Name: Automated PLC Control Pre-Insulated Pipe Production Line with High-Pressure Foaming Machine for 500-1600mm Diameter Range
Brand: Qingdao Huashida Machinery Co., Ltd.
SKU: Polyurethane Foam Machine
Price: 1,507,500.00 USD
Availability: InStock

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Features

Specifications

Raw Material: HDPE

Pipe Structure: Carrier Steel Pipe-Polyurethane Foam-HDPE Winding

Rust Removal Quality: ≥2.5 Grade

Foaming Machine: High-Pressure Foaming Machine

Highlight:

500-1600mm Diameter Range Pre-Insulated Pipe Production Line

High-Pressure Foaming Machine Polyurethane Spray Foam Pipe Machine

Automated PLC Control HDPE Winding Pipe Equipment

Basic Infomation

Place of Origin: QINGDAO,CHINA

Brand Name: HUASHIDA

Certification: CE, ISO9001:2008

Model Number: Polyurethane Foam Machine

Payment & Shipping Terms

Packaging Details: Wodden Box

Delivery Time: 60days

Payment Terms: L/C

Supply Ability: 30 Sets/Year

Gallery

Automated PLC Control Pre-Insulated Pipe Production Line with High-Pressure Foaming Machine for 500-1600mm Diameter Range

Product Description

PU Spray Foaming HDPE Winding Pre-Insulated Pipe Production Line

Pipe Diameter Range: 500-1600mm

The PU spray foaming HDPE wrapping pre-insulated pipe production line is specially designed for manufacturing polyurethane pre-insulated direct buried pipes. These pipes are widely used in district heating networks, cooling systems, and crude oil transportation projects.

Main Features of PU Spray Pre-Insulated Pipe:

Uniform and adjustable polyurethane foam density ensures stable insulation performance.
The rigid polyurethane foam is fully filled without voids or air gaps.
The polyurethane foam surface is rough, providing strong adhesion to the polyethylene outer jacket, with shear strength exceeding 200 kPa.
Both the polyurethane insulation thickness and HDPE outer casing thickness can be customized according to project requirements.
Fully automated production process with high efficiency and stable operation.

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

Main line Composition of the polyurethane coating steel preinsulated pipe equipment:

No.	name
1	External wall Shot blasting rust removel machine
2	Medium-frequency induction heating furnace
3	Polyurethane spray foaming unit
4	pipe rotator trolley
5	Single screw extruder and diehead mould
6	Finished pipe ends trimming machine
7	pipe Conveyers and racks
8	Electrical system and PLC

Production line equipment Photos show
Automated PLC Control Pre-Insulated Pipe Production Line with High-Pressure Foaming Machine for 500-1600mm Diameter Range 4
Rust Removal
First, the surface of the steel pipe is derusted, usually by shot blasting or sand blasting, to ensure that the surface is clean and free of rust, oil and other impurities. Preheating: The cleaned steel pipe is preheated so that the subsequent polyurethane foam can better adhere to the steel pipe surface.

Polyurethane spray molding line

The polyurethane raw materials (isocyanate and polyol) are mixed in a high-pressure foaming machine and evenly sprayed onto the surface of the preheated steel pipe. The polyurethane raw materials rapidly foam on the surface of the steel pipe, forming an insulating layer.

Polyethylene sheet extruding winding line

Polyethylene (PE) is wrapped around the polyurethane insulation layer to form an outer sheath. Cooling and shaping: The wrapped pipe is cooled and shaped to ensure that the outer sheath and insulation layer are tightly bonded to form a stable structure.

PE Jacket Water quenching

Wrapped finished pipe

Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3LPE anticorrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,collaborating closely with Beijing University of chemical technology, Qingdao university of technology and scientific research institutions. by absorbing advanced technology home and abroad, after 22 years of endeavor we now rank one of the top 3 manufacturers in the industry in China. Huashida machines have been well received in Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, etc.

Automated PLC Control Pre-Insulated Pipe Production Line with High-Pressure Foaming Machine for 500-1600mm Diameter Range 10

Tag:

Contact Person :	Mr. Lily
Tel :	+8615969839906
Fax :	86-532-80999083

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