DUCTILE IRON PIPES AND PIPE FITTINGS K7 CLASS DN1200

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Material : Ductile Cast Iron
Size Range : DN 80mm to DN 2000mm
Unit Effective Length : 6m or 5.7m
Manufacture Standard: ISO 2531:1998/ EN 545:2006/EN 598:2007
Annual capacity : 200,000 tons
Coating Exterior: Zinc 130g/m2 according to ISO 8179-1 and bitumen coating 70 microns.
Cement Interior: Portland Cement/ High Alumina Cement/ Sulphate Resisting Cement Lining according to ISO 4179
Special requirements on external coating and internal lining can be applied
We also provide accessories such as SBR/EPDM rubber gaskets, lubricant paste, pipe caps, PE sleeves, etc.

Additional Parts:

Each pipe is strictly inspected according to related standard to ensure permanently high performance.
Easy Installation at site and service free for life
Long Service Lifespan
Quotation will arrive you within 24hours once we get your inquiry.
We guarantee offering you a competitive price.
A copy of original inspection reports of pipes will be offered after shipment.
Photos of loading process will be sent to the customer after shipment effect.
We will follow-up the delivery progress after shipment effect and update to the customer on weekly basis.

Q:Can ductile iron pipe be used for underground storage tank systems?: Yes, ductile iron pipe can be used for underground storage tank systems. Ductile iron is a strong and durable material that is resistant to corrosion and can withstand the pressure and load requirements of underground storage systems.

Q:How do ductile iron pipes handle thermal expansion and contraction?: Ductile iron pipes are specifically designed to handle thermal expansion and contraction effectively. Due to their unique composition and structure, which includes graphite nodules in the iron matrix, these pipes have the ability to accommodate temperature variations without significant damage or distortion. The graphite nodules act as flexible joints, allowing the pipe to expand and contract without cracking or breaking. This characteristic makes ductile iron pipes highly resistant to the stresses caused by thermal fluctuations, ensuring their long-term durability in various temperature environments.

Q:Can ductile iron pipe be used for underground fire protection systems?: Yes, ductile iron pipe can be used for underground fire protection systems. Ductile iron is known for its strength, durability, and corrosion resistance, making it a suitable material for such applications. It can withstand high pressures and temperatures, ensuring reliable and long-lasting performance in underground fire protection systems.

Q:How to control mortar proportioning in ductile iron pipe cement coating: The mixing ratio of ductile iron pipe cement coating mortar is indicated on the design drawings, and the amount of raw material can be calculated according to mortar varieties and mixture ratio.

Q:Do rigid cement cast iron pipes need cement piers?: Ductile weakness: ductile cast iron pipes connected by human factors such as the operation level of responsibility, influence, construction not convenient. The advantages of PE PE PE pipe has good corrosion resistance and its anti inorganic performance than that of the metal pipe is much stronger in the buried without corrosion, construction convenient. Small diameter PE pipe in the price performance ratio is better than that of steel and ductile iron.PE tube have disadvantages: benzene, gasoline, carbon tetrachloride and other organic solvents have certain effect on pe. If the organic solvent is infiltrated into the polyethylene, the swelling will occur, and its physical properties will be decreased. Its pressure resistance and temperature resistance are poor.

Q:DN300 how long is it for water polo and iron pipes?: Cast iron pipe (Cast Iron Pipe) with the cast iron casting pipe cast iron pipe for water supply and drainage gas pipeline pipe fittings including cast iron casting with fatigue strength by continuous cast iron pipe from the cast iron pipe from the cast iron pipe sand metal two according to material with grey cast iron pipe, ductile iron pipe at the interface with flexible sealing interface LAN interface, self anchored interface, interface of the rigid flexible cast iron pipes rubber ring;

Q:Can ductile iron pipes be repaired if damaged?: If there is any damage to ductile iron pipes, they can indeed be repaired. The process of repairing them involves several steps. Firstly, it is necessary to identify and isolate the damaged section of the pipe. Once this has been accomplished, the damaged portion of the pipe is typically cut out and removed. Subsequently, a new section of pipe is inserted and connected to the existing pipeline using appropriate methods such as welding or mechanical jointing. The repaired section is then tested to guarantee its integrity and functionality. It is important to note that the repair process may vary depending on the extent and nature of the damage. Therefore, it is always advisable to seek advice from professionals who specialize in ductile iron pipe repairs to ensure a proper and effective restoration is achieved.

Q:Fire water supply network adopts ductile iron pipe, the test pressure should be no more than MPa: Strictly speaking: the outer pipe network and the internal pipe network are the same. Minimum fire 1.0MPa, minimum sprinkler 1.4MPa. Because not only in accordance with the water pump, but also take into account the pressure on the fire engine.

Q:How can the old water pipe ductile iron pipe be opened with three flanges?: First, the new process adopted; groove connection. With groove pieces, of course, ductile iron pipes should also be grooved pipes.Two, the old process1. dozen to lead lead; cut into strips, with a file play in the interface2. use expanded cement with asbestos3 use the asphaltBecause the interface material used in the old process is poisonous, especially in the water supply pipeline, environmental protection requires a new process now.

Q:What is the external coating used in ductile iron pipes?: The external coating used in ductile iron pipes is typically made of a protective material such as zinc or asphalt. These coatings are applied to the surface of the pipe to provide corrosion resistance and protect the iron from the surrounding environment. Zinc coatings, such as hot-dip galvanizing, are commonly used due to their excellent corrosion resistance properties. Asphalt coatings, on the other hand, provide a durable and flexible barrier against corrosion and abrasion. The choice of coating depends on factors such as the intended application, environmental conditions, and the specific requirements of the project.

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