Specifications

Multiplex Company, Inc.
Complete System Overview
00218011 Revision B (KAK) 31 July, 2000
10
Check Valves
Function of the check valves
Prevents the back-flow of a liquid or gas by allowing flow in one direction only.
CO2 Check Valves
Single check valve for incoming CO
2 to prevent water from backing up into the regulator and CO2
tank.
Water Check Valves
Double check valve and or back-flow preventer to keep CO
2 from backing up into the water
supply, and to provide a shower of water into the carbonator tank to absorb more CO
2.
Failure of the check valves
CO2 Check Valves
Liquid could back up into gas regulators and/or CO
2 tank causing damage.
Water Check Valves
CO
2 could back up into the plain water supply or cause back flow preventer to dispel CO2 or
water into the water bath.
Notes:
w Could restrict water flow if sticking
w Check for CO
2 escaping from vent hole or
w Slowly disconnect line from top of check valve, if anything is escaping, check valve
needs to be cleaned or replaced
Double Check Valve
Vented Double Check Valve
Back-flow
Preventer
(Vent)