GEA VARIVENT Vacuum Valve V - Abbreviations and Terms

7
Notes for the Reader
Abbreviations and Terms
IMPORTANT NOTE
Warning: Damage to Property.
Non-observance of the warning note can cause serious damage to the valve or 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 ratings [bar/psi] stand for over pressure [bar
g
/psi
g
]
if this is not explicitly described differently.
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}