• Detail
  • I. Product Definition and Structure
    Name: Prefabricated Direct-Buried Insulation Tee (divided into polyurethane insulation type and steel sleeve steel steam insulation type)
    Core Structure:
    Inner Working Tube: Carbon steel material (such as Q235, 20# steel), capable of carrying hot water / steam media;
    Insulation Layer: Polyurethane rigid foam (suitable for ≤150℃ hot water) or ultra-fine glass wool (suitable for ≤350℃ steam), achieving low thermal conductivity insulation;
    Outer Protective Tube: High-density polyethylene (HDPE) or anti-corrosion steel pipe, the black layer in the picture, serving the functions of anti-corrosion, waterproofing, and resisting external pressure;
    Interface Sealing: The red part is the sealing anti-corrosion layer, used to protect the insulation integrity of the welded interface and prevent moisture from invading.
    II. Core Characteristics
    High-efficiency Insulation: The heat loss rate of the insulation layer is ≤5% (hot water type) / ≤2% (steam type), meeting the energy efficiency requirements for long-distance pipeline transportation;
    Comprehensive Adaptability: Can be directly buried underground (without need for trench) or used for ground pipelines, suitable for various installation environments in municipal / industrial settings;
    Long Service Life: The anti-corrosion outer protective tube + sealing layer design, with a service life of ≥30 years, reducing maintenance costs in the future;
    Prefabricated Integration: Manufactured in the factory, only welding connections are required on-site, shortening the project duration.
    III. Application Scenarios
    Mainly used in urban centralized heating pipelines, industrial steam transportation systems, regional heating projects, etc., it is a key component for achieving media diversion (such as the main pipeline dividing into branch lines) or convergence in the pipeline system.

About Chongyuankai Pipeline


The company is a professional manufacturer of pressure pipeline equipment and accessories. It can produce high, medium and low pressure pipe fittings and flange products of different materials according to American standards, European standards and industry standards, with an annual production capacity of 400,000 tons. The products are used in petroleum, petrochemical, offshore oil, electricity, chemical, thermal power, shipbuilding, natural gas and other industries. The main markets are distributed in China, Asia (East Asia/Southeast Asia), Europe, Africa and the Middle East.

Advanced equipment, modern management, high-quality steel raw materials.

We create innovative solutions to the demands of our business partners with our expert R&D team and engineers.

We have many years of export experience and sold to more than 30 countries.

Production
Production
Detection
Detection

FAQ


Can I have my own custom product?

Yes. oem and odm can be provided, including design, logo, packaging, etc.

What is the minimum order quantity?

It depends on the product.

What are the terms of payment?

Wire transfer or letter of credit, Western Union, Alipay, etc.

When is the delivery time?

Inventory orders within 7-15 days, for oem and odm orders, the specific time depends on the actual situation.

Can I take samples for testing?

Yes, samples can be sent for testing before bulk ordering.

Do you have pre-shipment inspection procedures?

Yes, we always test the products before delivery.

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