N75A Automatic Multiport Filter Valves Featuring a flow rate of 10m³/h, the N75A automatic multiport filter valve adopts a planar and corrosion resistant gasket for opening and closing. The different functions such as service, backwash and fast rinse can be realized through simple parameter modifications. The N75A1 is a timer clock type while the N75A3 is a meter type. Product Characteristics Simple structure and reliable sealing It adopts hermetic head faces with high degree pottery and corrosion resistance for opening and closing. It combines with Service, Backwash, and Fast Rinse. No water pass the valve in rinsing in single tank type Manual function Realize rinsing immediately by pressing “Manual/Return” at any time. Long outage indicator If outage overrides 3days, the time of day indicator “12:12”will flash to remind people to reset new time of day. The other set parameters do not need to reset. The process will continue to work after power on. LED dynamic screen display The stripe on dynamic screen flash, it indicates the control valve is in service; otherwise, it is in rinsing cycle. Buttons lock No operations to buttons on the controller within 1 minute, button lock indicator light on which represent buttons are locked. Before operation，press and hold the “Up”and“Down” buttons for 5 seconds to unlock. This function can avoid incorrect operation. Rinsing frequency It could set up multiple rinsing times, which means several times of backwash and fast rinse but one time of service. It is much better for cleaning the filter materials. All parameters can be modified According to the water quality and usage, the parameters can be adjusted. It can choose meter type or time clock type Remote handling input This connector can receive external signal, used together with PLC, and computer etc. to control the valve. Interlock function It has a function of interlock to realize only one valve in rinsing, but the other valves are in service while there are several valves parallel in system. In multi-steps treatment systems such as RO pre-treatment, when several valves are in series, there is only one valve in rinsing to ensure pass water all the times while different valves in rinsing.