Cooling Tower Gear Box Parts
Optimised for cooling tower use
Low Noise
Ease of Maintenance
Available Accessories
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Product Introduction
SFC Series Cooling Tower Gearbox For Counter Flow and Cross Flow Cooling Towers Usage
Cooling tower gearboxeeees are the premarily used in the cooling towers, it is mainly to reduce the operating speed of the cooling tower fans, so as to achieving the purpose of energy saving and noise reduction. The cooling tower gearboxes are generally installed between the motor and cooling tower fan which to control the fan speed by changing the gear ratio, and then effectively adjusting the cooling tower working state. TJLATINO's SFC series cooling tower fan gearbox is specially designed for cooling towers.
Model Description:
Feature:
Optimised for cooling tower use
1. Selection Criteria
● The SFC Series was specifically designed for the cooling tower environment.
● Use the chart to find the correct size based on motor size and fan speed.
2.Low Vibration Design
● Extended Bearing Span
Even if the cooling fan is balanced, excess vibration can occur during operation. Using an extended fan drive shaft (gearbox low speed shaft), run-out due to fan operation is significantly reduced.
● Balanced Mounting Load
By arranging the mounting bolt holes uniformly about the fan drive shaft, the load to the gearbox mounting base is transmitted uniformly.
3.Flat Mount Design
The SFC gearbox is designed without protrusions beneath the mounting surface, leading to simple mounting base design and construction.
The design also takes into account the use of an optional backstop and pump to be added without protruding beneath the mounting surface.
4. Thermally Efficient Design
Due to the gearbox location in a cooling tower, minimal airflow from the cooling tower fan reaches it.
The SFC gearbox is designed with maximum heat dissipation in mind.
● Maximized Surface Area
● High Efficiency Gearbox Cooling Fan
Low Noise
6～ 8dB(A)Noise Reduction From Previous Series
6 to 8dB (A) noise reduction from previous series achieved with 3D tooth surface modification in the input stage bevel gear of reducer, enabling usage in environment with strict noise restriction.
Ease of Maintenance
● 1 Year Maintenance free operation.
● Gearbox is drilled and tapped for attachment of external air breather and oil fill/drain.
● Internal gearbox inspection possible without draining oil due to inspection cover location above operating oil level.
● Using internal splash oil lubrication, use of an oil pump and its periodic replacement is not required.
Available Accessories
Cooling Tower specific accessories are standard equipment.
Standard Specifications
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Item
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Standard Specification
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Gearbox
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Gear
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Material Spec. : Alloy Steel
Heat Treatment : Case Hardening
Processing :Precision Finish
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Bearing
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Type ： Roller Bearing
Rated Life (L10) : Low Speed Shaft Bearing ･････････････････････ 100,000 Hours or Longer
High Speed Shaft/Intermediate Shaft Bearings ･･･ 50,000 Hours or Longer
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Shaft
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Material Spec. ： Alloy Steel
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Housing
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Material Spec. ： Cast Iron
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Seal
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Housing and Cover Mating surfaces : Liquid Sealant
Low Speed Shaft ： Dust-lip Oil Seal and Seal Hood
High Speed Shaft : Dust-lip Oil Seal
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Lubrication
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Oil Splash Lubrication
An oil splasher attached to the high speed shaft propels oil from the lower oil reservoir to the upper bearing oil reservoir.
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Paint
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P3 Reference
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Rotation Speed
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High Speed Shaft input speed: 450 to 1800r/min
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External
Conditions
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Ambient
Temperature
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0℃ to 40℃
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Environment
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Not designed for corrosive or explosive gas environments.
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Altitude
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Designed for altitudes of 1000m or less.
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Select procedure
Application Data Sheet
Dimension
Attention
(1) Keys and keyways for both high speed and low speed shafts conform to ISO/R773-1969 close key. (JIS B 1301-1996 Parallel Key in
Fastening Type)
(2) The oil quantity shown is approximate. Fill to the appropriate level using the oil level gauge.
(3) Air breather and air breather pipe are assembled by the customer and installed on site. A pipe extending from the gearbox to outside
the fan stack should be prepared. Piping parts are not included.
(4) The installation bolts should be rated JIS Class 8.8 .
(5) To maintain coupling alignment, stop plates or knock pins should be installed to prevent gearbox twisting on its base due to fan operation.
Warranty
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Warranty
Period
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The warranty period for the Product shall be 18 months after the shipment of the Product from the Seller's works or 12 months after the Product comes into operation, whichever comes first.
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Warranty
Condition
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In the event that any problem or damage to the Product arises during the "Warranty Period" from defects in the Product whenever the Product is properly installed and combined with the Buyer's equipment or machines, maintained as specified in the maintenance manual, and properly operated under the conditions described in the catalog or as otherwise agree upon in writing between the Seller and the Buyer or its customers; the Seller will provide, at its sole discretion, appropriate repair or replacement of the Product without charge, except as stipulated in the "Exception for Warranty" as described below.
However, if the Product is installed or integrated into the Buyer's equipment or machines, the Seller shall not reimburse the cost of: removal or re-installation of the Product or other incidental costs related thereto, any lost opportunity, any profit loss or other incidental or consequential losses or damages incurred by the Buyer or its customers.
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Exception
for
Warranty
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Not withstanding the above warranty, the warranty as set forth herein shall not apply to any problem or damage to the Product that is caused by:
1. installation, connection, combination or integration of the Product in or to the other equipment or machine that is rendered by any person or entity other than the Seller;
2. insufficient maintenance or improper operation by the Buyer or its customers, such that the Product is not maintained in accordance with the maintenance manual provided or designated by the Seller;
3. improper use or operation of the Product by the Buyer or its customers that is not informed to the Seller, including, without limitation, the Buyer's or its customers' operation of the Product not in conformity with the specifications, or use of lubrication oil in the Product that is not recommended by the Seller;
4. any problem or damage on any equipment or machine to which the Product is installed, connected or combined or on any specifications particular to the Buyer or its customers;
5. any changes, modifications, improvements or alterations to the Product or those functions that are rendered on the Product by any person or entity other than the Seller;
6. any parts in the Product that are supplied or designated by the Buyer or its customers;
7. earthquake, fire, flood, sea-breeze, gas, thunder, acts of God or any other reasons beyond the control of the Seller;
8. waste, exhaustion, normal wear and tear, or deterioration of the Product's parts, such as bearings, oil-seals;
9. any other troubles, problems or damages to the Product that are not attributable to the Seller.
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Safety Precautions
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SAFETY PRECAUTIONS
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● Strictly observe the safety rules for the installation place and the equipment to use.
(Industrial Safety and Health Law, Technical Standard for Electric Facilities, Extension Rules, Plant Explosion Guidelines, Building Standards Law, etc.)
● Carefully read the maintenance manual before use. If the maintenance manual is not on hand, make a request for one to the distributor at which you purchased the product or to our sales department. The maintenance manual should be sent to the actual user.
● Select an appropriate product that matches the operating environment and usage.
● Install a protective equipment on the machine side when the machine is used for transportation of passengers or for elevators, escalators, and dumbwaiters.
● When the machine is used for food processing equipment and others that are susceptible to oil, install an oil pan or other damage preventive devices in case of oil leakage due to failure or termination of service life.
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