2WA(Large Aperture)Series Two-position Two-way Direct Drive Type Solenoid Valve Feature 1. Adopting straight-action diaphragm structure without pressure starting enlarges its applicable scopes. 2. Adopting plate diaphragm structure with reliable start and close lengthens the service life of the product. 3. Selecting plastic sealed coil improves the safe application of this product under many environments. Specification Model 2WA160-10 2WA160-15 2WA200-20 2WA250-25 2WA350-35 2WA400-40 2WA500-50 Working Medium Air,Water,Oil Motion Pattern Direct Drive Type Type Normal Close Type Aperture of Flow Rate mm 16 20 25 35 40 50 CV value 4.8 7.6 12 24 29 48 Joint Pipe Bore 3/8 1/2 3/4 1 11/4 11/2 2 Operation Fluid Viscosity 20CST Below Working-pressure Air：0~1.0Mpa；Water：0~0.7Mpa；Oil：0~0.7Mpa Max.Pressure Resistance 1.0Mpa Operating Temperature -5~80℃ Voltage Range ±10% Material of Body Brass Material of Oil Seal NBR or VITON