Home
Download PDF
Order CD-ROM
Order in Print
Home
>
United Facilities Criteria CD 1
>
> Figure 2-16. Typical Normally- Open Pneumatic Valve.
Figure 2-15. Comparison Of P Mode, Pl Mode And PlDMode For a Step change in Setpoint, and The Contributions of Each Mode to Controller Output.
Figure 2-17. Close Off Pressure for Two Way Valves
Heating, Ventilating, and Air Conditioning (HVAC) Control Systems - index
Page Navigation
151
152
153
154
155
156
157
158
159
160
161
CEMP-E
TI
810-11
30
November
1998
Diaphragm
Actuating
F1
Air
Pressure
F2
Actuator
Valve
Water
Flow
F3
Figure
2-16.
Typical
normally-open
pneumatic
valve.