Gas Flow Theory of Operation
1 - 20 046-001141-00 A5/A3™ Service Manual
1.3.3 Key to Symbols
1.3.4 Description
1.3.4.1 Anesthetic Gas Delivery System
The Anesthetic Gas Delivery System is connected to the anesthetic agent delivery device (vaporizer),
breathing system, and anesthetic ventilator; and outputs fresh gas. The following figure shows the
pneumatic circuit of the Anesthetic Gas Delivery System.
FIGURE 1-7 Pneumatic Circuit Diagram
Filter
Regulator
Pressure Gauge
Check Valve
Gas Supply Connector
Pressure Relief Valve
Flowmeter
Flow Control Valve
Pressure Switch
Flow Restrictor
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