Welch MXPC 603 T - Explanation of Abbreviations

Important information
Operating Manual MXPC 303 Z/603 T 7
Symbol
Explanation
General prohibition sign
General mandatory sign
Turn off power when not in use
Protective clothing – Gloves
Protective clothing – Goggles
Follow the operating instructions
General information
1.4 Explanation of abbreviations
Abbreviation
Designation or meaning
Explanation
A
Ampere
Electrical unit
Fig.
Figure
Designation
abs.
absolute
Value
AC
Alternating current
Electrical unit
OD
Outer diameter
Dimension
ATM
Atmosphere
Pressure
DC
Direct current
Electrical unit
DN
Nominal size – inner diameter
(French diamètre nominal)
Dimension
EPDM
Ethylene propylene diene rubber
Materials
EX
Exhaust
Connection designation
hh:mm:ss
Hour/minute/second
Time
hPa
Hectopascal (1 hPa = 1 mbar = 0.75 Torr)
Pressure unit
Hz
Hertz
Electric unit
IN
Inlet, suction connection
Connection designation
ID
Inner diameter
Dimension
SGJ
Spherical ground joint (DIN 12264)
Connection designation