GEA VARIVENT X R Series, Operating Instructions Manual

Page: 101 / 104

13.2 List of abbreviations
Abbreviation Explanation
BS British Standard
bar Unit of measurement of pressure [bar]
All pressure data expressed in [bar/psi] is assumed to be gauge pressure [barg/psig]
unless explicitly specified otherwise.
approx. approximately
°C Unit of measurement of temperature [degree Celsius]
dm3n Unit of measurement of volume [cubic decimetre] standard volume (standard litres)
DN DIN nominal width
DIN German standard issued by DIN (Deutsches Institut für Normung e.V., German In-
stitute for Standardization)
EN European Standard
EPDM Material designation
Brief designation according to DIN/ISO 1629: Ethylene-propylene-diene- rubber
°F Unit of measurement of temperature [degree Fahrenheit]
FKM Material designation, short designation according to DIN/ISO 1629: Fluorine rubber
h Unit of measurement of time [hour]
HNBR Material designation
short designation according to DIN/ISO 1629: Hydrated nitrile butadiene rubber
IP Protection class
ISO International Standard of the International Organization for Standardization
kg Unit of measurement of weight [kilogram]
kN Unit of measurement of force [kilonewton]
Kv value Flow coefficient [m³/s] 1 KV = 0.86 x Cv
l Unit of measurement of volume [litre]
max. maximum
mm Unit of measurement of length [millimetre]
µm Unit of measurement of length [micrometre]
M Metric
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