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Combined vane pump ZYB-50/ZYB-80 has two upper cover structures A & C to choose, suitable for connecting different pipelines. With built-in oil and gas separator and relief valve, this kind of pumps have advantages of low noise, large flow and long lifespan. Working Process of Vane Pump When the high-pressure oil output by the vane pump enters the oil-gas separation pipe from the oil outlet of the pump, under the action of the deflector at the inlet of the oil-gas separation pipe, most of the oil advances in a spiral shape along the inner wall of the oil-gas separation pipe. Finally, it flows from the oil outlet of the oil-gas separation pipe to the oil outlet valve. The gas mixed in the oil is less dense than the oil, so it is concentrated in the middle of the official cavity, and finally discharged from the oil-gas separation pipe to the normal pressure cavity. After the oil-gas mixture enters the atmospheric chamber, the gas floats up, discharged into the atmosphere through the exhaust pipe. And the oil is stored in the normal pressure chamber. When the oil accumulates to a certain amount, the float floats up, driving the connecting rod to open the oil return valve, and the oil flows to the low pressure chamber through the oil return valve. While when the oil level drops to a certain height, the float falls back under the action of gravity, the oil return valve closes the valve, and the oil return function stops. When the rotor rotates continuously, the vane pump outputs a certain pressure and flow of oil. The size of the oil delivery pressure depends on the pressure adjustment state of the relief valve and the load resistance. And the pressure oil coming out of the vane pump enters the oil-gas separation pipe for oil-gas separation. Part of gas-free oil coming out of the oil-gas separation pipe will return to low-pressure chamber through relief valve. And the other part will enter the flowmeter via the oil outlet valve. When fuel nozzle is open, the load resistance would be small, and the pressure oil overcomes the spring force of the oil outlet valve and enters flow meter from the oil outlet valve, and the relief valve is closed or slightly opened. When fuel nozzle is closed, the oil pressure rises, then relief valve is completely opened. Next the pressure oil in the high-pressure chamber flows through relief valve to the inlet of vane pump and recirculates. Usually, the pressure and output flow of hydraulic system can change by adjusting the stud of relief valve.
This commercial hot water heat pump is the best solution for hot water supply of commercial project, and can work with advantages of high safety, stability, much convenience, energy saving, and environment friendly, which assures 24 hours comfortable hot water using. It is widely used in hot water project of school, hotel, hospital, supper market and other large building, which needs large water volume supply. Commercial hot water heat pump series Model YINI-050S-RS Heating mode Circulating+Direct heat Ambient temp.range Rated heating capacity 18KW COP 4W/W Max. Running Current 9.7A Power supply 380V 3N 50Hz IP Code IPX4 Safety function High and low pressure protection, Overload protection, Temperature protection, Power phase sequence protection, etc. Refrigerant type/weight R407C/2.0kg Compressor QTY 1 PCS Compressor type Scroll Max. outlet water temperature 60 Water side heat exchanger type Casing/high efficiency tank Direct heat waterpipe nozzle G1 Internal thread (inch) Circulating waterpipe nozzle G1 Internal thread (inch) Air out type Top discharge Fan motor QTY 1 PCS machine dimension Packing dimension Net weight 130KG Gross weight 150KG Detailed Images Main Features 1) Copeland scroll compressor, quiet and high efficiency. 2) High efficiency heat exchanger. 3) 600 stage adjustment precision electronic expansion valve. 4) Schneider electrical components. 5) Intelligent controlling system. 6) Intelligent EE valve, excellent efficiency at different ambient temp. 7) Easy installation and LCD operation. 8) Automatically defrosting. Optional: R410a, R22, R407c refrigerant is available.
Swimming Pool Heat pump are specially designed and engineered for pool or spa water temperature control. Intelligent control system are let the units high efficiency and stable working performance. The COP could be 6.8 which saves at least 80% energy compared with traditional electric swimming pool heating equipments. Suitable for large pools in hotel, public parks, schools, sport center, gyms, etc. enter, gyms, etc. Wholesale Constant Temperature Heater Swimming Pool Heat Pump Main Features 1) PVC Titanium heat exchanger with full resistance against corrosion, more durable. 2) Compact structure, easy demountable for access. 3) High efficiency compressor, saving energy. 4) Flow switch for water flow protection. 5) Intelligent controller and adjustment by quick mind microprocessor. 6) Intelligent LCD display wired controller. 7) Air exchanger (fins-coil )with hydrophilic coating. 8) Automatic defrosting function included. Optional: R410a, R32, R407c refrigerant is available. Model YINI-010-YC Heating mode Circulating Ambient temp.range Rated heating capacity 7.8KW COP 6.7W/W Rated input power 1.15KW Max. Running Current 5.9A Power supply 220V-240V 1N 50Hz IP Code IPX4 Safety function High and low pressure protection, Overload protection, Temperature protection, Power phase sequence protection, etc. Refrigerant type R32 Compressor QTY 1 PCS Compressor type Scroll outlet water temperature 28 Heat Exchanger Titanium Air Flow Direction Horizontal Automatic defrosting by 4 way valve Casing Material ABS plastic Rated water flow 2.5 mh Air out type Top discharge Fan motor QTY 1 PCS Noise 56 dB(A) machine dimension Packing dimension Net weight 44kg Gross weight 55kg
