Product advantage: High and low pressure automatic control: When recovering refrigerant, it can automatically detect the internal pressure of the inlet and outlet cylinders. When the pressure of the imported cylinder is too low, the equipment will automatically stop. Otherwise, when the internal pressure of the outlet cylinder is too high, The device automatically stops. To enable it again, simply press the reset switch. No personnel supervision is required to ensure the durability of the whole machine. Professional energy saving, environmental protection, recycling: The equipment can be equipped with oil and gas separators, which can separate the oil scale and other impurities in the recovered refrigerant, so as to ensure the performance of the refrigerant is unchanged, and can be reused many times. Convenience: The bottom of the device can be mounted with wheels for easy movement, light weight and small size for easy portability.