Sterling Pumps

Submersible Motors 6 8 10 5.5 to 185 kW

M Series

Sterling Pumps produce the M series range of quality submersible motors which offer a wide and versatile range of high efficiency and reliable operation in adverse conditions. Our submersible motors are water lubricated, are rewindable and feature Silicon Carbide mechanical seals as standard for durability and abrasive resistance offering longer in service life.

The M series motors are successfully installed and operated around the world in agricultural applications, such as crop irrigation, centre pivot supply, cattle watering and other more severe applications including mine dewatering, mineral processing, fire duty, offshore platform seawater lift, inline municipal boosting, water transfer, construction dewatering, breweries and other industrial processing.

Features

• 6” 5.5 kW to 45kW
• 8” 22kw to 110 kW
• 10” 55 kW to 185 kW
• Dual voltage/frequency 3 phase windings: 415V 50hz, 460V 60hz
• All rating sizes conform to NEMA shaft/spline/mount dimensions
• All 304SS construction, 6”
• 304SS and cast iron constructions, 8” and 10”
• 316SS constructions, 6”, 8” and 10”
• Silicon Carbide mechanical seal as standard
• Kingsbury style thrust bearings
• Water filled and lubricated
• Rewindable design
• Class E winding
• IP68 protection
• S1 continuous duty rated
• Maximum submerged depth of 350 metres
• Suitable for use with Variable Frequency Drives (VFD)
• Wide voltage parameters 415V -10%, +10%
• Motor protection: Ambient compensated thermal quick trip, Class 10 at x5 In, DIN 61947-4-1
• Water temperature up to 40°C without derating
• Suitable for potable water