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bibag V2.0 Technician’s Manual
P/N 490188 Rev. D
Hydraulic Component Descriptions
100 – bibag Fill Valve
The bibag fill valve opens as needed to add water to the bibag during dialysis. When the
bibag is not used for bicarbonate during dialysis, this valve will remain closed. In rinse
and cleaning modes, this valve will alternate with valve 103.
101 – bibag Vent Valve
The bibag vent valve opens momentarily during bibag dialysis when air is detected in the
bibag air separation chamber. When the bibag is not used for bicarbonate during dialysis
(jug mode), this valve will open momentarily when air is detected in the bibag air
separation chamber.
103 – Hydrochamber Outlet Valve
The hydrochamber outlet valve opens in dialysis when valve 100 is closed. In rinse and
cleaning modes, this valve will alternate with valve 100.
104 – Bicarbonate Port Valve
Closed for bibag dialysis. Opens to empty the bibag and during bibag startup. Opens
when sodium bicarbonate concentrate is supplied. When sodium bicarbonate is supplied
by a pressurized supply, this valve will open and close based on pressure at pressure
transducer 110.
105 – Acid Port Valve
Used to regulate the pressure to the acid pump. Will open and closed based upon
pressure at pressure transducer 106.
106 – Acid Port Pressure Transducer
Senses pressure of the acid concentrate supply. Pressure detected from this sensor is used
in conjunction with valve 105 to regulate the pressure to the acid concentrate pump.
108 – Rinse Port Valve
This valve is electrically in parallel with valve 104. It opens and closes at the same time
as valve 104.
110 - bibag Pressure Transducer
The bibag pressure transducer is used to measure the pressure inside the bibag. Also used to
measure the pressure of the sodium bicarbonate concentrate source when bibag is not used.
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