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Flat Belts
Elevator Lift Application 2
 

Gates Mectrol produces a full line of high strength, low stretch flat belts for use in conveying, lifting and positioning applications.

These flat belts are normally sold in open ended lengths and are clamped on each end.

 Contact Application Engineer

 Flat Belt Specifications

Arrow Down Order by Part # 

Arrow Down Pulley Design Recommendations

Gates Mectrol PDF File Industrial Timing Belt Catalog 

Applications  Belt Pitches
 Lifting  F8, FL8, F12, FL12, FX9, FX12
 Conveying - General, Bulk & Sheet Rock  WF12

Nominal Thickness
F8 0.080"
FL8 0.080"
F12 0.125"
FL12 0.125"
FX9 0.090"
FX12 0.120"
F13 0.130"
F19 0.190"
 Flat Belt Thickness Arrow Down Flat Belt Availability


 

Application Characteristics 

  • Heavy load lifting or lowering
  • Allows for "slip" requirement
  • Smooth uniform motion 
  • Small bending radius for small design envelope 
  • Very low stretch characteristics
 

Product Features

  • Smooth, vibration free operation
  • Small pulley diameters
  • High strength, low stretch for long life
  • Sealed edges, no cord fraying
  • Easily guided with flanged pulleys
  • Kevlar®  cord
  • No lubrication needed
  • No retensioning required

 Additional Ordering information
 Flat Belt Specifications


Flat Belt Availability  
Available Widths    
Inch mm F8, FL8, F12, FL12 FX9 FX12    
1/2 12.7 X        
5/8 15.9     X    
3/4 19.1 X   X    
15/16 23.8   X X    
1 25.4 X   X    
1 1/4 31.8     X    
1 1/2 38.1 X        
2 50.8 X        
3 76.2 X        
4 101.6 X        
             
Width Tolerances        
Width F8, FL8, F12, FL12 FX9, FX12, F13, F19        
Up to 2" +/-.020" +/-.030"        
>2" - 4" +/-.030" N/A        
 

  


 
Flat Belt Specifications
Application Conveying Lifting
  F8   F12   FL8   FL12   F13   F19
Nominal Thickness   inch 0.08   0.125   0.08   0.12   0.13   0.19
  metric 2.0   3.0   2.0   3.0   3.2   4.8
Cord     Steel Kevlar Hi-Flex Steel   Steel Kevlar Hi-Flex Steel   Steel Hi-Flex Steel   Steel Hi-Flex Steel   Steel    Steel
Ultimate Tensile Strength per Inch or 25mm Belt Width   lbf/in 1605 1818 2370   1605 1818 2370   3204 2917   5445 6059   7554   10117
  N/25 mm 7140 8085 10540   7140 8085 10540   14250 12975   24220 26950   33600   45000
Max Allowable Belt Tension per Inch or 25mm Belt Width  Open Ended lbf/in 436 243 658   436 243 658   854 971   1338 1427   1999   3008
N/25 mm 1939 1080 2925   1939 1080 2925   3800 4320   5953 6349   8892   13378
Welded lbf/in 218 121 329   218 121 N/A   N/A N/A   N/A N/A   N/A   N/A
N/25 mm 969 540 1463   969 540 N/A   N/A N/A   N/A N/A   N/A   N/A
Specific Belt Weight   lbf/ft/in 0.057 0.045 0.057   0.078 0.066 0.080   0.073 0.060   0.113 0.113   0.137   0.183
  kgf/m /cm 0.033 0.026 0.0033   0.046 0.039 0.047   0.043 0.035   0.066 0.066   0.080   0.107
Specific Belt Stiffness (Open Ended)   lbf/in 109000 60700 133620   109000 60700 133620   213600 197350   334600 290030   406240   611160
  N/mm 19085 10635 23400   19085 10635 23400   37410 34560   58600 50790   71140   107025
Min. Pulley Diameter   in 1.8 1.8 1.5   2.4 2.4 2.0   1.9 1.5   3.1 2.5   6.3   5.9
    mm 45 45 38   60 60 50   48 38   80 64   160   150
Min. Dia. of Tensioning Idler Running on Back of Belt   in 2.7 2.7 2.2   4.7 4.7 4.1   2.8 2.2   4.7 3.8   6.3   8.9
  mm 68 68 57   120 120 105   72 57   120 96   160   225
Standard Material     PU PU PU   PU PU PU   PU PU   PU PU   PU   PU
Standard Colors      (BK=Black, N=Natural)     N N BK   N N BK   N  BK   BK BK   BK   BK
Max. Width   in  4 4 6   4 4 6   4 6   4 6   6   6
  mm 100 100 150   100 100 150   100 150   100 150   150   150
Min. Welded Belt Length   in  19 19 38   20 20 20   N/A N/A   N/A N/A   N/A   N/A
  mm 483 483 960   508 508 508   N/A N/A   N/A N/A   N/A   N/A
Standard Roll Length   ft 200 200 328   200 200 328   200 328   200 328   164   164
  m  61 61 100   61 61 100   61 100   61 100   50   50
Width Tolerance  up to 2"   +/- .020"
>2"   +/- .030"


Flat Belt Recommendations
Materials 85A PU  92A PU
Service Temperature Range -10°C to 60°C –5° C to 70° C
(14° F to 140° F) (23° F to 158° F)
Hardness, Shore A   85 92
  Belt Material vs. Steel (dry) 0.7 0.5
  Urethane vs. Aluminum (dry) 0.6 0.5
Coefficient of Friction Belt Material vs. UHMWPE (dry) 0.4 0.2
  Nylon vs. Steel (dry)  0.2 to 0.4 0.2 to 0.4
  Nylon vs. UHMWPE (dry) 0.1 to 0.3 0.1 to 0.3

Do not use Gates Mectrol belts, pulleys or sprockets in applications that depend solely upon the belt to raise/lower, support or sustain a mass without an independent safety backup system. The specifications listed are based on Gates Mectrol's experience. However, our specifications and data do NOT cover all possible belt drive conditions. It is the responsibility of the belt drive system designer to ensure Gates Mectrol's belts are appropriate for a given system and application. The provided data is representative of our in-house experience and does not necessarily match product performance in industrial use. Gates Mectrol cannot assume any liability concerning the suitability and process ability of our products. We also cannot assume liability for process results, damages or consequential damages associated with the use of our products. Note, ultimate tensile strengths are listed for references purposes only. Ultimate tensile strength values listed above are a theoretical calculation based on average cord strength and may not represent actual tensile test results.

 

Pulley Design Recommendations
  • Gates Mectrol flat belts have very high strength and extremely low stretch. They are designed to be run on flat faced pulleys with flanges. Crowned pulleys should not be used
                                                         
  • Gates Mectrol flat belts are not recommended for applications which involve belt twisting. Should an application require that a belt be twisted 90°, the length over which the twist occurs should be a minimum of 15 inches for a one inch wide belt.


 
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