In Solenoid Valve flow has been increased by up to 80%, Allowing the valve size to be reduced. A built-in strainer in the pilot valve prevents trouble caused by foreign matter. By using H-NBR seal material for the main valve and seals, Ozone resistance has been improved. Side, top and bottom port/pipe directions are available to allow flexible installation. The SY is available in body ported or base mounted styles and can be used individually or manifold mounted.