polyurethane foam filled hdpe casing thermal insulation pipe fitting with reducing tee
polyurethane foam filled hdpe casing thermal insulation pipe fitting with reducing tee
polyurethane foam filled hdpe casing thermal insulation pipe fitting with reducing tee
polyurethane foam filled hdpe casing thermal insulation pipe fitting with reducing tee

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polyurethane foam filled hdpe casing thermal insulation pipe fitting with reducing tee

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Product description

  Introduction of the company    Hebei Huidong Pipeline Co., Ltd. is a professional enterprise which produces insulation pipes, pipe fittings, polyethylene pipes and pipe installation construction. The company is located in Cangzhou City, Hebei Province, was founded in September, 1984. With the rapid development, the independent legal person was registered in June, 2008, with the capital of 60 million RMB. The company has the area of 139000 square meters and 216 staffs, among which, 39 engineering and technical personnel, including 3 senior engineers.    The company has 8 insulation pipe production lines. Each year 1800 kilometers of DN50-DN1680 insulation pipes are produced. There are 137 sets of production and testing equipment, annual production pipe fittings of 360 thousand pieces ande 6 advanced polyethylene pipe production lines. We use the most advanced international technology such as spiral mold extrusion, vacuum sizing, spray cooling and automatic cutting, etc. 40 thousand tons of Φ90-1800 polyethylene outside pipes are produced every year.       Specifications of the product     Polyurethane insulation layer  

Item

Performance

Reference standard

Core density

≥60 kg/m³

CJ/T114-2000 EN253

Radial compression intensity

≥0.3 Mpa

CJ/T114-2000 EN253

High-temperature water absorbing rate

≤10%

CJ/T114-2000 EN253

Hole blind rate

≥88%

CJ/T114-2000 EN253

Thermal conductivity

≤0.033 W/m.k

CJ/T114-2000 EN253

    Main properties of finished pipe  

Item

Performance

Reference standard

Increase of external diameter

≤2%

CJ/T114-2000 EN253

Impact resistance performance

No obvious crack of the outer sleeve

CJ/T114-2000 EN253

Axial shear strength

0.12 Mpa (23±2℃)

0.08 Mpa (23±2℃)

CJ/T114-2000 EN253

    PE outer protecting tube  

Item

Performance

Reference standard

Density

940 kg/m³

CJ/T114-2000 EN253

Carbon black content

2.5%±0.5%

CJ/T114-2000 EN253

Tensile yield strength

19 Mpa

CJ/T114-2000 EN253

Break elongation

≥350%

CJ/T114-2000 EN253

Longitudinal shrinkage rate 

≤3%

CJ/T114-2000 EN253

Long-term mechanical property

≥1500 h

CJ/T114-2000 EN253

     Structure of the product             Our patant technology             Photos of the production equipments               Certifications          
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