The 3T3700/3L3800 Series is a four seated valve which allows product to be mixed, diverted or shutoff with a three way valve. Each passageway is machined to reduce flow resistance. The “L” port is operated as a simple diverting valve and the “T” port configuration is versatile and offers more flow options for piping configurations. Available in sizes 1/4″ through 2″ standard port. ISO 5211 mounting paid, ideal for actuator or accessory mounting, standard.