Key Features:
Innovative Alloy Valve Plate: The unique airway design envelops the high-temperature zone with low-pressure suction gas, drastically reducing discharge temperatures and boosting capacity.
Triple Oil Filter System: Integrated with three filters to maximize filtration area, ensuring abundant lubrication and minimizing mechanical wear even if the oil is contaminated.
Optimized Cylinder Cooling: Specialized gas passages effectively lower cylinder head temperatures and instantly vaporize inhaled liquid to prevent liquid hammer.
Ideal Applications: Commercial cold rooms, quick-freezing tunnels, and heavy-duty industrial refrigeration requiring both medium-high and ultra-low temperatures.
Parameters:
| Bitzer Model | VOCKE Model | Cylinders | Displacement (m³/h) | Motor Power (HP) | Key Advantage |
| 2CES-4Y | VK4FC-3S | 4 | 18.1 | 3 | Cost-Optimized |
| 4FES-5Y | VK4EC-4S | 4 | 22.7 | 4 | Fast Dispatch |
| 4PES-12Y | VK4NCS-12S | 4 | 56.2 | 12 | Heavy-Duty |
| 4NES-20Y | VK4H-15S | 4 | 73.7 | 15 | High COP |
| 6GE-40Y | VK6F-40S | 6 | 151.6 | 40 | Industrial-Grade |
Notes:Cost-Equivalent Performance. Achieves matching cooling capacity and COP at a significantly reduced procurement cost. Fully Serviceable Semi-Hermetic Design. On-site valve plate replacement and motor rewinding without factory return — maximizing system uptime. Short Lead Time. Standard models stocked in Shanghai for immediate dispatch vs. extended factory order waiting periods.
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