Coupler Plate for Ladder Type and perforated Type Trays

  • In order to maintain proper earth continuity bond, painting on surfaces in contact between coupler plates and cable tray shall be scrapped at the time of installation
 
 
 
 
 
 

 
Material : HR Sheet / SS Sheet/ Al Sheet, Angle etc.
Finish : Red Oxide/ Enamel Paint/ Epoxy Paint/ Hot Dip Galvanised / Anodised or as per customer specification.
 
Accessories can be made as per customer specification
  
 
Schedule of permissible loads
All figures given represent the maximum permissible 
uniformly distributed load in kgs. per running meter
Unsupported Free Span
 
W   Size   H 600 mm 1200 MM 1800 mm 2500 mm
100 mm x 1.6 mm x 50 mm 1430 355 156 87
150 mm x 1.6 mm x 50 mm 1458 362 159 88
225 mm x 1.6 mm x 50 mm 1498 371 160 89.4
300 mm x 1.6 mm x 50 mm 1540 380 162 91.3
375 mm x 2 mm x 50 mm 1955 483 210 116.7
450 mm x 2 mm x 50 mm 1958 483 210 110.7
600 mm x 2mm x 50 mm 1964 481 208 110.4
300 mm x 2mm x 62.5mm 2680 664 290 16.1
375 mm  x 2mm x 62.5mm 2685 664 290 161.3
450 mm  x 2mm x 62.5mm 2689 664 289 158.9
600 mm x 2mm x 62.5mm 2698 664 289 157.1
750 mm x 2mm x 62.5mm 2707 666 287 155.7
900 mm x 2mm x 62.5mm 2716 667 287 153.7
600 mm x 2mm x 75 mm 3491 861 377 206.5
750 mm x 2mm x 75 mm 3513 868 377 205.02
900 mm x 2mm x 75 mm 3535 874 378 205.02

Formula
The maximum permissible point load at-mid-span may be obtained from the formula
P=  ½ X U X C
Where P = maximum permissible point load in kgs. at mid-span. 
U = maximum permissible uniformly distributed load in kg per running meter.
S = the particular free span in meter

Free Span Exceeding 16ft. are not recommended.
  
 
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