The Planted Tank Forum - View Single Post - Metering(needle) valves selection for our CO2 pressurized system
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Old 07-11-2011, 04:14 AM   #43
Bettatail
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Quote:
Originally Posted by btimmer92 View Post
example metering valve specs:
metering valve 1: 10 turns from 0bps-100bps
metering valve 2: 10 turns from 0bps-100bps

Let's say that metering valve 1 is set at 10bps

the adjustment span of metering valve 2 is NOT: 10 turns from 0bps-10bps
it is actually 1 turn from 0-10bps, and after 1 turn, it will do nothing.
HA.
pressure difference.
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