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Reinforced Hose Extrusion Line

Reinforced Hose Extrusion Line

Applications

Braid Reinforced Hose Extrusion
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Description


TwinScrew’s PVC reinforced hose extrusion line is designed to produce high-strength PVC braided and steel-wire reinforced hoses.
Through stable plasticizing and precise braiding technology, the hoses achieve excellent flexibility and durability.
The inner layer is made of soft PVC, the reinforcement layer is polyester fiber or steel wire,and the outer layer is PVC coating, forming a three-layer structure with both flexibility and strength. These hoses are widely used in gardening irrigation, household water supply, industrial fluid delivery,construction applications, food processing, and medical equipment due to their abrasion resistance,pressure resistance, and chemical resistance.
ter fiber or steel wire, ensuring long-term performance and durability. The design balances flexibility with strength, making it suitable for demanding environments.


What Is a PVC Reinforced Hose Extrusion Line?


PVC reinforced hoses are generally composed of three layers: inner PVC hose → reinforcement layer → outer PVC coating.
A complete production process includes:

1. Inner layer extrusion:

A single-screw or twin-screw extruder melts the PVC material to form the inner tube. Co-extrusion can be used to produce multilayer structures.

2. Reinforcement braiding:

The braiding machine wraps polyester fiber or steel wire evenly around the tube, forming a mesh structure that significantly improves pressure resistance and tensile strength.

3. Outer layer extrusion:

The outer PVC layer is extruded and coated onto the braided layer, forming a complete hose.

4. Cooling and shaping:

The stainless steel cooling tank stabilizes the hose diameter and prevents deformation during the process.

5. Haul-off, cutting, and winding:

The haul-off unit provides stable pulling force, while the automatic cutter and winder complete accurate cutting and winding to improve packaging efficiency.

6. System control:

The entire line is centrally controlled by PLC for synchronized operation, ensuring stable production output, uniform hose dimensions, and consistent surface quality.


Key Advantages of TwinScrew PVC Reinforced Hose Extrusion Line


1. Stable plasticizing & uniform wall thickness:

The optimized single/twin-screw design stabilizes PVC material plasticizing and ensures uniform hose wall thickness and consistent quality.

2. High-strength braiding enhancement:

Using a high-speed reinforcement braiding machine significantly increases hose pressure resistance and tensile strength.

3. Accurate cooling & shaping:

The stainless steel cooling tank keeps the hose roundness and diameter stability, ensuring smooth surface quality without deformation.

4. Automatic cutting & winding:

Fully automatic cutting and winding system with flexible roll lengths, improving production efficiency and convenience.

5. Energy saving & high efficiency:

Optimized design reduces energy consumption and production costs while maintaining high-speed production.

6. Flexible configuration options:

Optional co-extruders, stripe markers, high-speed braiding machines, or additional cooling systems can be added to meet diverse product requirements.

7. High-quality materials & components:

Screws and barrels are made of high-strength alloy steel 38CrMoAlA with nitriding treatment.
Electrical components use SIEMENS, OMRON, and SCHNEIDER for long-term stability and durability.

8. Simple operation & easy maintenance:

The PLC control system integrates tension adjustment, braiding synchronization, and fault alarm functions, supporting real-time monitoring and reducing manual intervention.


Applications


  • Gardening and agricultural irrigation hoses
  • Household water supply hoses
  • Air compressor hoses and cooling-water hoses
  • Industrial fluid delivery and construction hoses
  • Food-grade and medical-grade hose applications (optional)


Line Configuration


The standard line includes:

  • Raw material drying and automatic feeding system
  • Single-screw / twin-screw extruder (inner and outer layer co-extrusion)
  • Die head and sizing sleeve
  • High-speed braiding machine (24 to 64 carriers)
  • Heating box or hot-air oven
  • Stainless steel cooling tank
  • Haul-off unit (belt-type or caterpillar-type)
  • Printing machine (marking / branding)
  • Automatic cutter and winder
  • PLC control system

Optional configurations include adding co-extruders, extended cooling tanks, or high-speed braiding machines to enhance production efficiency and product diversity.


Smart Automation & Control Interface


  • PC/PLC integrated control:
    Centralized control of extrusion, braiding, cooling, haul-off, cutting, and winding units.
    Supports recipe storage and rapid product switching.
  • Multi-zone PID heating control:
    Provides accurate temperature stability for each heating zone, maintaining consistent material plasticizing.
  • Automatic synchronization & tension control:
    Automatically adjusts braiding tension and haul-off speed to maintain uniform braid density and smooth hose geometry.
  • Automatic length measurement & safety protection:
    Includes length counting, fault alarms, and safety protection functions to improve operational safety and reliability.
  • Remote diagnostics & support:
    Optional remote troubleshooting helps resolve issues quickly and reduces downtime.


Specification Range


Item Specification
Hose Diameter 6mm – 75mm (approx. 1/4″ – 3″)
Braiding Carriers 24 – 64
Outer Layer Options Transparent / colored, optional stripes
Pressure Levels Multiple pressure ratings (customizable)
Optional Configuration Co-extrusion units, additional cooling tanks, high-speed winder
Line Speed Typically 6–15 m/min, depending on specifications


Why Choose TwinScrew?


1. Over 20 years of expertise in extrusion technology
2. Exported worldwide with installation and operation records across Asia, Europe, and the Americas
3. Local service teams offering prompt technical support and spare parts supply
4. Customer-oriented solutions tailored to diverse industry needs
5. Proven success across home appliance, construction, agriculture, and industrial sectors, with multiple certifications and recognition


FAQ


Q1: What is the difference between PVC Reinforced Hose and regular PVC hose?

Regular PVC hoses are usually single-layer and have limited pressure resistance.
PVC Reinforced Hose contains a braided reinforcement layer, significantly improving pressure resistance, tensile strength, and durability, making it suitable for industrial and high-pressure applications.

Q2: Can the production line manufacture steel-wire reinforced hoses?

Yes. Optional steel-wire braiding machines or multi-extrusion configurations allow the line to produce reinforced hoses for higher pressure and enhanced performance.

Q3: How is braid uniformity and hose quality ensured?

Tension control and speed synchronization ensure consistent braiding density.
The PLC system manages real-time monitoring and coordination with the haul-off speed, ensuring stable hose dimensions and high production quality.