Blower Package for Wastewater Treatment in South America

Posted on June 7, 2023

This is our standard P2 pressure package featuring a Roots 56 URAI blower.  It is on its way to South America where it will be used for wastewater treatment.

  • Roots Model 56 URAI Rotary Positive Displacement Blower
  • VersaBase 567 With Intergral Belt Guard and Brackets for Accessory Mounting
  • Motor, 20 HP, TEFC Premium Effciency, 1800 RPM, 1.15 Service Factor, 230/460 Volts, 3 Phase, 60 Hz
  • Motor Slide Base, Double- Adjusting
  • Drive, V-Belt, Minimum Service Factor of 1.4
  • Inlet Filter, 4″, Paper Element
  • Inlet Silencer, 4″ Chamber- Absorptive Type
  • Discharge Silencer, 3″ Chamber- Absorptive Type
  • Discharge Flexible Connector, Silicone Impregnated Fiberglass, 4″
  • Relief Valve, Pressure, Kunkle 337 – 2″, Set Point of 8 PSIG
  • Check Valve, TechnoCheck 5002 Class A, 3″
  • Gauge, Pressure, 2.5″, Liquid Filled With Stainless Steel Case, Snubber, and Gauge Cock
  • Mechanical Run at Test Load
Wastewater treatment aeration blower package
Wastewater treatment plant blower package

Application Conditions

Speed (RPM) 1,781 Speed (% of Maximum Allowable) 62%
Inlet Volume (AFCM\SCFM) 307 / 270
Site Elevation (Feet above SL) 1312
Shaft Power (SHP) 13.9
Barometric Pressure (PSIA) 14.00
Discharge Temperature (°F) 197
Relative Humidity (%) 80%
Differential Temperature (°F) 112

Inlet Temperature (°F) 85
Blower Discharge Volume (CFM) 239
Inlet Pressure Loss (PSI) 0.3
Estimated Noise Level (dBA @ 1 Meter) 89
Blower Inlet Pressure (PSIA) 13.7
Discharge Pressure Loss (PSI) 0.2
System Discharge Pressure (PSIG) 7.0
Differential Pressure Loss (PSI) 7.5

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