03-31-2016 06:29 AM
03-31-2016 10:54 AM
My guess is that they are used to weigh water density? Sorry I coudn't be more helpful.
08-05-2017 01:23 PM
12-19-2017 07:33 PM
12-20-2017 10:12 AM - edited 12-20-2017 10:14 AM
@zweibarren4 wrote:
Weights for an adjustable relief valve. 27.6" of water=1 psi, so 2.30"=.083333psi=1/12 psi
This is the correct answer, normally used in industrial process control as a vacuum limiter/relief.
edit; Darn, I got tricked into necroposting to a 2-year-old thread by a foreign language translation.