520-VS-N3-FA

Chemical Metering, Diaphragm Pumps, Injection / Dosing, Metering

Features and Benefits
• Handles viscous fluids of up to 5,000 cPs
• 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
• Totally enclosed fan-cooled motor with built-in automatic thermal overload
• Max capacity up to 29 gph (110 L/h)
• Max pressure up to 100 psi (8 bar)
• Materials of construction: 316SS with SS trim
• Multiple diaphragms: Standard flat and PTFE (PTFE withstands most chemicals)
• Large internal porting with a large, single ball, suction check valve
• Capacity control options include electric stroke length adjustment and variable speed drives