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Accurate Metering Pump CENTRAC™ Series Standard Controller Model
Brand: Milton RoyCENTRAC 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
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