Continuous Polyurethane Insulation Pipe Production Equipment with Anti-Corrosion Coating and Precision Foaming

Product Description

Product Description

The one-step polyurethane insulation pipe production line is a highly efficient and automated manufacturing system that integrates multiple processes-such as extruding the outer protective pipe and injecting insulation material-into a single continuous production line. This equipment is widely used in engineering projects requiring thermal insulation, such as district heating pipelines and oil transportation pipelines.

Key advantages include:

Integrated bonding of inner pipe, insulation layer, and outer sheath
Reduced manual operation with improved product quality consistency
Energy-efficient and suitable for large-scale industrial production.

Parameter	Specification
Steel Pipe Diameter Range	Φ48 - Φ630mm
Processing Capacity	≤250M²/h
Surface Cleaning Level	Sa2.5 (blast cleaning standard)
Raw Materials	Black Material (Isocyanate), White Material (Polyether Blend)
Insulation Pipe OD	Φ32 - Φ630mm (small diameter)
Layer Bonding Method	Jacket layer bonded to foam, foam bonded to anti-corrosion layer, and firmly bonded to steel pipe
Molding Process	One-step molding, compact structure

Features

Wide Material Compatibility
√ Supports epoxy powder and various anti-corrosion coatings; foam can be made from high-temperature polyurethane or asphalt black foam.
Simplified Process
√ Multi-layer structure formed in one step, with compact design, simple operation, and easy maintenance.
Energy Saving & Environmental Protection
√ Low cost, fast return on investment, high PE material utilization rate, no pollution-compliant with green manufacturing standards.
High Production Efficiency
√ Continuous operation with superior efficiency, low cost, energy saving, and zero environmental pollution compared to traditional methods.
High Precision Control
√ Rubber wheels prevent damage to the steel pipe surface; equipped with automatic deviation correction system for stable operation and consistent product quality.
Integrated Molding Technology
√ Strong bonding between inner pipe, insulation layer, and outer jacket ensures high structural strength and long service life.

Applications

Urban central heating networks
Oil and gas transmission pipelines
Thermal insulation projects in chemical and power industries
Seawater desalination and municipal water supply/drainage systems

Company Profile

Qingdao Huashida Machinery Co., Ltd was established in 2003. Since its inception, Huashida has focused on plastic polyurethane insulation pipe production line, 3PE anti-corrosion pipe production line, large diameter underground pipe production line and plastic pipe joints for 20 years. We always attach great importance to research and development,collaborating closely with Beijing University of chemical technology, Qingdao university of technology and scientific research institutions. by absorbing advanced technology home and abroad, after 20 years of endeavor we now rank one of the top 3 manufacturers in the industry in China.  Huashida machines have been well received in Saudi Arabia, Kazakhstan, Uzbekistan, United Arab Emirates, Turkey, Russia, etc.

Certifications