
Pneumatic PU Polyurethane Spray Injection Machine Fd-311A. 3-Year Comprehensive Warranty: Covers all mechanical defects with free spare parts for 3 years. High Precision Quantitative Filling: Achieves filling accuracy up to 2ml for small molds and buoys. Advanced Pneumatic Proportioning: Compact design with independent block heaters for rapid heating. Imported Stable Components: Uses imported electronic components and seals for long-term stability. Multi-Mode Operation: Supports both ordinary spraying and precise quantitative filling modes. Safety Protection Systems: Includes voltage protection and leakage protectors for safe operation. Versatile Voltage Support: Compatible with 110V/220V single-phase and 380V/400V three-phase. Proven Global Reliability: Best-selling model with stable performance for over 15 years.