Sarjan Watertech India Pvt. Ltd. Manufactures Automatic Multiport Valve with Keyboard Locked Function. Sarjan Watertech India Pvt. Ltd. Holds ISO 9001:2000 quality assurance certifications. Automatic Multiport Valve with Keyboard Locked Function is a more reliable way of opening and closing / corrosion proof / no leakage. Automatic Multiport Valve with Keyboard Locked Function adopts LED dynamic colorful screen. This valve adopts two slice pieces of high hardness and extreme flat surface ceramic polished pieces as moving parts rotating relatively when turning handle clockwise or counter clockwise to get 3 different functions that are filter, back wash and rinse.