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Instantly add the Accurate Metering Pump CENTRAC™ Series Standard Controller Model and 50,000+ more product series to your store or catalog  
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Accurate Metering Pump CENTRAC™ Series Standard Controller Model

Brand: Milton Roy
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CENTRAC pumps combine a unique constant stroke length drive mechanism and electronic variable speed drive technology.

The unique drive system provides a steady state accuracy of +/- 0.5% over the entire turndown range.

This is twice the accuracy of the standard +/- 1% of most metering pumps.

Greater accuracy means better control of the treatment process and more efficient chemical usage.

In addition, these pumps offer a 100:1 turndown ratio.

The advanced design enables the pumps to respond instantly to changes in dosage rate, making it the ideal metering pump for a wide range of flow rates in water and wastewater treatment applications.
Features
  • Simple But Robust Design for Reliability
  • All Moving Parts are Submerged in Oil
  • Instant Response to Dosage Changes
  • Precise Feedback Signal
  • Efficient Drive Sizing
  • Mates with Advanced HPD Liquid End for Maximum Performance
  • Economical Duplex Configuration Availability
  • Compact Design with a Higher Capacity in a Small Footprint
  • Low Maintenance

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Specifications

Brand

Drive

  • Helical Gear and Scotch Yoke
  • All Moving Parts Submerged in Oil

Liquid End

  • High Performance Diaphragm
  • Hydraulically Balanced

Multiplexing

  • Simplex or Duplex

Maximum Performance Ratings per Head

  • 550 GPH at 185 PSIG to 37 GPH at 2290 PSIG

Capacity Control

  • DC: Electronic Variable Speed Drive with 100:1 Turndown
  • AC: Electronic Variable Frequency 100:1 Turndown

Maximum Stroking Speed

  • 162 SPM

Accuracy

  • 0.5% Steady State Accuracy Over 100:1 Turndown

Approximate Weight with Largest Liquid End

  • Simplex: 455 lbs
  • Duplex: 640 lbs

Drive Standard Voltages

  • 460 VAC, 3 Phase, 50/60 Hz
  • 230 VAC, 3 Phase, 50/60 Hz - Up to 3 HP
  • 230 VAC, 1 Phase, 50/60 Hz - Up to and including 4 HP

Maximum Distances

  • Controller to Motor: 250 ft
  • Remote Operator Station to Slave Controller: 5000 ft

Duty Cycle

  • Continuous

Input Control Signal

  • 4–20 mA
  • Direct or Reverse Acting Standard
  • Split Range Configurable

Feedback Signal

  • 4–20 mA

Motor Description

  • Servo DC TENV Watertight - Standard
  • Explosion Proof - Optional
  • Standard AC - Optional

Documentation

Datasheet

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