Skip to content
About Careers Contact Login
PD Blowers PD Blowers
  • Home
  • Products
    • BlowersRoots URAIRoots URAI-DSLRoots URAI-JRoots URAI-J-DSLRoots URAI-GRoots RAMRoots RAM-JRoots RAM-GJRoots Tri-RAMRoots RCSRoots RCS-JRoots DVJRoots VJROOTS-FLORoots Whispair MaxRoots RAS-J & RGS-JSpencer Regenerative
      AccessoriesBlower LubricantsCheck ValvesFilter ElementsGaugesFilter AssembliesConnectorsPower TransmissionRelief ValvesSilencersAir Water Separators
      Replacement PartsMounting SystemsEnclosuresPackagesGas MeteringOil FiltrationOil Water SeparatorsExVel Turbo FansSpecial OffersProduct Resources
      Surplus ProductsSurplus Products
      Pressure & Vacuum PackagesPressure & Vacuum Packages
  • Custom Solutions
    • FabricationSystem Integration
      CapabilitiesUL Control PanelsPlasma CuttingCNC PunchingFormingPlate RollingMIG, TIG, & Stick WeldingPaintingMaterial HandlingTesting
      Custom ApplicationsSpecialty EnclosuresSoil Remediation SystemsAir Water SeparatorsThermal OxidizersRemote Monitoring SystemsMulti Stage Vacuum SystemsAir Compressor SystemsConveying System Packages
      FabricationFabrication
      System IntegrationSystem Integration
  • Service + Repair
  • Support
Menu
Contact X
Home : Products : Blowers : Roots Universal RAI (URAI)

Roots Universal RAI (URAI)

The Roots Blower URAI unit is available in 17 different models. All models feature the “universal” mounting feet which allow it to be mounted in four different configurations.

More Details
Filter by:

Max Flow (CFM)

Max Pressure (psi)

Max Vacuum (Hg)

Max Speed (RPM)

Showing 1–12 of 17 results

  • 22 URAI Roots Blower

    22 URAI Roots Blower

    $1,968.00
    Select options
  • 24 URAI Roots blower

    24 Roots Universal RAI Blower

    $2,174.00
    Select options
  • 32 URAI Roots blower

    32 URAI Universal Blower

    $2,237.00
    Select options
  • 33 URAI Roots Blower

    33 URAI Roots Blower

    $2,268.00
    Select options
  • 36 URAI Roots blower

    36 URAI Blower Roots

    $2,424.00
    Select options
  • 42 URAI Roots blower

    42 Roots URAI Blower

    $2,756.00
    Select options
  • 45 URAI Roots blower

    Roots 45 URAI Blower

    $2,834.00
    Select options
  • 47 URAI Roots blower

    47 URAI Roots Blower

    $3,022.00
    Select options
  • 53 URAI Roots blower

    53 Roots URAI Blower

    $3,902.00
    Select options
  • 56 URAI Roots blower

    56 URAI Roots Blower

    $4,090.00
    Select options
  • 59 URAI Roots blower

    59 URAI Root Blower

    $4,389.00
    Select options
  • 65 URAI Roots blower

    65 URAI Blowers

    $6,228.00
    Select options
  • Roots Universal RAI Blower Parts

    Roots Universal RAI Blower Parts (38)

  • 1
  • 2
  • →

Product Line Details

ROOTS UNIVERSAL RAI (URAI)
The Roots Blower URAI unit is available in 17 different models. All models feature the “universal” mounting feet which allow it to be mounted in four different configurations.

The unit is center-timed so that it may be operated in either direction. The unit features grease lubrication on the drive end and oil lubrication on the gear end.

Flow Range: 10 CFM to 2370 CFM
Pressure Range: 1 psi to 15 psi
Vacuum Range: 1″ to 16″Hgg (Dry)

The basic Roots Blower URAI model consists of a cast iron casing, carburized and ground alloy steel spur timing gears secured to steel shafts with a taper mounting and locknut, and cast iron involute impellers. Oversized antifriction bearings are used, with a cylindrical roller bearing at the drive shaft to withstand V-belt pull.

DESIGN AND CONSTRUCTION FEATURES
• Detachable steel mounting feet
• Rigid one-piece cast iron casing
• Anti-friction bearings
• Thrust Control
• Splash oil lubricated spur timing gears
• Connections in standard pipe sizes
• Straight, precision machined two-lobe impellers
• Ground steel shafts

Warranty: Twenty-four months of operation or thirty months from date of original purchase.

A conventional positive displacement moves a gas from the inlet to the discharge of the cylinder as illustated below:
Conventional Blower Operation

PDBLOWERS, INC. – YOUR SOURCE FOR ROOTS URAI BLOWERS
In addition to being an authorized distributor of Roots Blower URAI products, pdblowers can meet all of your industrial blower needs including replacement parts, repair work, noise enclosures and more. Our team of experienced industry experts can provide custom solutions to any problem. Contact us today for the best Roots Blower URAI equipment and service.

Related Resources
Instruction Manuals
Howden Roots Universal RAI, URAI-DSL, URAI-DVJ-DSL, URAI-G & Metric Series IOM
URAI, URAI-DSL, URAI-J, URAI-J-DSL, URAI-G Manual, Spanish (Dresser 2002)
Specifications
ROOTS Universal RAI® Rotary Positive Blowers Frames 22 thru 718
Sectional Drawing
URAI Sectional Assembly 2-5″
URAI Sectional Assembly 6-7”
Join Our Newsletter

pdblowers, Inc.
2280 Chicopee Mill Rd SW
Gainesville, GA 30504
Get Directions
Take a Virtual Tour
View All Locations
Phone: 800-536-9933
Fax: 770-538-0022

Fabrication
System Integration
Service + Repair
About
Contact
Employment
Privacy
Site Map

Products
Blowers
Accessories
Mounting Systems
Enclosures
Packages
Replacement Parts
Special Offers

Custom Solutions
Air Compressor Systems
Air Water Separators
Remote Monitoring Systems
Soil Remediation Equipment
Thermal Oxidizers
Multi Stage Vacuum Systems
Latest Projects

Support
Technical Documents
Tech Talk
FAQs
Return Policy

LinkedIn Youtube
©pdblowers, Inc.

⚠ We are experiencing long lead times on a number of product lines. If you wish to verify inventory before placing an order please call us at 770-538-0020. ⚠ Dismiss