Operating Instructions
1
About this document
1.1
Other applicable documents
Document
Georg Fischer Planning Fundamentals Industry
Data sheet
Chemical resistance
These documents are available from the Georg Fischer Piping Systems Sales Company or at www.gfps.com.
1.2
Symbols
Symbol
Indication
Listed in no particular order.
•
►
Call for action: Here, something has to be done.
1.
Call for action in a certain order: Here, something has to be done in the specified order.
1.3
Abbreviations
Abbreviation
Indication
DN
Nominal diameter
PN
Nominal pressure
FC
FC function/spring resistance closed
FO
FO function/spring resistance opened
DA
DA function/double-action
1.4
Terms used
Term
Indication
Valve
Pneumatic diaphragm valve DIASTAR
Medium
Operating medium flowing through the valve.
Pneumatic diaphragm valve DIASTAR
700671687
www.gfps.com/is-manuals-valves
www.gfps.com
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