PU-Coated PE Winding Pre-Insulated Pipe Production Machine

• Customization: Available
• After-sales Service: Technical Service with Free,Training The Workers
• Warranty: 12 Months
• Model NO.: HSD
• Type: Coating Production Line
• Coating: Coil Coating
• Certification: CE, ISO, RoHS, REACH
• Condition: New
• Material: PE
• Coating Structure: Puf Insulation Layer, PE Outer Casing
• Transport Package: Standard Package
• Trademark: HSD
• Origin: Qingdao China
• HS Code: 8468800000
• Production Capacity: 50 Units/Month

Product Description

 

Product Description

PUR Spray PE Wrap Pre-Insulated Pipe Production Line for Energy Efficiency


Production line introduction
Polyurethane spraying polyethylene wrapping 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
1	500	30-60	598-658	4.5
2	600	30-60	700-760	5.0
3	700	30-60	790-850	5.0
4	800	30-60	891-951	5.5
5	900	30-60	992-1052	6.0
6	1000	30-60	1093-1153	6.5
7	1100	30-60	1194-1254	7.0
8	1200	40-100	1316-1436	8.0
9	1400	50-100	1538-1678	9.0
10	1620	50-100	1738-1840	10.0

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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