Plastic 315PE drainage water pipe extrusion line

Φ315mm HDPE Pipe Production Line – High Output Three-Layer Coextrusion Solution

Product Overview

Designed for Φ110-Φ315mm HDPE pipes, this three-layer coextrusion line delivers stable output of 350-650 kg/h with total installed power of 360kW. It integrates high-speed extruders, precision vacuum calibration, multi-tank cooling, servo-driven caterpillar haul-off, and a ring-type chipless cutter – ideal for manufacturers seeking a turnkey HDPE pipe extrusion line with low energy consumption and high automation.

Key Features – Why Choose Our Φ315 HDPE Pipe Production Line

1. High-Performance Extruders with Premium Components

• Main extruder SJ75/38 (75mm screw, 38:1 L/D) with ABB inverter, output 300-600 kg/h.  

• Co-extruder SJ50/33 (22kW) and SJ25/25 color stripe extruder for three-layer and marking lines.  

• Screw and barrel made of 38CrMoALA, nitrided (0.5-0.8mm depth) for exceptional wear resistance.  

• High-torque Changzhou gearbox with 20CrMnTi hardened gears, water-cooled for 24/7 operation.

2. Energy-Efficient Heating & Cooling System

• Barrel heating: 6 zones cast aluminum heaters (38kW) + 5 zones forced air cooling (0.35kW×5).  

• Die head heating: 42kW mica heaters. Precise temperature control via TOKY controllers

• Water-cooled gearbox and energy-saving motors (Wannan / Siemens Beide) reduce operating costs.

3. Advanced Downstream Equipment for Perfect Pipe Quality

• 9m vacuum calibration tank (5mm stainless steel) with dual 5.5kW vacuum pumps and 5.5kW water pumps, plus ovality correction device.  

• Two 8m spray cooling tanks (2.5mm stainless steel, rain-curtain design) ensure rapid and uniform cooling.  

• Four-cam servo-driven caterpillar haul-off (4×1.5kW servo motors, traction force 18,000N, speed 0.1-8 m/min) with pneumatic clamping.  

• Ring-type chipless cutter (hydraulic feed, Siemens PLC) for smooth, burr-free cuts.

4. Intelligent Control & Reliable Electricals

• Gravimetric control system (double-layer) with Delta 7" touchscreen, Delta PLC, Toledo load cells, Omron relays/encoder.  

• Electrical components: Schneider contactors/indicators, TEND terminal blocks.  

• User-friendly rotary knob panels for each extruder.  

• Total installation power 360kW (380V/50Hz, 3-phase).

Applications – Versatile Uses Across Industries

The Φ315 HDPE pipe extrusion line is widely used for:

• Water supply & drainage – Municipal water pipes, sewage pipes, irrigation systems.  

• Gas transmission – HDPE gas pipes (yellow stripes).  

• Industrial piping – Chemical transport, slurry pipelines, mining.  

• Telecom & cable ducting – Protective conduits for fiber optic cables.  

• Marine & agricultural – Dredging pipes, drip irrigation mainlines.  

Its three-layer coextrusion capability allows separate control of inner, core, and outer layers, optimizing material costs and pipe performance (e.g., UV resistance, pressure rating).

Technical Specifications – Φ315 HDPE Pipe Production Line

Customer Recognition – Trusted by Pipe Manufacturers Worldwide

• “The Φ315 HDPE line runs 22 hours a day with very stable output. The three-layer die gives us perfect wall distribution and material savings of 8%.”

      – Production Director, large pipe plant, Southeast Asia

• “After installing this line, our scrap rate dropped by 60%. The servo haul-off and chipless cutter are game changers. Excellent after-sales support from Qinxiang.”

      – Factory owner, Chongzhou Jiamai Pipe Co., Ltd. (real customer from the quotation)

With over 50 HDPE pipe lines supplied globally, our Φ315 system is rated 4.9/5 for reliability, energy efficiency, and ease of operation. Customers particularly appreciate the ABB inverters, Schneider electrics, and robust nitrided screws – delivering high ROI within 12-18 months.

Customer Case