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Neptune Metering Pumps

Neptune Series 500 Standard Metering Pump

 

The Series 500 Original pumps have the same features as the Series 500 Standard line, 500 Originalexcept these models can be duplexed. Any duplex pump combination can be created using any of these models, so long as both models have the same stroking speed. (Add 15 lbs. to shipping weight for duplex models.)

Features:

  • Standard Motor: 1/3HP-1ph-115VAC-60c-TEFC
    Totally Enclosed Fan-Cooled with built-in automatic thermal overload protection
  • Ten turn micrometer dial calibrated in 1% increments.
  • 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.

 

Neptune 500Series 500 Original Metering Pump Brochure

 

Series 500 Original Specifications

Model
Number		 Capacity
@ 100 PSI		 Materials of
Construction		 Pressure
1/4HP & 1/3HP		 Pressure
1/2HP		 Piston
Diameter
(inches)		 Strokes
Per Minute		 Shipping
Weight
(lbs.)
gph lph psi kg/cm² psi kg/cm²
500-S-N1 0.8 3.0 Cast Iron 1000 70 n/a n/a 0.500 37 70
500-S-N3 316 SS 1000 70 3000 210
500-S-N4 C-20 1000 70 n/a n/a
500-S-N5 PVC 150 11 n/a n/a
515-S-N1 3.0 11.3 Cast Iron 1100 77 n/a n/a 0.500 117 70
515-S-N3 316 SS 1100 77 1800 125
515-S-N4 C-20 1100 77 n/a n/a
515-S-N5 PVC 400 28 n/a n/a
520-S-N1 2.0 7.5 Cast Iron 700 49 n/a n/a 0.687 37 70
520-S-N3 316 SS 700 49
520-S-N4 C-20 700 49
520-S-N5 PVC 400 28
522-S-N1 4.0 15.1 Cast Iron 700 49 n/a n/a 0.687 72 70
522-S-N3 316 SS 700 49
522-S-N4 C-20 700 49
522-S-N5 PVC 400 28
525-S-N1 7.0 26.5 Cast Iron 900 63 1500 105 0.687 117 70
525-S-N3 316 SS 900 63 1500 105
525-S-N4 C-20 900 63 1500 105
525-S-N5 PVC 400 28 n/a n/a
530-S-N1 5.5 20.8 Cast Iron 350 25 n/a n/a 1.062 37 70
530-S-N3 316 SS 350 25
530-S-N4 C-20 350 25
530-S-N5 PVC 300 21
532-S-N1 11.0 41.6 Cast Iron 350 25 600 42 1.062 72 70
532-S-N3 316 SS 350 25 600 42
532-S-N4 C-20 350 25 600 42
532-S-N5 PVC 300 21 n/a n/a
535-S-N1 18.0 68.0 Cast Iron 350 25 600 42 1.062 117 70
535-S-N3 316 SS 350 25 600 42
535-S-N4 C-20 350 25 600 42
535-S-N5 PVC 300 21 n/a n/a
537-S-N1 22.0 83.0 Cast Iron 350 25 400 28 1.062 144 70
537-S-N3 316 SS 350 25 400 28
537-S-N4 C-20 350 25 400 28
537-S-N5 PVC 300 21 n/a n/a
547-S-N1 30.0 113.0 Cast Iron 200 14 350 25 1.187 144 70
547-S-N3 316 SS 200 14 350 25
547-S-N4 C-20 200 14 350 25
547-S-N5 PVC 200 14 300 21

 

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