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Marley Sigma F Series Cooling Tower
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Engineering Data & Specifications
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Marley Sigma F Series Cooling Tower Table of Contents / / Engineering Data Schematic 4 Support 5 Piping 7 Temperature Control 10 Environmental 11 Specifications / Base Base 12 Thermal Performance 13 Construction 14 Fan Deck and Fan Cylinder 15 Mechanical Equipment 15 Fill, Louvers and Drift Eliminators 16 Hot Water Distribution System 17 Casing 17 Access and Safety 18 Cold Water Basin 18 Scope of Work 19 Specifications / Options Cold Water Basin Options Stainless Steel Cold Water Basin 20 W
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Marley Sigma F Series Cooling Tower / / 3 Pages 12 through 19 indicate those paragraphs which he Sigma F Series is a field-erected, crossflow, will result in the purchase of a cooling tower which Tfiberglass-structure cooling tower designed will not only accomplish the specified thermal to serve normal air conditioning and refrigeration performance, but which will include normal operation systems as well as medium sized industrial loads. and maintenance-enhancing accessories and fe
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Marley Sigma F Series Cooling Tower Engineering Data : Schematic / / 4 C C C L COLUMN L COLUMN COLUMNL C DIAMETER FAN 3" A BAYS AT 4'-0" = L 3" OWER PLNAT TOP OF FAN CYLINDER B FAN DECK Use this data for preliminary layouts only. Obtain current drawing from your Marley sales representative. H The UPDATE web-based selection software 13'-6" — available at spxcooling.com — provides Sigma F Series model recommendations based on customer's specific design requirements. BASE OF TOWER COLUMN
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Marley Sigma F Series Cooling Tower Engineering Data : Support / / 5 A SPACES AT 4'-0" = L INTERMEDIATE BEAM AIR INLET FACE MAKEUP SUMP VALVE OVERFLOW AIR INLET FACE PRIMARY SUPPORT BEAM C COL. & ANCH. BOLT L NALP 1 2 /4" MAX. NORMAL GAGE ITCESON INTOAVELE Tower Dimensions Operating Weight lb Model A W L Single Fan Cell Each Cell Add Note 4 F1211 4 26'-6" 16'-0" 55810 51510 F1221 4 28'-6" 16'-0" 59300 54920 F1231 5 28'-6" 20'-0" 70180 65760 F1241 6 28'-6" 24'-0" 81410 77020 F1251 6 32'-6"
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Marley Sigma F Series Cooling Tower Engineering Data : Support / / 6 OPTIONAL PARTITION WALL 6" MIN A SPACES AT 4'-0" = L FOR INDIVIDUAL CELL OPERATION TYP B AIR INLET FACE P AIR INLET FACE B SUMP SEE NOTE 7 TOP OF BASIN CURB TOP OF PARTITION WALL P LAN TOP OF BASIN CURB 1'-0" 1'-4" 1'-6" 6" MIN 1'-6" OPERATING WATER LEVEL RECOMMENDED S OECTNI P S OITCEN B Tower Dimensions Operating Weight lb Model A W L Single Fan Cell Each Cell Add Note 4 F1211 4 26'-4" 16'-0" 39220 35920 F1221 4 28'-4"
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Marley Sigma F Series Cooling Tower Engineering Data : Piping Plan 2 / / 7 C D C C C TYP. SINGLE CELL L FAN TYP. MULTICELL L FAN C C L INLET L INLET C C L COLUMN AND L COLUMN AND ANCHOR BOLT ANCHOR BOLT F MOTOR PIPING PIPING P LAN LOADS SUPPORTED LOADS SUPPORTED BY TOWER BY OTHERS C FAN L TOWER B DIAMETER F CROSSOVER PIPE C L INLET MOTOR FACE OF A DIA. GALVANIZED FLANGE 3 FLANGE IS /4" THICK. BOLT CIRCLE CONFORMS TO 125 LB. ANSI SPECIFICATIONS BASE OF TOWER COLUMNS E N OET 1 Use this bull
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Marley Sigma F Series Cooling Tower Engineering Data : Piping Plan 3 / / 8 C D C C C L FAN L FAN TYP . SINGLE CELL TYP . MULTICELL H C C C COLUMN AND RISER COLUMN AND L L L ANCHOR BOLT ANCHOR BOLT F MOTOR P ANL C H FAN LTOWER FACE OF A DIA. GALVANIZED FLANGE G F C C FAN 3 C RISER L L FLANGE IS /4" THICK. BOLT L INLET RISER B DIAMETER MOTOR CIRCLE CONFORMS TO 125 LB. 1 ANSI SPECIFICATIONS CROSSOVER PIPE 10 /8" 26" x 26" INTERNAL RISER SLEEVE / AIR SEAL (SS BASIN) E CONCRETE BASIN OPTION BAS
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Marley Sigma F Series Cooling Tower Engineering Data : Piping Plan 4 / / 9 C D C C C L FAN L FAN TYP. SINGLE CELL TYP. MULTICELL H C C C L COLUMN AND L RISER L COLUMN AND ANCHOR BOLT ANCHOR BOLT F MOTOR P LAN H C FAN LTOWER FACE OF A DIA. GALVANIZED FLANGE G F C C 3 RISER FAN FLANGE IS /4" THICK. BOLT L L C L INLET RISER CIRCLE CONFORMS TO 125 LB. B DIAMETER MOTOR ANSI SPECIFICATIONS 1 10 /8" CROSSOVER PIPE E CONCRETE BASE OF BASIN OPTION TOWER COLUMNS 1'-7" STAINLESS STEEL BASIN E ND E OI
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Marley Sigma F Series Cooling Tower Engineering Data: Energy Management / / 10 Cooling towers are usually selected to produce a specific Variable Speed Fan cold water temperature at the higher summertime wet-bulb temperatures. During the remainder of the year, the cooling Frequency modulation devices work well on induced draft, tower is capable of producing much colder water. Unless your propeller fan cooling towers such as the Sigma. However, their system will benefit from the coldest po
