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■ Rugged Marley Driveshaft
Built from stainless steel or carbon fiber composite tubes with
stainless steel flanges. All Marley Driveshafts are dynamically
balanced at the factory to minimize operating vibration resulting
in smooth, long lasting fan operation.
■ Simple Maintenance
Each Geareducer is equipped with an oil level gauge outside
of the fan cylinder near the motor. Service fittings at the gauge
facilitate changing Geareducer oil.
■ Low Drift Rates
Marley XCEL
®
cellular PVC eliminators offer the lowest drift rates
in the industry. XCEL eliminators significantly lower air pressure
losses, reducing fan horsepower requirements thus saving
energy costs.
■ Completely Bolted Structure
Marley F400 fiberglass structures are completely and securely
assembled using mechanical stainless fasteners without the use
of adhesives. Benefits of a bolted structure are:
Assembly can be done in the cold or wet weather—adhesives
are not recommended below 40°F plus the surface must be dry
before gluing.
Every joint is guaranteed to be as specified whereas a glued
joint is only as good as the preparation made prior to the
assembly.
If any member has to be replaced for any reason, it’s a simple
matter of unbolting the structure and adding the new part.
■ Tough High-Performance Film Fill
Marley high-performance fill removes process heat efficiently
and predictably. PVC fill sheets are thermoformed at Marley
factories to exacting quality an strength standards. Maximum
performance fill designs and clog resistant fill designs are
available for a wide range of thermal and water quality
requirements. Our design engineers evaluate each cooling tower
application individually using computer optimization analysis to
select the best fill system, maximizing thermal performance—
and keeping power consumption to a minimum.
■ Clog-Resistant NS Nozzles
NS nozzles are the heart of the F400 water distribution system
assuring unimpeded, uniform flow with minimal operating
pump head. Large diameter NS nozzles free you from the
expense and nuisance of cleaning clogged, overly-complicated
nozzle designs. The NS nozzle has a consistent “solid-cone”
downspray pattern to assure uniform distribution coverage at
pressures as low as two feet of water.
■ Durable Marley Geareducer
The industry quality standard. Designed to meet and exceed
the requirements of CTI STD-111 and AGMA standards. Every
Geareducer is run-in under load at the factory. Numerous
reduction ratios are available so that horsepower is applied at
optimum fan speed.