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Qingdao Huashida Machinery Co., Ltd.
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Continuous PU Foam Pre Insulated Steel Pipe Production Line

Continuous PU Foam Pre Insulated Steel Pipe Production Line

Brand Name Huashida
Model Number 110.250.350
Place of Origin China
Minimum Order Quantity 1
Price 1000000
Payment Terms T/T
Supply Ability 100set a year
Delivery Time 90 weeks
Packaging Details Standard packaging
Certification CE, Rohs,TUV
Detailed Product Description

Product Description

PU spraying PE winding pre-insulated pipe production line


Production line introduction
PU spraying PE winding pre-insulated pipe production line is used for the production of polyurethane prefabricated direct buried thermal insulating pipes, which are widely used in the field of heating, cooling, and crude oil transportation.



Product structure
Rigid polyurethane spraying polyethylene winding prefabricated direct buried insulation pipe is composed of working steel pipe for conveying medium, sprayed polyurethane rigid foam insulation layer and winding polyethylene outer casing. The product structure is shown in the figure below:




The scope of application of the insulation pipe
1. anti-corrosion, thermal insulation pipeline in the field of heating, cooling and crude oil transportation.
2. Medium temperature: ≤120°C (incidental peak value <140°C).
3. Medium pressure: ≤2.5MPa.
4. Laying method: It is mainly used for direct burial laying, and can also be used for trench or overhead laying of pipelines.




Advantages of Polyurethane spray insulation pipe:
1. The density of polyurethane is uniform and controllable.
2. Polyurethane rigid foam has no empty spaces.
3. The surface of polyurethane foam is rough, the shear strength (friction) to the polyethylene outer casing is greater than 200Kpa.
4. The thickness of the polyurethane insulation layer and the thickness of the polyethylene outer casing can be adjusted according to the design.
5. The production has a high degree of automation.

Products specification

No.

(DN)

The thickness of the insulation layer

Outer casing dia.

Min. thickness of the outer casing
150030-60598-6584.5
260030-60700-7605.0
370030-60790-8505.0
480030-60891-9515.5
590030-60992-10526.0
6100030-601093-11536.5
7110030-601194-12547.0
8120040-1001316-14368.0
9140050-1001538-16789.0
10162050-1001738-184010.0


Technical process



The spraying and winding production process ensures the uniformity of the density of the insulation layer, improves product quality, and reduces production costs.

PUF spray PE winding preinsulated pipe production line consists of the following parts:
1) Steel pipe outwall shot blasting line
2) Polyurethane spray molding line
3) Polyethylene sheet extruding winding line
4) Water cooling line
5) End-cutting equipment








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Product Tags: Continuous Pre Insulated Pipe Production Line   Pre Insulation Pipe Extrusion Line   Pre Insulated Steel Pipe Production Line  
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