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Marley Sigma F Series Cooling Tower Engineering Data: Environmental / / 11 Sound Control Keeping It Clean Sound produced by a Sigma tower operating in an unobstructed Cooling towers are very effective air washers. Atmospheric environment will meet all but the most restrictive noise limita- dust able to pass through the relatively small louver openings will tions—and will react favorably to natural attenuation. Where the enter the circulating water system. Increased concentrations can towe
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Marley Sigma F Series Cooling Tower Specifications: Base / / 12 Specifications Specification Value 1.0 Base: ■ Y our specification base establishes the type, configuration, base 1.1 Furnish and install an induced-draft, material, and physical limitations of the cooling tower to be crossflow-type, field-erected, structural quoted. During the planning and layout stages of your project, fiberglass-framed, PVC film-fill, industrial- you will have focused your attention on
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Marley Sigma F Series Cooling Tower Specifications: Base / / 13 Specifications Specification Value 2.0 Thermal Performance: ■ Y our reason for purchasing a cooling tower is to obtain a con- 2.1 The tower shall be capable of cooling tinuing flow of cooled water as defined in the first paragraph at _____ GPM of water from ____ °F to left. If the tower that you purchase is incapable of performing _____ °F at a design entering air wet- as specified, then you will not have re
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Marley Sigma F Series Cooling Tower Specifications: Base / / 14 Specifications Specification Value 3.0 Construction: ■ The limiting water quality values indicated are those which are 3.1 The tower shall be capable of with- acceptable for the normal materials of construction specified. If standing water having a pH of 6.5 to water of more aggressive quality is anticipated please change 8.0; a chloride content (NaCl) up to 750 hardware material requirement to series 316
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Marley Sigma F Series Cooling Tower Specifications: Base / / 15 Specifications Specification Value 4.0 Fan Deck and Fan Cylinder: ■ The indicated design values for framing and decking not only 4.1 The fan deck shall act as a working give you assurance that the tower can withstand long term platform for maintenance personnel. It operation in a hostile environment—but that it will accept many shall consist of 1 1/8" (28.5 mm) deep years of inspection and maintenance t
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Marley Sigma F Series Cooling Tower Specifications: Base / / 16 Specifications Specification Value The extended oil line to an oil gauge 5.4 A stainless steel oil fill and drain line provides a safe and convenient means shall extend from the gear reducer to of checking the level of oil in the the vicinity of the motor, and shall be Geareducer. equipped with a bronze-bodied oil level sight-glass gauge. Fans of the size used on large cool- ing towers are applied at spe
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Marley Sigma F Series Cooling Tower Specifications: Base / / 17 Specifications Specification Value 7.0 Hot Water Distribution System: 7.1 The mechanical equipment support/ ■ Gravity -flow distribution basins are a feature of crossflow type crossover pipe for each cell shall be towers. These basins are out where they can be easily inspect- equipped with a flange for the attachment ed—even cleaned—while the tower is in operation. Spray sys- of customer supply piping. Inlet an
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Marley Sigma F Series Cooling Tower Specifications: Base / / 18 Specifications Specification Value 9.0 Access and Safety: ■ The access doors on other towers may be unreasonably small. 9.1 Single cell towers shall include a Specifying the size of the door will cause those bidders to take 33" (838 mm) wide by 61" (1.55 m) exception, alerting you to a potential maintenance headache. high molded FRP access door in one endwall casing for access to the inte- Good maintena
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Marley Sigma F Series Cooling Tower Specifications: Base / / 19 Specifications Specification Value 11.0 Scope of Work: 11.1 The cooling tower manufacturer shall ■ Please be clear in your specifications and inquiry documents be responsible for the design, fabrica- regarding the full scope of work expected. That will help assure tion, and delivery of materials to the that your bid comparisons will be made on project site, and for the erection of as equal a basis as possibl
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Marley Sigma F Series Cooling Tower Specifications: Options / / 20 Specifications Specification Value Cold Water Basin Options ■ Marley basins are used to permit the installation of towers on Stainless Steel Cold Water Basin: elevated platforms or foundations. 10.1 Replace paragraph 10.1 with the This is the simplest of several cold water basin designs available following: Include a cold water col- for the Sigma F Series towers. If preferred, a 10 gauge welded lection basin const
