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Highlights
The most important parts of this unit is the Mixing head, Nozzle, High Pressure Pump and the Temperature Control of main components, Polyol and ISO.
The high Pressure PU foaming machine is the crucial unit for proper panel production
The flow volume of 4 components is measured and displayed and indicated on monitor
The mixed PU material is outputted from outlet pipe of the mixing head onto the lower facing layer while moving crosswise along the Foaming Portal
This machine mainly consists of
- 1 set of piping and flexible hose incl. mixing head
- 2 sets flow meter for Iso and Polyol
- 2 sets of Iso and Polyol pressure gauge for delivery side
- 2 components metering system for Iso and Polyol - A2VK 28cc
- 2 sets mixing chambers
- 1 set of Pentane mixing unit by static mixer at near mixing head
- 2 sets for filter for Iso and Polyol
- 2 sets feeding pump from machine tanks to metering pumps
- 1 set of Air loading unit
- Necessary accessories and parts
- 2 sets of tank station
- 2 sets x 300 liter for Polyol & Iso
- 2 Temperature control system incl. heater for Iso & Polyol tanks
- 4 Level gauge for all tanks
- 2 Heat exchanger for Iso & Polyol work tank
- 2 Feeding pump
- All piping and flexible hose, fitting.
- Necessary accessories and parts
- Chiller for Iso & Polyol work tanks (30RT) ------- Buyer scope

Company and Service Advantages:
2. The company has a professional The Adjuster team, 24 hours to provide uninterrupted after-sales service.
(1) Installation and debugging
Equipment arrived at the customer workshop, according to the flat layout of our equipment. We will arrange experienced technicians to install, debug and test-produce the equipment, and make the equipment reach the rated production capacity of the production line.
(2) Training
Our company provides technical training for our customers. The training includes the structure and maintenance of the equipment, the control and operation of the equipment, experienced technicians will guide and establish the training program. After training, the buyer's technical personnel can master the operation and maintenance of the equipment, can adjust the process and deal with different failures.
3. After-sales quality problems within 2 hours to answer, if the telephone video guidance can not be solved, domestic 24 hours to send engineers to the site to solve the problem.
4. Factory direct sales price concessions, 40,000 square meters factory, 20 years of Export Enterprises, CE certification, patents more than 100 items







ITEMS |
TYPE/UNIT |
SP-PU-C |
Line Dimensions - L × W × H |
mm |
20000 × 50000 × 7000 |
Total Power |
w |
70000 |
Net Weight of Production Line |
kg |
70000 |
Production Line Speed |
m/min |
0-4.5 |
1. The optimum process design covers the whole range of PU system. It has been used over 20 years in the field of PU machines and plant engineering on all kinds of high pressure PU metering machines without any trouble and problems.
2. We provide three kinds of PU sandwich panel production line as L-type, Straight type, and heads for continuous panel. All of PU sandwich panel production line are available as multi components as 2 to 6 components.


We are the first drafter of the China National Standards for 3D Panel.
We cooperated with a German manufacturer where the first EPS block molding machine in the world was produced in 1960.
We have a joint venture with Alessio Hi-tech, a leading Italian company for shape molding and pre expansion technology of EPS and EPP.
We have Korean Hi-tech for continuous sandwich panel line with core in Polyurethane, Mineral Wool, Phenolic or EPS. Ten overseas branch offices are responsible for the worldwide sales and after-sales services.
We warmly welcome friends and all those who are interested in our products and services to visit our factories in Shanghai, China.




