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2.3.7.2 AGSS Pneumatic Block Assembly
As a residual gas scavenging part of the anesthesia machine, the AGSS pneumatic block
assembly is connected to the gas reservoir and the hospital's negative pressure suction system.
The active AGSS pneumatic block assembly is used to turn on/off the negative pressure source,
and adjust and monitor the pump flow. The related adjustment functions and information are
displayed on the screen through an electronic system, allowing you to control the functions on the
screen.
The passive AGSS pneumatic block assembly mainly acts as the airway pipeline for connecting
the passive AGSS gas reservoir to the outside air to achieve passive scavenging of waste gas.
The active AGSS pneumatic block assembly consists of three parts: adapter block assembly, flow
regulator assembly, and ACGO waste gas inlet. The adapter block assembly connects the gas
reservoir to the flow regulator assembly and integrates the ACGO waste gas inlet pipeline. The
flow regulator assembly consists of a differential pressure gauge and a large-diameter switch
valve to implement a series of AGSS functions. The structural diagram of the active AGSS
pneumatic block assembly is shown below.
Figure 43 Structural diagram of the active AGSS pneumatic block assembly
Pilot Normally Closed Valve
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