2W(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. Carton:42*35*21.