
max.
maximum
mm
Unit of measure for length
millimetre
μm
Unit of measure for length
micrometer
M
metric
Nm
Unit of measure for work
Newton metre
Unit fo r to rque
1 Nm = 0,737 lbft
Pound-Force (lb) + Feet (ft)
Size
Size of spanners
see Chapt. see Chapter
s. ill.
see illustration
T.VIS
®
Tuchenhagen Valve Information System
V DC
Volt direct current
V AC
Volt alternating current
W
Unit of measure for power
Watt
Inch OD
Pipe dimension acc. to British standard
(BS), Outside Diameter
Inch IPS
US pipe dimension
Iron Pipe Size
Important Abbre -
viations and terms
BS
British standard
bar
Unit of measure for pressure
app.
approximately
°C
Unit of measure for temperature
degrees centigrade
dm
3
n
Unit of measure for volume
cubic decimetre
Volume (litre) under standard conditions
DN
DIN nominal width
DIN
Deutsche Norm (German standard)
DIN Deutsches Institut für No rm ung e.V.
(Germ an institut fo r Stand ard izatio n)
EN
European standard
EPDM Material
designation
Sho rt d esignatio n acc. to DIN/ ISO 1629
Ethylene pro pylene d iene (m o no m er) rubber
GEA
GEA AG group of companies
GEA stand s fo r Glo bal Engineering Alliance
FPM Material
designation
Sho rt d esignatio n acc. to DIN/ ISO 1629
Fluo rine rubber
h
Unit of measure for time
hour
HNBR
Material designation
Sho rt d esignatio n acc. to DIN/ ISO 1629
Hyd rated acrylo nitrile butad iene rubber
IP
Protection class
ISO
International standard of the
Internatio nal Organizatio n fo r
Stand ard izatio n
kg
Unit of measure for weight
kilogram
kN
Unit of measure for force
kilo Newton
l
Unit of measure for volume
litre
2014-10 · Flow Diversion Device with Proximity switch
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