-Ready Infrastructure
Emerging technologies enhance DIP systems:
• Smart pipe systems with embedded sensors
• Advanced joint monitoring technology
• Automated installation equipment
• Predictive maintenance capabilities

Conclusion: Engineering Excellence for Generations
As water infrastructure faces increasing demands from population growth and climate change, Ductile Iron Pipe stands ready to meet these challenges. Its proven performance, combined with continuous innovation, ensures it will remain the material of choice for water distribution systems worldwide.

Specification Guidance
For optimal project outcomes:
• Consult early with DIP manufacturers
• Consider full lifecycle costs, not just initial price
• Select Pipe Coating systems matched to your environment
• Leverage manufacturer expertise for system design

This version provides deeper technical details while maintaining readability, incorporates recent advancements in the field, and positions DIP as both a current solution and future-ready technology. All specified keywords are naturally integrated while offering fresh content distinct from previous versions.

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.