7
Notes for the Reader
Abbreviations and Terms
TIP
Further useful information.
Abbreviations and Terms
Abbreviation
Explanation
ATEX
ATEX is a widely used synonym for the European Union ATEX
directives. The designation ATEX is derived from the abbreviation
of the French ATmosphère EXplosive.
BS
British Standard
bar
Unit of measurement of pressure [bar]
All pressure ratings [bar/psi] are referring to excess pressure
[bar
g
/psi
g
] if no other data is mentioned.
BSP
British Standard Pipe Tread
BSPT
British Standard Pipe Tapered Tread
approx.
approximately
°C
Unit of measurement of temperature [degree Celsius]
DN
DIN nominal width
DIN
German standard issued by DIN (Deutsches Institut für Normung
e.V, German Institute for Standardization)
EN
European Standard
GEA
GEA AG group of companies
GEA stands for Global Engineering Alliance
h
Unit of measurement of time [hour]
ISO
International standard issued by the International Organization for
Standardization
kg
Unit of measurement of weight [kilogram]
l
Unit of measurement of volume [litre]
min.
minimum
max.
maximum
mm
Unit of measurement of length [millimetre]
μ
m
Unit of measurement of length [micrometre]
M
metric
NPT
National Pipe Thread
Nm
Unit of measurement of work [newton metre]
U
NIT
OF
TORQUE
1 Nm = 0.737 lbft
Pound-Force (lb) + Feet (ft)
PA
Polyamide
PTFE
Polytetrafluoroethylene