What does a speedaire model # 21785B, 7.5 hp 2 phase motor compressor weight?

by mark goodwin
(pleasanton CA)

where can I find the weight of this compressor ? I built a wall mounted platform for it and to get it inspected by the city building dept. they require the weight.I would also like to put vibration isolaters on it, can you recommend what type would be best?

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Bill says...

I can't find that model, Mark. But if you go here:

http://www.grainger.com/Grainger/SPEEDAIRE-Stationary-Air-Compressor-4XA62?Pid=search

This is a 7.5 HP unit that weights 666 lbs. I suspect then, if you add another 100 lbs. or so for safeties sake, you should have a close weight.

As to vibration, isolating the feet from the platform with an elastomeric (rubber type) mount might do, or you can move up to wire spring isolators, etc. Google these terms for much more info. Depends on how much money and vibration reduction you want.

The motor and pump are probably already isolated from the mounts with elastomeric mounts.

Cheers,

Bill