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List of abbreviations garage equipment

Short Cut   Description
 
Ø   diameter
 
1~AC   1-phase alternate currency
 
3~AC   3-phase alternate currency
 
a   male
 
AC   alternate currency
 
B   size of product
 
BD   operating pressure
 
°C   degree Celsius
 
dB (A)   Dezibel, A-weighted noise level (referring to silent condition)
 
D   mounting on ceilings
 
DC   direct-currency
 
DH   double strokes
 
DIN   German Institute for Industrial Standards
 
DN   inside diameter, in millimetres
 
DW   double acting
 
DL   air pressure
 
ED   operating time
 
EF   calibrate for public sales
 
EN   European Standard
 
EZP   electric gear pump
 
G   Whitworth Pipe Thread, cylindrical ISO 228 (DIN 259)
 
GDA   enceased, outside swivel
 
GDI   enceased, inside swivel
 
H   coupler for hydraulic grease nipples acc. DIN 71 412
 
i   female
 
IP   Internal Protection
 
kg   kilogram
 
KW   kilowatt-hour
 
LBH   length x width x height in millimetres
 
LW   width
 
M   metric thread, cylindrical DIN 13
 
m   meter
 
mm   millimeter
 
mPas   millipascal per second
 
my   10-6 meter
 
ND   nominal pressure
 
NEF   not calibrate for public sales
 
NLGI   viscosity class 000 to 6, as defined by National Lubricating Grease Institute, USA
 
NW   nominal width = inside diameter
 
O   Open, not encased
 
PN   nominal pressure or operating pressure
 
PNP   pneumatic pump
 
PTB   Phyiscal Technical Institute of Germany
 
Q   heat transfer oil
 
R   Whitworth thread, tapered, similar to DIN 3858
 
1 SN   high pressure hose, DIN 20 022 (EN 853)
Part 3 comp. To SAE 100 R1T with one braid enforcement
 
2 SN   high pressure hose, DIN 20 022 (EN 853)
Part 4 comp. To SAE 100 R2T with two braid enforcement
 
SAR   hose reel
 
SRL   suction pipe length, following sizes in mm
 
SW   wrench width
 
TRBF   Technical Guideline for inflammable fluids
 
TW   tank truck
 
V   volt
 
VA   volt-ampere
 
WB   wall and floor mounting
 
WHG   Water/Enviromental Protecting Law (German)