AM852 Veterinary Anaesthesia machine User’ Manual
29
Figure 9-1 Legend
Gases supply
Gases enter the system through interface of pipeline, all conjunctions have the bond which
is labeled by gas tab. Pressure gauge displays airway pressure.
N2O driven regulate valve controls the N2O flowrate going to flow control valve. The
output of N2O is adjusted by O2 pressure of the control port. It can cut off the N2O current
when O2 pressure is in trouble and ensure the low N2O pressure descends with O2
pressure until N2O has been cut off. Ensure the concentration of O2 at fresh gas outlet is
more than 25%. When the pressure of O2 is too low, alarm device sends sound of low O2
alarm.
Mixture Gas
From the outlet of flowmeter, mixture gas passing by support circuit and evaporator if it is
open, flows to fresh gas outlet and comes into respiration system
.
Serial No.
name
Serial No.
name
1.
pressure gauge
8
alarm
2.
pressure gauge
9
linkage flowmeter
3.
pressure regulator
10
O
2 f
lush valve
4.
N2O driven regulate valve
11
unidirectional valve
5.
unidirectional valve
12
evaporator
6.
gas storage cylinder
13
Flash gas outlet
7.
alarm shift valve
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