Description
Louis Allis IEEE841 Motor
Construction
- Totally Enclosed Fan Cooled (TEFC) enclosure
- All cast iron construction
- All frames double punched
- Solid Foot with 0.005-inch foot flatness
- Inpro Seal on DE and ODE
- Polyurethane paint system exceeds 250 hours salt
spray/fog test
- Double Vacuum Pressure Impregnation (VPI)
- Internal epoxy paint protection
- Stainless steel grease extension tubes
- Regreasable bearings on all frame sizes
Protection & Environmental
- IP56 protection
- Class H insulation
- Class I Division 2 Groups A, B, C, D, and Class 2
Division 2 Groups F, G – T4 Temperature Code
- Per IEEE 841-2021 standards (Test report located in
terminal box)
- IEEE 45
Applications
Louis Allis IEEE 841 PetroChem & Severe Duty Motors
are premium, heavy-duty electric motors built for
extreme industrial environments, meeting the rigorous
IEEE 841 standard for enhanced reliability, durability,
and performance. They feature robust construction,
superior sealing against contaminants, low vibration, and
extended insulation life—making them ideal for continuous
operation in demanding conditions. Typical applications
include:
- Oil & gas and petrochemical facilities
- Chemical processing plants
- Pulp and paper mills
- Mining and aggregate operations
- Wastewater and water treatment plants
- Cement and steel production
These motors are designed for critical processes where
maximum uptime, long service life, and resistance to harsh
environments are essential.