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ページを印刷するFume Hood Controller Owner's Manual
The terminal is available in diameters ranging from 4 to 18 inches. The terminal is available in
a variety of end configurations to match the ductwork construction. It is also available in
TEFLON ® coated 18-gauge steel for highly corrosive environments.
Venturi Air Valves
The Venturi Air Valve is a pre-packaged, easy to install airflow measurement and control
station. See Figure 6. This assembly combines the orifice plate flow sensor, differential
pressure transmitter, Electronic actuator and a Venturi Air Valve.
This arrangement provides fast acting, stable, and precise exhaust airflow control.
6
Figure 5. Laboratory Exhaust Air Terminal.
Figure 6. Single-Body Venturi Air Valve.
Siemens Building Technologies, Inc.