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.)
Model Number	gph	lph	Materials of Construction	psi	kg/cm²	Piston Diameter (inches)	Strokes Per Minute	Shipping Weight (lbs.)
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	30.0	113.0	PVC	150	11	1.187	144	65
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.