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China factories

China factory - Qingdao Huashida Machinery Co., Ltd.

Qingdao Huashida Machinery Co., Ltd.

  • China,Qingdao ,Shandong
  • Verified Supplier
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  2. Pre-Insulated Pipe Production Line>
  3. Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe
China Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe
China Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe

  1. China Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe
  2. China Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe
  3. China Pre Insulated Pipe Plastic PE HDPE LDPE Casing Pipe Extruder Machine PE Pipe

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

  1. MOQ： 1
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Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
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 ISO9001
Place of Origin Qingdao，Shandong，China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram 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 ISO9001 Place of Origin Qingdao，Shandong，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 24*3*3m
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:

  1. 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.
  2. 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.
  3. 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

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory

  • Business Type:

    Manufacturer

  • Year Established:

    2003

  • Total Annual:

    3000000-5000000

  • Employee Number:

    100~200

  • Ecer Certification：

    Verified Supplier

  1. Our Factory Qingdao 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...   1. Our Factory Qingdao 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...

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Get in touch with us

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

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