WHITTAKER CONTROLS, INC.
A MEGGITT PLC COMPANY
MAINTENANCE MANUAL
GAS VENT VALVE
C422425 • C422685 • C422695 • C422705 • C423095 • C423155
INDUSTRIAL PRODUCTS GROUP Revision 1.1 10/15/2004 Page 5
5. Symbols and Abbreviations
Symbols and abbreviations used in this technical manual are as follows:
AWG American Wire Gage
C Centigrade (Celsius)
DC Direct current
F Fahrenheit
Hz Hertz
kg Kilogram
kg/s Kilograms/second
kPa KiloPascal
LVDT Linear variable differential transformer
mm Millimeter
NPT National Pipe Thread
P/N Part Number
psi Pounds per square inch
psia Pounds per square inch, absolute
psid Pounds per square inch, differential
psig Pounds per square inch, gage
SPDT Single-pole, double-throw
VDC Volts direct current
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