Noise control in ventilation
Why is it such an issue? In 1999 the WHO (World Health Organisation)…
Type NM
Type NM are neoprene‐in‐ shear mounts moulded from high grade synthetic neoprene with added anti‐ozone and anti‐oxidant agents.
A threaded insert is embedded in the top of the mount and a pre‐drilled steel load plate in the bottom of the mount.
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Dimensional Data mm | Load Range Kg | Nom Defl mm |
|||||||
---|---|---|---|---|---|---|---|---|---|
Mount Type | A | B | C | D | E | F | G | ||
NM/1 | 22 | 50 | 61 | 38 | 18 | 6 | 4 | 2‐18 | 3 |
NM/2 | 28 | 60 | 74 | 41 | 32 | 8 | 6 | 9‐12 | 4 |
NM/3 | 41 | 70 | 97 | 59 | 38 | 12 | 11 | 18‐360 | 5 |
NM/4 | 30 | 60 | 74 | 41 | 37 | 8 | 6 | 9‐72 | 9 |
NM/5 | 41 | 70 | 98 | 60 | 59 | 12 | 11 | 18‐360 | 10 |
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