Neptune 500-E Series Hydraulic Metering Pumps offers an economical alternative to the standard 500 Series pumps or a packed plunger type pump.
     MATERIALS OF CONSTRUCTION  |    316SS  PVC  PVDF   |  
   DIAPHRAGMS  |  PTFE |  
   CAPACITY  |    2 gph (7.50 L/h) to 34 gph (129 L/h)   |  
   MAX PRESSURE  |    1,100 psi (75.8 bar)   |  
   STANDARD MOTOR  |    1/3HP-1ph-115VAC-60c-TEFC   |  
   MAX TEMPERATURE  |    316SS - 200°F (93°C)  PVC - 125°F (52°C)  PVDF - 125°F (52°C)   |  
  
 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
  - Totally enclosed fan-cooled motor with built-in automatic thermal overload