15 Appendix
15.1 Lists
15.1.1 Abbreviations and terms
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]
dm
3
n
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 Institute for Standardization)
EN European Standard
EPDM
Material designation
Short 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: Hydrogenated
Acrylonitrile Butadiene Rubber
IP Protection class
ISO
International standard of the International Organisation for
Standardisation
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]
Appendix
Lists
430BAL008386EN_3
07.02.2022 77
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