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High-Pressure PU Foaming Machine 25-60kW | Precision Insulation Pipe Production Line
Advanced impingement mixing, 10-20 MPa injection. Self-cleaning head eliminates solvents. Siemens PLC stores 99 programs. 200-500L tanks, accuracy under 0.5 pct. CE/ISO 9001/TUV. Request free quote!
- Overview
- Technical Specifications
- Application Scenarios
- Service and Support
- Recommended Products
Overview
Why High-Pressure PU Foaming Defines Insulation Quality
Impingement mixing beats low-pressure every time. This high-pressure PU foaming machine forces Polyol and Isocyanate through a mixing head at 10-20 MPa where they collide in a controlled chamber. The result is perfectly uniform foam cell structure with superior thermal insulation. More importantly, the high-pressure mixing head is self-cleaning: a mechanical piston purges residual chemicals after every shot. No solvent flushing, no chemical waste, no cross-contamination between production runs. SIPLEC/Siemens PLC control stores 99 injection programs for instant recall.
◆ Self-Cleaning Mixing Head - No Solvents. High-pressure impingement mixing heads use a piston to purge residual chemicals after each injection. Zero solvent cost, zero chemical pollution, zero cross-contamination. This alone saves thousands in operating costs annually compared to low-pressure machines requiring solvent flushing after every cycle.
◆ High-Precision Metering - Under 0.5 pct Accuracy. German or top-tier Chinese metering pumps maintain chemical ratio accuracy within 0.5 percent. This precision PU foaming machine ensures consistent foam density, hardness, and cell structure across every pre-insulated pipe batch.
◆ Siemens PLC - Store 99 Injection Programs. The intelligent touch-screen controller stores up to 99 different PU foaming recipes. Switch between pipe diameters, foam densities, and product types in seconds with instant recall of verified injection parameters.
◆ Integrated Temperature Control. Built-in heating and cooling systems maintain Polyol and Isocyanate at their optimal reaction temperatures regardless of factory ambient conditions. Consistent raw material viscosity means consistent PU foam quality shift after shift.
◆ 24/7 Continuous Production Ready. Heavy-duty industrial components, ABB motors, Schneider electrics, and integrated pump cooling system support non-stop three-shift PU foaming machine operation. Standard international parts simplify local maintenance anywhere.
High-Pressure vs. Low-Pressure PU Foaming Machine
Feature |
High-Pressure (Sanjie) |
Low-Pressure |
Mixing Method |
Impingement (collision mixing) |
Mechanical stirring |
Foam Uniformity |
Excellent - uniform cell structure |
Variable - bubbles and voids |
Cleaning |
Self-cleaning piston - no solvents |
Solvent flush every cycle |
Ratio Accuracy |
Under 0.5 pct (metering pumps) |
Under 1-2 pct |
Productivity |
Instant cycling - 99 stored programs |
Manual adjustment each product |
Operating Cost |
Lower - zero solvent cost |
Higher - solvents and labor |
Environmental |
Zero chemical waste |
Solvent disposal required |
Technical Specifications
|
Parameter |
Standard / Value |
|
Machine Type |
High-Pressure PU (Polyurethane) Foaming Machine |
|
Total Power |
25 kW - 60 kW (model dependent) |
|
Tank Volume |
200L / 300L / 500L (Polyol and Isocyanate tanks) |
|
Injection Pressure |
10 - 20 MPa |
|
Mixing Ratio |
1:1 (adjustable range via PLC) |
|
Metering Accuracy |
Under or equal to 0.5 pct |
|
Mixing Head |
High-pressure impingement, self-cleaning piston type |
|
Control System |
Siemens PLC touch screen with 99 stored programs |
|
Temperature Control |
Built-in heating and cooling system |
|
Major Components |
ABB motors, Schneider electrics, German/Chinese top-tier pumps |
|
Certifications |
CE, ISO 9001, TUV |
|
Warranty |
12 months on main components |
|
Packaging |
Industrial wooden case with moisture protection |
Application Scenarios
Pre-Insulated Pipe Production. The primary application: injecting PU foam between steel carrier pipes and HDPE outer casings. High-pressure foaming machine delivers uniform insulation density across every meter of pre-insulated pipe.
Sandwich Panels and Cold Storage. Continuous PU foaming machine production for cold room panels, wall cladding, and construction insulation boards. Quick recipe switching between panel types via PLC.
Appliance and Automotive Insulation. Precision PU foaming for refrigerator and freezer insulation, water heater foam, and automotive soundproofing components.
Trusted Across 110+ Countries
Our PU foaming machines serve pre-insulated pipe manufacturers, cold storage panel producers, appliance manufacturers, and automotive suppliers worldwide. CE, ISO 9001, and TUV certified for industrial safety. Remote video technical support and international spare parts available
Service and Support
|
Service Item |
Details |
|
Pre-Sales |
Model selection (25/40/60kW), tank sizing, pump brand recommendation, PLC feature consultation. |
|
Free Samples |
Video demonstration and complete spec sheet. Factory visit welcome. |
|
Production QC |
100% factory-tested: pressure accuracy, PLC programming, mixing head function. CE/TUV certified. |
|
Delivery |
7-21 days (industrial equipment). Wooden case packaging. EXW, FOB, CIF. |
|
MOQ |
Flexible per order. |
|
Technical Support |
Remote video installation guidance, operator training, PLC programming support, troubleshooting. |
|
After-Sales |
12-month warranty. Consumables always in stock. International standard components for local replacement. On-site engineer dispatch available for major projects. |
|
Payment |
T/T, L/C at sight. Flexible for long-term partners. |
|
OEM / ODM |
Custom power, tank size, PLC brand, and labeling available. |
