Gas Flow Theory of Operation
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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