XTLD4D12-56.25 is a high-displacement 12HP low-temperature 4-cylinder semi-hermetic compressor under XTLD British authorized refrigeration technology, with a maximum displacement up to 56.25m³/h, providing super strong low-temperature freezing capacity for aquatic product processing and deep freezing storage. This model is specially customized for the high-demand freezing working conditions of seafood, fish, shrimp and shellfish products, stably adapting to -22℃ to -28℃ ultra-low temperature freezing environment, which can quickly reduce the temperature to lock the fresh flavor of aquatic products, inhibit bacterial reproduction and realize long-term low-temperature fresh preservation. Adopting optimized 4-cylinder round machine structure, the compressor has uniform air intake and exhaust, stable compression pressure and strong liquid impact resistance, effectively avoiding liquid hammer damage common in aquatic quick-freezing equipment. The core crankshaft, valve plate and cylinder components are made of high-strength wear-resistant materials, with excellent anti-fatigue and anti-corrosion performance, adapting to humid and high-salinity harsh working conditions of aquatic processing workshops. All finished products pass strict high-pressure leakage test, vibration detection and full-load operation test, ensuring stable and efficient operation for 24 hours without shutdown. Compatible with R404A, R507A and other low-temperature special refrigerants, it has excellent low-temperature refrigeration efficiency and no attenuation of cooling capacity in ultra-low temperature environment. Widely used in large aquatic product processing plants, seafood quick-freezing workshops, fishery frozen storage and aquatic product cold chain logistics bases, this compressor solves the problems of slow temperature drop and poor fresh-keeping effect of ordinary compressors in aquatic freezing scenarios, and is a professional high-efficiency refrigeration equipment for global aquatic cold chain industry.