Twin screw extruder

Plastic Pipe Extrusion Machine

Plastic Pipe Extrusion Machine

The efficient plastic pipe extrusion machine launched by Nanjing Kelongwell Chemical Machinery Co., Ltd. is designed specifically for polyolefin materials such as HDPE and PPR.
The plastic extruder adopts high torque screws and precision control system, achieving low energy consumption and high stability operation while ensuring homogenization of the melt.
The device has a high degree of modularity and is widely used in municipal water supply and drainage, building heating and other fields, providing you with professional and reliable pipe extrusion solutions.

Features

Product Overview

This efficient polyolefin plastic pipe extrusion machine is designed specifically for the continuous production of high-quality plastic pipes. As the core equipment of our plastic extruder product line, this pipe extrusion solution is precisely positioned for high stability and precision production of HDPE, PPR, PE-RT and other pipes. It combines German craftsmanship concepts with industrial grade reliability, making it an ideal choice in the fields of municipal engineering, building water supply and drainage, and industrial transportation, helping customers achieve efficient and low-cost plastic extrusion production.

 

Core Features

·High torque energy-saving extruder: equipped with a specially designed barrier screw, this plastic extruder not only ensures excellent plasticizing and mixing effects, but also significantly reduces the melt temperature, and can increase production by up to 25% compared to traditional designs.
·Precision vacuum shaping system: using a multi chamber stainless steel vacuum box and advanced water circulation technology to achieve rapid and uniform cooling, ensuring strict wall thickness tolerances are maintained throughout the entire pipe extrusion line during production.
·Servo driven traction device: A servo controlled tracked traction machine with precise speed synchronization and stable and reliable traction force, effectively avoiding deformation of pipes due to uneven force during plastic extrusion.
·Intelligent PLC control system: Humanized HMI touch screen operation interface, centrally controls all process parameters, supports real-time monitoring, data recording, and formula storage, making the operation and management of plastic extruders more convenient and accurate.

Plastic Pipe Extrusion Machine

Technical parameters

Model

Diameter
(mm)

L/D

Screw Speed
R/Min

Power
(KW)

Capacity
(kg/h)

KLWE-35

35.6

32-48

300-600

22-37

60-160

KLWE-50

50.5

32-48

300-600

55-90

120-300

KLWE-65

62.4

32-48

300-600

90-132

200-700

KLWE-75

71

32-48

300-600

132-220

400-1200

KLWE-95

93

32-48

300-600

280-415

800-3000

Noted: Details depend on your requirements and need.

 

Equipment advantages

Choosing the plastic extruder from Nanjing Kelongwell Chemical Machinery Co., Ltd. for pipe extrusion means you have gained a significant competitive advantage. Our equipment uses bimetallic barrels and nitriding screws, which greatly extend its service life even when processing abrasive materials such as fiberglass. Compared to ordinary extrusion lines, the core advantage of our plastic extrusion equipment lies in its excellent melt homogeneity, which can directly reduce scrap rates and raw material losses. In addition, modular design makes later upgrades easier, ensuring that your plastic pipe extrusion machine always maintains technological leadership. We focus on improving operational efficiency and reducing downtime to bring you higher investment returns.

 

Application Fields

This plastic extruder production line is widely used in the following industries:
·Municipal engineering: Production of HDPE water supply pipes, gas pipes, and drainage and sewage pipes.
·Construction engineering: Manufacturing PPR hot and cold water pipes, underfloor heating pipes, and electrical conduit.
·Industrial field: Processing chemical conveying pipes, mining wear-resistant pipes, and cable protective sleeves.
·Agricultural irrigation: extruded irrigation pipes, drip irrigation belts, etc.

 

Customized services (OEM/ODM)

Nanjing Kelongwell Chemical Machinery Co., Ltd. is well aware that each production target has its own uniqueness. We provide comprehensive OEM and ODM services to tailor plastic extruder systems to your specific needs. Whether it's optimizing the screw structure for special raw materials, adjusting the production line direction based on workshop layout, or integrating downstream equipment such as co extrusion, our engineering team will work closely with you to design a pipe extrusion solution that fully meets your production needs.

 

Frequently Asked Questions (FAQ)

Q1: What are the differences between your company's plastic extruder used for pipe production and ordinary general-purpose extruders?
A: Unlike the general plastic extruders used in the fields of profiles, sheets, etc., our plastic pipe extrusion machine adopts barrier screws with higher aspect ratios and reinforced gearboxes. This design can provide lower melt temperature and higher pressure stability under high-speed extrusion conditions, thereby ensuring the concentricity and dimensional accuracy of large-diameter pipes. At the same time, the downstream shaping and cooling system has been specifically optimized for the circular structure of the pipes and the need for rapid cooling.


Q2: Can this pipe extrusion line process both HDPE and PPR materials simultaneously without extensive replacement?
A: Sure. Our plastic extruder has fully considered the universality of raw materials in its design. The screw optimized specifically for polyolefins can efficiently process HDPE and PPR. For customers who frequently switch raw materials, we also provide quick change screw and barrel components that can quickly switch between different raw materials, thereby maximizing the flexibility of plastic extrusion production.


Q3: How does the control system help reduce waste generated during startup?
A: Our advanced PLC system is equipped with a "one click start" sequence and recipe management function. When switching between different pipe diameters or raw materials, the system can automatically retrieve the historical optimal process parameters (temperature, speed, vacuum degree, etc.), significantly reducing the length of waste products during the trial stage, ensuring that the plastic extruder quickly enters a stable production state, and effectively reducing material loss.


Q4: What customization can be done for special pipe diameter specifications?
A: Nanjing Kelongwell provides complete customized services for plastic pipe extrusion machine, including selecting the appropriate screw diameter and motor power based on the target production volume; Design specialized molds (head, sizing sleeve) for non-standard pipe diameters; Configure the form of tractor and cutting machine according to the length of the pipe and stacking requirements. We consider each plastic extrusion project as a unique engineering customization.


Q5: What are the contents of equipment after-sales service?
A: We provide comprehensive after-sales support, including installation guidance, on-site debugging, and operator training. After sales service includes a 12-month warranty period, remote fault diagnosis services, and fast spare parts supply for vulnerable parts such as screws, barrels, and heating coils. Ensure that your plastic extruder and plastic pipe extrusion machine are always in optimal operating condition, minimizing production interruptions to the greatest extent possible.

 

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