The production process of pre insulated pipes with HDPE cladding mainly includes the following steps:
1. Steel pipe preparation: Select appropriate specifications of steel pipes as the substrate, commonly including seamless steel pipes and spiral welded steel pipes.
2. Pipeline cutting: Cut the pre prepared steel pipe according to the design requirements and pipeline length. Ensure that the length of the pipeline meets the requirements, while ensuring that the incision is flat and free of burrs.
3. Pipeline welding: Weld the cut steel pipe. After welding is completed, slag removal and polishing should be carried out on the welded joint to ensure that the welding area is flat and firm.
4. Outer sheath: Thread the pre produced polyethylene outer sheath over the steel pipe and fix both ends with flanges.
5. Polyurethane raw material foaming: The polyurethane foaming material is sprayed onto the middle of the steel pipe and the outer protective pipe through specialized equipment. During the spraying process, attention should be paid to controlling the spraying amount to ensure uniform application of the insulation layer.
6. Insulation layer curing: After spraying polyurethane foam material, a certain period of curing is required. The curing time and temperature depend on the specific requirements of the polyurethane foam material. After complete solidification, the insulation layer can only exert its good insulation performance.
From feeding, to production, to transportation, every step is arranged. And the production time can be adjusted according to customer tension. At the same time, communication with the production workshop or the team has a long-term cooperative relationship, so it can better coordinate various aspects to ensure accurate and reliable supply time.
Application scope of pre insulated pipes with HDPE cladding: Insulation pipeline is widely used in liquid and gas transmission pipeline networks, chemical pipelines, insulation engineering, petroleum, central heating network, central air conditioning ventilation pipeline, municipal engineering, etc.
About us:
1.There are 10 production lines for pre insulated pipe with HDPE cladding. An annual production capacity of polyurethane insulation pipes are 2000km of DN20-DN1600mm .
2.The company is equipped with on-site construction vehicles, which can achieve power generation and high-pressure machine foaming, meeting various needs for on-site joint repair.
3.The company provides one-on-one technical support, equipped with on-site professional service teams, and provides full service.
4.All products of our company support customization. Please explain your needs before placing an order, and we will do our best to meet your personalized needs.
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