12 appendix, 1 abbreviations, symbols and code letters – Moog RKP-II User Manual
Page 69

12 Appendix
Abbreviations, Symbols and Code Letters
© 2010 Moog GmbH User Manual RKP-II (CA53461-001; Version 2, January 2010) 61
12 Appendix
12.1 Abbreviations, Symbols and Code
Letters
Abbreviations, Symbols
and Code Letters
Abb.
Explanation
β
x
Symbol for filter efficiency
Δp
Symbol for pressure change
Δp
N
Symbol for nominal pressure change
ν
Symbol for viscosity
A
Connection port (consumer load connection)
ANSI
American National Standards Institute (http://www.ansi.org)
ATEX
Atmosphère explosible (synonymous for the EU Directive pertaining to
explosion protection)
B
Connection port (consumer load connection)
D
Orifice
D1, D2
Orifice diameter
DIN
Deutsches Institut für Normung e. V. (http://www.din.de)
EN
Europa-Norm (=European Standard)
EU
European Union
HFA
Special operating fluid: consists of approx. 95% water
HFC
Special operating fluid: water-based polymer solution
HNBR
Hydrogenated NitrileButadieneRubber
(sealant material, such as e. g.: o-rings)
ISO
International Organization for Standardization (http://www.iso.org)
M
Symbol for through-drive torque
M
A
Tightening torque
n
Revolution speed
n
max.
Max. revolution speed
NW
NominalWidth
Symbol for hydraulic-mechanical efficiency
p
Symbol for pressure (Pressure)
p
min.
Symbol for minimum pressure
p
max.
Symbol for maximum pressure
p
N
Symbol for nominal pressure
p
n
Symbol for maximum operating pressure
p
Connection port (pressure connection)
Q
Symbol for displacement
Q
Symbol for a pump's delivery rate
R
Revolution
SAE
American series of standards (parallel to DIN-EN standards)
WS
Wrenchsize
t
Symbol for time
T
Symbol for temperature
T
Connection port (Tank connection)
TÜV
Technischer Überwachungsverein
V[cm
3
/R]
Displacement
V
Symbol for volume (e. g. tank capacity)
V
Symbol for delivery volume
Tab. 17: Abbreviations, Symbols and Code Letters (Part 1 of 2)
η
hm