Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe

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Payment Terms	T/T
Delivery Time	2months
Packaging Details	according to the actual condition
Calibration Method	Vacuum Calibration
Material Of Barrel	38CrMoAlA
Pipe Range	110-2000mm
Cooling Method	Water cooling
Production Scope	Product Line
Place	Indoor
Brand Name	Huashida
Certification	CE, Rohs，TUV
Place of Origin	China

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Product Details
Company Details

Product Specification


Payment Terms	T/T	Delivery Time	2months
Packaging Details	according to the actual condition	Calibration Method	Vacuum Calibration
Material Of Barrel	38CrMoAlA	Pipe Range	110-2000mm
Cooling Method	Water cooling	Production Scope	Product Line
Place	Indoor	Brand Name	Huashida
Certification	CE, Rohs，TUV	Place of Origin	China
High Light	Pre Insulated PE Pipe Machine ，Pre Insulated HDPE Pipe Machine ，Pre Insulated LDPE Pipe Machine

Pre-Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe Making Machine

gas/oil /water pipeline Puf Pre-Insulated Pipe PE shell casing plastic Machinery

HDPE Jacket Pipe Extrusion Line is high-efficient with high speed and energy saving for producing HDPE thin wall pipe, which is used as a protective cover of PU foam thermal Pre-insulated Pipe according to international standard.
The HDPE jacket pipe is produced by vacuum calibrating method with smooth internal and external wall, long service life, good anti-corrosion insulation and mechanical performance.

Working Conditions

Electric source	3 380V(-10%,+5%)50Hz
Total power	~160kW
Cooling water	≤20ºC,≥0.3Mpa, 26~30 m³/h
Compressed air	0.4m³/min,>0.5MPa
Dimension	2433m
Material	HDPE granules

Technical Prameters:

Style	PE-365/760	PE-420/960	PE-850/1372
Main extruder	SJ-90/33	SJ-90/33	SJ-120/33
Pipe diameter	Φ365-960mm	Φ 420-Φ 960 mm	Φ 850-Φ 1372 mm
Capacity	550-700kg/h	550~700 kg/h	700~900 kg/h
Installed power	360kw	380 kw	440 kw
Length	35m	36 m	40 m

The production steps of the insulation layer for a pre-insulated pipe, specifically focusing on the polyurethane (PU) foam insulation, are outlined below in detail:

Formation of the Casing Structure:
- The steel pipe is first inserted into the high-density polyethylene (HDPE) outer protection pipe, creating a casing structure.
- Supports are evenly arranged in the annular space between the steel pipe and the HDPE outer pipe to maintain a uniform distance and prevent the two pipes from touching directly.
- The two ends of the casing are sealed with flanges to ensure that the polyurethane foaming material will be contained within the space during the injection process.
Preparation of the Steel Pipe Surface:
- Prior to the injection of the insulation material, the surface of the steel pipe undergoes pre-treatment such as shot blasting or blast cleaning. This step removes any impurities, rust, or scale, providing a clean and suitable surface for optimal adhesion of the polyurethane insulation.
- Additionally, corona treatment of the polyethylene pipe shell's surface may also be performed to enhance its adhesion properties.
Injection of Polyurethane Foaming Material:
- The casing structure is hoisted onto a foaming platform specifically designed for this purpose.
- A high-pressure foaming machine is used to inject the polyurethane foaming material into the casing. The material expands and fills the entire annular space between the steel pipe and the HDPE outer pipe.

Company Details

Bronze Gleitlager

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and

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from Quality China Factory

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Business Type:

Manufacturer 


Year Established:

2003 


Total Annual:

3000000-5000000


Employee Number:

100~200 


Ecer Certification：

Verified Supplier 

1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a... 1. company profileQingdao Huashida Machinery Co., Ltd. is located in Qingdao High & New Technology Industrial Area- Qingdao Huashida industrial Park, covers an area of about 4000 square meters. We have tens of years experience in plastic pipe, sheet, and board extrusion lines, and pipe joints a...

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Qingdao Huashida Machinery Co., Ltd.
69 Jinsheng Second Road Chengyang District, Qingdao, Shandong, China
https://www.pipecoatingline.com/

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