Product Features and Design
The Reliable Performance High Pressure PU & PIR Foaming Machine employs a high-pressure metering and mixing architecture specifically optimized for polyurethanes (PU) and Polyisocyanurate (PIR) formulations. This device combines durable pumps, precision flow meters, and a computer-controlled proportional valve system to achieve exact A/B component ratios even under fluctuating supply conditions. The machine’s heart is a high pressure foam system manifold that maintains steady pressure across all lines, ensuring uniform foam density and minimizing defects in finished panels or molded parts.
Key features include:
- Dual-component metering pumps with sealed piston technology for accurate dispensing and extended maintenance intervals.
- High-precision mass flow meters and temperature compensation modules to stabilize reaction kinetics for both PU and PIR chemistries.
- A programmable logic controller (PLC) with touchscreen HMI for recipe management, real-time monitoring, and remote diagnostics.
- Hardened stainless steel mixing chamber with static or dynamic mixing heads tailored for rigid PIR and flexible PU formulations.
- Modular frame and quick-change components for rapid conversion between PU foaming equipment and PIR insulation machinery configurations.
- Integrated safety systems, including pressure relief, automatic shutoffs, and leak detection sensors, to protect operators and equipment.
Applications and Industry Uses
This high pressure foam system is ideal for a wide array of industrial applications. In the building and construction sector, the machine supports continuous panel production lines and batch processing of rigid insulation boards. For manufacturers producing refrigeration units, cold storage panels, and HVAC components, the Reliable Performance High Pressure PU & PIR Foaming Machine provides the consistent cell structure and thermal performance required by industry standards. It also benefits producers of molded foam parts, composite sandwich panels, and specialty insulation products where dimensional stability and thermal resistance are critical.
Specific application areas:
- Rigid PIR insulation board production for residential and commercial building envelopes.
- PU foaming equipment deployments in refrigerated truck panels, cold room panels, and insulated container manufacturing.
- High-pressure foam systems for sprayed-in-place insulation where controlled reaction rates are needed.
- Production of sandwich panels and laminated composites requiring precise core densities and adhesion.
Innovation and Technological Advantages
Shanghaizhongji’s approach emphasizes innovation in flow control, energy use, and process automation. The Reliable Performance High Pressure PU & PIR Foaming Machine integrates several proprietary enhancements to traditional PU foaming equipment and PIR insulation machinery to improve yield and reduce downtime.
Innovations include:
- Advanced pressure-balancing technology across the high pressure foam system to prevent uneven flow and ensure consistent polymerization, which is especially important for PIR formulations that require precise blowing-agent control.
- Adaptive mixing head technology that automatically adjusts mixing intensity based on viscosity and temperature feedback, improving cell structure uniformity for both PU and PIR outputs.
- Smart energy management that reduces compressor and heating load during low-demand cycles, positioning this energy-efficient foaming machine as a cost-saving option for continuous and intermittent production schedules.
- A self-cleaning cycle triggered by recipe changeover or idle periods, minimizing manual cleaning and reducing cross-contamination when switching between PU and PIR chemistries.
Technical Advantages and Performance Metrics
The Reliable Performance High Pressure PU & PIR Foaming Machine demonstrates superior technical performance across critical production metrics. Accuracy of component ratio control is maintained within narrow tolerances, translating into consistent thermal conductivity, mechanical strength, and dimensional accuracy in finished parts. The system’s closed-loop control responds to sensor inputs in real time, correcting deviations without operator intervention. For high-throughput operations, this translates to higher yield and fewer rejects.
Notable technical advantages:
- Metering accuracy that ensures repeatable part quality and minimizes raw material waste.
- Rapid response times in pressure and temperature regulation, essential for controlling exothermic reactions in PIR chemistry.
- Low maintenance design with easy access to wear parts and replaceable pump cartridges, reducing downtime and lifecycle costs.
- Scalable architecture enabling integration with upstream raw material supply and downstream cutting, lamination, or packaging lines.
Energy Efficiency and Environmental Considerations
Environmental responsibility is a core design driver. The machine’s thermal management system reduces energy consumption during warm-up and steady-state operation, while the optimized high pressure foam system minimizes overuse of blowing agents and reactive components. The reduced scrap rates and precise dosing afforded by this PU foaming equipment and PIR insulation machinery help manufacturers lower material footprint and overall production emissions. Additionally, the control system supports data logging for regulatory compliance and continuous improvement initiatives.
Service, Support, and Customization
Shanghaizhongji offers comprehensive support, including installation, commissioning, operator training, and preventive maintenance programs. The Reliable Performance High Pressure PU & PIR Foaming Machine is available in multiple configurations to meet diverse capacity requirements. Customization options include different mixing head designs, integration of additional feed lines for catalysts or additives, and tailored software packages for recipe and production management. Remote monitoring and predictive maintenance modules are available to further minimize unplanned downtime.
Why Choose Shanghaizhongji’s Machine
Manufacturers seeking a reliable, high-performance solution for foam insulation and molded part production will find this machine aligns with operational and sustainability goals. The combination of precise PU foaming equipment, specialized PIR insulation machinery capabilities, and the robust high pressure foam system design makes this product a compelling choice for companies aiming to improve product consistency, reduce costs, and scale production responsibly. The energy-efficient foaming machine supports both established manufacturing environments and new production lines requiring tight process control and proven technology.
The Reliable Performance High Pressure PU & PIR Foaming Machine by Shanghaizhongji delivers an advanced, dependable platform for modern foam production. With its precision metering, adaptive mixing, and energy-conscious design, this high pressure foam system enhances quality, reduces waste, and supports a wide spectrum of insulation and foam product applications. Whether integrated as PU foaming equipment for flexible and rigid foams or deployed as PIR insulation machinery for high-performance thermal boards, Shanghaizhongji’s solution offers a future-proof investment for manufacturers focused on performance, efficiency, and scalability
