Power Limiting Device (aka Cruise Control)
- Original Message -
From: bcasterl...@fsc-inc.com [mailto:bcasterl...@fsc-inc.com]
Sent: Sunday, October 07, 2012 12:18 AM
To: sprinklerforum@firesprinkler.org
Subject: Re: Fire pump annual test
on 2nd thought (calc), 65-70% is closer, I bet.
7
on 2nd thought (calc), 65-70% is closer, I bet.
78% is 4500 @ 170.
by the way, what does PLD stand for?
Quoting bcasterl...@fsc-inc.com:
George,
78% efficient at overload.. not too shabby!
Do you recall the rated RPM? If I assume a 14" impeller diam. I get 2600 RPM.
I thought about converting t
George,
78% efficient at overload.. not too shabby!
Do you recall the rated RPM? If I assume a 14" impeller diam. I get 2600 RPM.
I thought about converting the 400 speed reduction to the pump room
temperature rise but said nahhh.. it would be negligible against the
1st law of testosterone, Lo