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Plastic pipe extruder

Model SJ-30 SJ-65 SJ-80 SJ-90 SJ-105 Screw Diameter (mm) 30 65 80 90 105 Length-to-Diameter Ratio 25:1 25:1 25/30:1 25/30:1 25/30:1 Motor Power (kW) 2.2 7.5 11–15 15–18.5 22 Machine Center Height (mm) 850 850 850 1000 1100 Screw Speed (r/min) 60 60 60 60 60 Output (kg/h) 5–8 40–80 80–150 150–250 220–330 Features: Modularization and Specialization Modular production of plastic extruders can accommodate the specific requirements of different users, shorten new product development cycles, and help capture a larger market share. Meanwhile, specialized manufacturing allows for fixed-location production or even global sourcing of individual system modules and components, which greatly benefits overall quality assurance, cost reduction, and accelerated capital turnover. High Efficiency and Multifunctionality The high efficiency of plastic extruders is primarily reflected in their high output, low energy consumption, and reduced manufacturing costs. Functionally, screw-type plastic extruders are no longer limited to polymer material extrusion and compounding; their applications have expanded into fields such as food, feed, electrodes, explosives, building materials, packaging, pulp, ceramics, and more. Large-Scale and Precision Manufacturing Scaling up plastic extruders helps reduce production costs, with particularly clear advantages seen in large twin-screw pelletizing units, blown-film lines, and pipe-extrusion systems. Major technological equipment required for key national projects—such as the large-scale extrusion pelletizing unit that serves as one of the three critical pieces of equipment supporting major ethylene projects—has long relied on imports. Therefore, accelerating domestic production is essential to meet the needs of the petrochemical industry. Intelligent and Networked Operation In developed countries, plastic extruders commonly employ modern electronic and computer control technologies to monitor process parameters online—including melt pressure and temperature, barrel temperatures at various sections, speeds of the main and feeding screws, feed rates, raw material ratios, and motor current and voltage—and implement microcomputer-based closed-loop control. This approach significantly enhances process stability and improves product precision.

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Plastic pipe extruder

Model number	SJ-30	SJ-65	SJ-80	SJ-90	SJ-105
Screw diameter mm	30	65	80	90	105
Length-to-diameter ratio	25:1	25:1	25/30: 1	25/30: 1	25/30: 1
Motor power kW	2.2	7.5	11-15	15-18.5	22
Machine center height mm	850	850	850	1000	1100
Screw rotation speed r/min	60	60	60	60	60
Production rate kg/h	5-8	40-80	80-150	150-250	220-330

Features:

Modularity and Specialization

Modular production of plastic extruders can accommodate the specific requirements of diverse customers, shorten the R&D cycle for new products, and help capture a larger market share. Meanwhile, specialized manufacturing enables the systematic modules and components of extrusion equipment to be produced at designated locations or even sourced globally, which is highly beneficial for ensuring overall quality, reducing costs, and accelerating capital turnover.

High efficiency and multifunctionality

The high efficiency of plastic extruders is primarily reflected in their high output, low energy consumption, and reduced manufacturing costs. In terms of functionality, screw-type plastic extruders are no longer limited to the extrusion molding and compounding of polymeric materials; their applications have expanded into such fields as food, feed, electrodes, explosives, construction materials, packaging, pulp, and ceramics.

Large-scale and high-precision

Scaling up plastic extruders can reduce production costs, with particularly pronounced benefits in large‑scale twin‑screw pelletizing lines, blown‑film lines, and pipe‑extrusion lines. For key technological equipment required to support national priority projects, the large‑scale extrusion‑pelletizing unit—one of the three critical pieces of equipment for major ethylene plants—has long relied on imports; therefore, it is imperative to accelerate domestic production to meet the needs of the petrochemical industry’s development.

Intelligentization and Networking

In developed countries, plastic extruders have widely adopted modern electronic and computer control technologies to perform online monitoring of process parameters throughout the extrusion process—such as melt pressure and temperature, barrel temperatures at different zones, screw speeds of the main and feed screws, feed rate, raw material ratios, and motor current and voltage—and to implement microcomputer‑based closed-loop control. This approach is highly beneficial for ensuring stable process conditions and enhancing product precision.