Profile: Ningbo Vista Import & Export Co., Ltd specializes in offering refrigeration components. We also offer solenoid valve, air source processing parts, cylinder, coil, pneumatic accessories, hydraulic components, auto parts, hardware machinery parts, valves and other related products. ECB-20 is an electrical control box especially designed for refrigerant units. These are easy to operate, stable and offer reliable performance. SV-XZ series discharge solenoid valve is a kind of capacity regulator generally installed in the cylinder lid of compressors. These discharge solenoid valves give automatic unloading adjustment of refrigeration compressor according to the capacity of evaporator. It can match the power of compressor with the requirement of refrigeration amount, and also saves energy. Model HV unloading solenoid valve is a direct-operated valve. It is used in the compressor of the freezer, cold store and air conditioning unit. It can automatically unload in accordance with the decrease of heat load so that it can save the compressor energy and extend the service life of compressor. The valve seat of these unloading solenoid valves are well sealed with perfect sealing performance.