List of symbols
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Below is a list of symbols used in the technical data sheets for plank gratings and stair treads. The symbols are used to give a quick overview of the essence of properties of the individual product. There will often be many other options, so please contact our sales department for further information. 
 
Application
Industry
General
  
Windmills & alternative energy
Aqua- and
Cleaning plant
Tunnels &
Dams
 
Offshore & oil industry
Shipping industry
Ships and marine systems
Transport industry
Motorcar & train industry

  
Bridges
Drive, bicycle & foot bridges
Chemical industry
Corrosion environments
Residential housing
general
 
CHP plant
Power plant
Scaffolding
Construction sites
  
  
Slip resistance
High slip resistance Slip resistant
Less slip resistance
  
   
  
Manufacture - General
Gratings and planks may be custom made
 
Standard programme  
  
  
Manufacture - Plank gratings
Possible delivery of pre-fabricated elements, either custom/made or in standard lengths.
 
Possibility for welding of individual plank elements to grating panels.
   
  
Manufacture - Mesh gratings
Indicates possibility for different mesh sizes: Smallest mesh size (c/c). Largest mesh size (c/c). Interval between possible mesh sizes.  
 
Indicated possible material dimensions (thickness of bearing bar).
 
  
  
Drainage
Low (0-19%)
 
Good (20-50%)
High (51-99%)
 
  
  
Materials
Steel
- various ranges
 
Aluminium
- various ranges
Stainless steel
- various ranges
  
  
Strength to weight ratio
Low s/w ratio
 
Medium s/w ratio
High s/w ratio
  
  
  
Adjustment
Possibility for curved and straight cutouts in grating
  
Square or rectangular shape of grating Possibility for bias cutting of grating
Possibility for curve-cut shape of grating
 
  
  
Regulatory requirements
The Health and Safety requirement that a 15 mm ball must not fall through the grating
  
The Health and Safety requirement that a 30 mm ball must not fall through the grating
 
(ES) The Health and Safety requirement that a 8 mm ball must not fall through the grating 
Regukatory requirenebts in Spain