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Series 500-T Tubular Diaphragm Pump

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95.00 LBS

 Product Description

Neptune Series 500 tubular diaphragm pumps are engineered for viscous fluids up to 20,000 cP and for medium slurries up to 10% solids.

(1) All Series 500-T pumps, except models 547-T-N3 and 547-T-N7 are priced with integrally mounted motor 1/2HP/1/115/60/TEFC as standard. 
(2) Slurry construction, “N7” is the same as “N3” except ball checks are polyurethane.

(3) Flange mounted motors include flange adapters and adds 20 lbs. to shipping weight.

(4) If No Motor option is selected, must accept any 56c frame motor.

(5) Explosion proof motors meet the following class divisions: Class I: Groups C and D Div. I; Class II: Groups E, F and G Hazardous Locations .
(6) Face [End] Mount explosion proof motors meet the following class divisions: 1/3 HP and ½ HP, Class I: Groups C and D Div. I; all other exp. motors, Group D only.
(7) All motors are 60Hz. Contact us directly for pricing on 50Hz motors.

(8) Cord option only available with 1/3 HP, 1 phase, 115 volt TE motor.

Series 500 "dia-pump" features:

  • Neptune's Series 500 "dia-pump" is the only pump with EZE-CLEAN™ Valves. The cartridges can be removed for cleaning without disturbing the piping to the pump.
  • All Neptune "dia-pumps" are adjustable from 10% through 100% of capacity by micrometer dial.
  • Electric stroke control.
  • Sodium hypochlorite gas bleed.
  • All pumps are CE compliant and bear CE label when coupled to a motor bearing the CE mark.
  • Variable speed control.
  • Covered by a 3 year factory warranty

Series 500-T specific features:

  • No-clog design. Straight-thru flow pattern eliminates pockets where slurries can settle.
  • Easily handles high viscosity liquids.
  • Double diaphragm is standard.
  • Capacities to 80 gph (302 lph).
  • Control options include electric or pneumatic stroke control and variable speed drives.
  • Standard units with double ball suction and discharge valves. Single ball suction valve is optional.
  • Variable Oil By-passTM stroke adjustment mechanism provides better valve performance than variable
  • linkage designs.
  • Viton elastomer withstands most chemicals.
  • Elastomer memory and tube shape reduce NPSH requirements, allow more viscous fluids to be pumped.
  • Spring-loaded discharge. External back pressure valve is not required.

Electric Stroke Length Control features:
  • Accepts 4-20 ma., 0-5 VDC, or other signals.
  • May be directly connected to 115V or 230V 1 Phase power.
  • Includes local manual override.
  • Includes local position indicator.
  • Includes 4-20 ma. position feedback/output.
  • Easily retrofitted to any Series 500 pump.

Variable Speed Drive features:

  • All models have one piece controller.
  • All units accept 4-20 ma. input. Signal follower included.
  • All controllers include ON/OFF, AUTO/MANUAL and SPEED ADJUST features.
  • For models SCR50, SCR75, VAC50, and VAC75 must add Flange Adapter when used with any Series 500 “dia-pump”.

For additional information, and choosing the correct pump for your application, please review
Product Specifications Sheet.

If you have any questions or need assistance in selecting the correct pump for your application,
please don't hesitate to contact
EnviroAqua at (818) 890-3200.


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