Moog D633-A Series, User Manual

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15 Appendix Abbreviations, symbols and identification letters
© Moog GmbH User Manual "D633-A Series" (CA80942-001; Version 1.0, 12/08) 76
Q Symbol for flow
Q Symbol for delivery of a pump
Q
L
Symbol for leakage flow
Q
max
Symbol for maximum flow
Q
N
Symbol for rated flow
R
a
Symbol for average roughness
R
in
Symbol for input resistance
SELV S afety e xtra- l ow v oltage
T Symbol for temperature
T Valve port (tank port)
t Symbol for time
TN T echnical N ote
TÜV T echnischer Ü berwachungs v erein (German technical inspection agency)
UV U ltra v iolet
V Symbol for volume (such as e.g., tank capacity)
VDI V erein D eutscher I ngenieure e. V.
(association of German engineers; http://www.vdi.de)
VDE V erband d er E lektrotechnik Elektronik Informationstechnik e. V.
(German association of electrical engineering, electronics and information
technology;
http://www.vde.de)
WAF W idth a cross f lats for wrenches
X Valve port
X1 Designations for the valve connector
Y Valve port (leakage port)
Abb. Explanation
Table 22: Abbreviations, symbols and identification letters (part 2 of 2)
Table 22: Abbreviations,
symbols and identification
letters