ROTRON^®
Application Specific
Regenerative Blowers
Spa, SE, SL and MD

SPA Blowers Include

• Rugged cast aluminum housing, cover, impeller and muffler tower
• Removable cast iron flanges bolted to a sheet metal manifold
• ODP Spa Duty ATO motors on 1-2 HP single phase models
• ODP motors for cooler running  
• Carbon steel shaft and zinc plated hardware
• Permanently sealed motor bearings for 20,000-25,000 hours life

Spa Models

• DR 404
• DR 454
• DR 505
• DR 513
• DR 656

Instrument Grade and Variable Flow Minispiral (SE) Blowers Include:

• DC versions available for world voltages and maximum flow variability
• Glass filled molded phenolic impeller; aluminum and phenolic case
• 30,000 hour bearing life
• Small size and lightweight construction
• Compact design at 4.2" diameter
• Quiet to NC-47 office equipment standards

Spiral (SL) Blowers Include:

• Rugged diecast aluminum housing, endbell(s) and impeller(s)
• Sheet metal aluminum covers
• Motor internal to the blower parts for extremely compact envelope dimensions
• Muffler material encased inside the housing or maximum noise reduction
• Low amp draw with highly efficient motor
• Permanently sealed bearings for 20,000-25,000 hours life
• Hermetically sealed models designed for glovebox use 

Mag Drive (MD) Blowers Include:

• Hermetically designed sealless blower
• Ability to disconnect motor without disassembling from piping
• Cast aluminum blower housing, impeller and flanges
• Permanently sealed ball bearings in housing and motor
• Quiet operation within OSHA standards
• Corrosion resistant surface treatments and sealing options