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Comparison of Non-slip magic grating w/safety net and normal grating for ship

  • Non-slip magic grating w/safety net
  • Non-slip safety net magic grating
  • Normal grating for ship
  • Lattice style ship grating

For ship grating, space limit is 15mm to meet the NMD rule. Generally normal grating
is made to meet the rule by inserting a bar on 30mm space of I bars.

* NMD RULE : Norwegian Maritime transportation Department Rule – for ship grating,
the space between 2 bars should be no more than 15mm to prevent any falling of
small tools, bolt etc. 15mm ball shouldn’t be falling out on the grating.

Non-Slip Magic Grating w/Safety net
Space Weight Decreasing
38.4㎜ 27.1kg 29.1%
Normal Grating for Ship
Space Weight
30㎜ 38.2kg