Catalog excerpts
IWAKI ELECTROMAGNETIC METERING PUMPS The EWN-W series is a diaphragm type electromagnetic metering pump and features water quality control functions and multi voltage operation. PH, ORP(oxidation-re-duction potential), conductivity or cooling tower modes can be selected to customise the pump for specific applications. A large backlit LCD offers good legibility and the pump uses Iwaki's uniquely high stroke speed of 360spm. The EWN-W promises stable water quality control with fine flow adjustment in continuous chemical dosing situations. Controller variation WPO(pH/ORP), WEC(conductivity) and WCT(cooling tower) controllers are available. Also, the extra large LCD improves legibility and ease of operation. Stroke speed adjustment in 1spm increments allows fine flow adjustment between 1 and 360spm in continuous chemical feeding. Newly-designed adjustable tube fittings eliminate tube twisting when fastening. The EWN-W can be used in all countries thanks to the universal power supply(100-240VAC). Pump body The molded pump body with a minimum of sealing surfaces meets a high level (IP65 equivalent) of both waterproofness and dustproofness. The plastic casing cover further protects the pump when installed in severe environments. Wet-end material Solutions for chemical handling applications
Open the catalog to page 1IWAKI ELECTROMAGNETIC METERING PUMPS Pump identification Series symbol EWN series ^Drive unit symbol (Average power consumption) Wet-end material symbol For details, see the table of materials. VC,VH,PC,PH Controller function code The pH or ORP mode is user selectable for the WPO. The other modes are preinstalled to each controller. WPO: pH/ORP WEC: Conductivity WCT: Cooling tower ^ Special version code No symbol : Standard C: High compression type H: High pressure type Area symbol J: Asia E: Europe Note 1: The maximum discharge capacity of each model represents the figure when the pump is...
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