Distance Between Mesh
and Danger Point

Maximum Mesh Opening

mm

inches

mm

inches

13 to 38

0.5 to 1.5

6

0.250

38 to 64

1.5 to 2.5

10

0.375

64 to 89

2.5 to 3.5

13

0.500

89 to 140

3.5 to 5.5

16

0.625

140 to 165

5.5 to 6.5

19

0.750

165 to 191

6.5 to 7.5

22

0.875

191 to 216

7.5 to 8.5

32

1.25