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Series 500 Economy in 316 Stainless

Neptune Series 500 Economy Metering Pumps

The Neptune Series 500 line of economy metering pumps offers an economical alternative to the standard Series 500 "dia-PUMP" or an opportunity to "step-up" from packed plunger pumps to a true hydraulic diaphragm pump at a modest cost increment.

Features:

  • Standard Motor: 1/3HP-1ph-115VAC-60c-TEFC
    Totally Enclosed Fan-Cooled with built-in automatic thermal overload protection
  • Capacity to 30 gph (113 lph);
    Pressure to 1100 psi (77 kg/cm²)
  • Available liquid end materials: Cast Iron, 316 Stainless, PVC, Kynar®
  • Variable Oil By-pass™ stroke adjustment allows improved valve performance over variable linkage designs.
  • Capacity control options include pneumatic or electric stroke length adjustment and variable speed drives.

Specifications are given below, or you can download product information for the Series 500 Economy Metering Pump line (PDF format) here:

  • Data Sheet (specifications, performance charts & dimensions)
  Series 500 Economy Specifications
Model
Number
Capacity
@ 100 PSI
Materials of
Construction
Maximum
Pressure
Piston
Diameter
(inches)
Strokes
Per Minute
Shipping
Weight
(lbs.)
gph lph psi kg/cm²
510-E-N1 0.8 3.0 Cast Iron 700 49 0.500 37 59
510-E-N3 316 SS 700 49
510-E-N5 PVC 150 11
510-E-N8 Kynar 150 11
515-E-N1 3.0 11.3 Cast Iron 1100 77 0.500 117 59
515-E-N3 316 SS 1100 77
515-E-N5 PVC 150 11
515-E-AR Hypochlorite 150 11
515-E-N8 Kynar 150 11
520-E-N1 2.0 7.5 Cast Iron 700 49 0.687 37 59
520-E-N3 316 SS 700 49
520-E-N5 PVC 150 11
520-E-N8 Kynar 150 11
522-E-N1 0.8 3.0 Cast Iron 700 49 0.687 72 59
522-E-N3 316 SS 700 49
522-E-N5 PVC 150 11
522-E-AR Hypochlorite 150 11
522-E-N8 Kynar 150 11
525-E-N1 7.0 26.5 Cast Iron 900 63 0.687 117 59
525-E-N3 316 SS 900 63
525-E-N5 PVC 150 11
525-E-AR Hypochlorite 150 11
525-E-N8 Kynar 150 11
527-E-AR 8.6 32.0 Hypochlorite 150 11 0.687 144 59
532-E-N1 11.0 41.6 Cast Iron 350 25 1.062 72 59
532-E-N3 316 SS 350 25
532-E-N5 PVC 150 11
532-E-N8 Kynar 150 11
535-E-N1 18.0 68.0 Cast Iron 350 25 1.062 117 59
535-E-N3 316 SS 350 25
535-E-N5 PVC 150 11
535-E-N8 Kynar 150 11
547-SE-N3 30.0 113.0 316 SS 200 14 1.187 144 65
547-SE-N5 PVC 150 11
547-DE-N3 30.0 /
head
113.0 /
head
316 SS 200 14 1.187 144 85

Notes:
510 models cannot be used for suction lift applications.
547-DE-N3 is a duplex model.


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