
866.4.Maxtec www.maxtecinc.com14
8.3 Oxygen Inlet Supply:
This device was designed for an oxygen inlet pressure of 3.5 bar (50psi). Certain geographical areas
use 4 bar (58psi) or 5bar (73psi) as the standard piped oxygen distribution pressure.
This device can be operated at these pressures but the flow readings on the flow meter must be
corrected for the additional pressure. The table below gives correction factors for each flow meter
graduation indicating the percent increase in flow from nominal that will result due to the increased
inlet pressure at 4bar and 5bar.
9.0 MaxVenturi SPARE PARTS AND ACCESSORIES
9.1 Included With Your Unit
Part Number: Item:
R211P03 Adjustable Flow MaxVenturi Medical Unit with Sensor
R211M03 User’s Guide and Operating Instructions
R125P03-002 MAX-250E Oxygen Sensor
RP34P02 Air inlet filter
9.2 Standard Replacement Parts and Accessories
Part Number: Item:
R127P35 15’ coiled polyurethane oxygen hose with DISS ends.
9.3 Other Replacement Parts and Repairs
For repair or parts issues not specified in this manual refer to the MaxVenturi service manual
(R211M01), or the MaxVenturi preventative maintenance manual (R211M02).
9.4 Preventative Maintenance
It is recommended by Maxtec that service personnel check the function of the device once a year,
or as needed. The MaxVenturi Preventative Maintenance Manual will guide you through
the process. It is available for free at www.maxtecinc.com.
Nominal Flow
LPM
4 Bar
(% increase)
5 Bar
(% increase)
10 - A
20 - B
30 - C
40 - D
50 - E
13
9
7
6
5
34
24
18
16
13
60 - F 4 12
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