SPX Cooling Technologies Marley Sigma F User Manual
/ Marley Sigma F Series Cooling Tower /
The latest addition to the
successful Marley Sigma series
of crossflow cooling towers
utilizes advanced composites
and stainless steel for excellent
durability and corrosion resistance
in a truly cost-effective design.
Drawing on over 40 years of design
experience with composites,
Marley-designed FRP pultrusions
and SMC shapes allow quick,
accurate field assembly.
Incorporating many standard
and optional features to enhance
its appearance, the Sigma F
Series adapts equally well to
architecturally sensitive campus
environments or industrial plants.
❑ Clean Appearance
Lower profile than counterflow;
standard internal inlet; optional
pultruded casing; optional cased
guardrails conceal mechanical
equipment.
❑ Ease of Installation
Consistent, predictable, stable
materials offer consistent fit,
consistent quality. Multiple casing
options.
❑ Corrosion Resistance
Fiberglass structure, fan deck, and
casing and stainless steel hot water
basins are impervious to a broad
range of corrosive materials; immune
to rot and decay.
❑ Fire Resistance
Optional FRP structural members,
casing and fan cylinders are all
available with low flame spread
ratings.
❑ No Preservatives
Environmentally friendly. No
preservative treatment required.
❑ Stable, High Strength
Composite Structure
Less costly than stainless;
more durable than galvanizing; more
consistent than wood.
❑ Flexible Operation
Innovative distribution system
accommodates wide flow variations
automatically, eases maintenance.
/ Marley Sigma F Series Cooling Tower /
7401 WEST 129 STREET | OVERLAND PARK, KANSAS 66213 UNITED STATES | 913 664 7400 | spxcooling@spx.com | spxcooling.com
In the interest of technological progress, all products are subject to design and/or material change without notice.
©2008 SPX Cooling Technologies, Inc. | Printed in USA
Durable Marley Geareducer
—the industry quality standard.
Designed to meet or exceed the
requirements of CTI STD-111
and AGMA STD 420.4, and runin under load prior to shipment.
5-year warranty assures trouble-free
operation.
®
Non-skid Fan Deck
of interlocking pultruded panels, with
fasteners concealed by the adjacent
panel, offers a clean surface free of
trip hazards.
Corrosion Resistant
pultruded fiberglass structural
components and fan deck panels,
FRP endwall casing and stainless
steel hot water basins are all
impervious to a broad range of
corrosive materials.
Simple Maintenance
Each Geareducer is equipped with
a stainless steel lubrication line
terminating outside the fan cylinder,
near the motor, at an oil level sight
glass and drain. Low profile allows
for easier access to equipment.
High-Performance Film Fill
Marley MX film fill removes process
heat efficiently, predictably. Integrally
molded drift eliminators and louvers
virtually eliminate drift spotting
nuisance and help operation even in
extremely cold weather.
Internal Piping Arrangement
enhances tower appearance and
allows balanced distribution and
flow.
Marley Spiral Target Nozzles
Injection molded polypropylene with
a diffuser and snap-in orifice cap
offer a wide range of adjustment in
flow rates and basin water levels;
even distribution over the fill area.
SP-SF-C
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