637-N8

Chemical Metering, Diaphragm Pumps, Injection / Dosing, Metering, Wastewater Treatment, High Pressure

Features and Benefits
• Ten turn micrometer dial calibrated in 1% increments, with the ability to adjust capacity from 10% to 100%
• Variable Oil By-Pass™ Stroke Adjustment provides a better valve performance when compared to variable linkage designs
• Bright color contrasted dial protected from corrosion by clear PVC Covering
• Stroke mechanism moves only when adjustment is made, eliminating wear
• Piston is powered through complete stroke length at all capacity adjustments, eliminating stress, wear and shock of lost motion designs
• EZE-CLEAN™ Valves, feature cartridges that can be removed for cleaning without disturbing the piping to the pump (available only in select models)
• Power train operates submerged in oil for extended service
• Accepts standard 56C motor
• Max capacity up to 240 gph (908.5 L/h)
• Max pressure up to 4,000 psi (275.8 bar)
• Capacity control options include electric stroke length adjustment and variable speed drives