Canadian Consulting Engineer

SPX Cooling Technologies expands Marley M Series Geareducer gear drive line

Designed to directly replace gearboxes in non-Marley field-erected cooling towers.

January 16, 2018   CCE

SPX Cooling Technologies, manufacturer of evaporative cooling towers and air-cooled heat exchangers, has introduced a new model to its line of gearboxes, the M Series Geareducer.

The M1311 model is a direct drop-in, aftermarket replacement for Amarillo 1311 gearboxes, eliminating the need for adaption materials. The entire M Series Geareducer line is designed to directly and easily replace other OEM gearboxes in field-erected cooling towers.

The new M1311 model Geareducer gear drive incorporates the same differentiating features that customers find with the Marley Series 32.2 Geareducer; including the Inpro input shaft oil seal to eliminate grooving and extend life. It is available in ratios from 7.89 to 14.64. 

The gear drive’s primary function is to reduce the speed of the electric motor to optimize fan performance. The Marley Geareducer gear drive goes beyond the American Gear Manufacturers Association (AGMA) requirements to maximize air movement through the cooling tower and to minimize maintenance. It provides primary support to the fan, anchors it against lateral movement, withstands shock loads at start-up and during speed changes, and minimizes power transmission losses, as well as sound generation.

The M Series features gears of high-strength, case-hardened alloy steel machined to AGMA Quality Class 9 and above. It is designed to fit into non-Marley cooling towers for easy replacement and has heavy-duty double-row interstage bearings for 100,000 hours of life or more.

The M Series gear drive operates without need for add-on oil pumps, oil filters or oil coolers. It runs with two-stage gear reduction for efficient power transmission; external cooling fins maximize the surface area for cooler operation. The new versatile design aspects coupled with trusted Marley technology make the M Series Geareducer gear drive a match in size and performance for a broad range of cooling tower brands.

www.spxcooling.com.


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