Notes for the Reader
Abbreviations and Terms
8
Operating Instructions · Control Valve A
Edition 2016-06-07
IMPORTANT NOTE
Warning: Damage to Property.
Failure to observe the warning can result in serious damage to the valve or in the vicinity
of the valve.
The arrow identifies a precautionary measure you have to take to avoid the hazard.
Carry out the following steps:
= Start of a set of instructions.
1.
First step in a sequence of operations.
2.
Second step in a sequence of operations.
Result of the previous operation.
The operation is complete, the goal has been achieved.
NOTE
Further useful information.
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
[bar
g
/psi
g
] unless explicitly specified otherwise.
approx.
approximately
°C
Unit of measurement of temperature [degree Celsius]
dm
3
n
Unit of measurement of volume [cubic decimetre]
Volume (litre) at standard temperature and pressure
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]