Modes Of Operation; General Overview; Fo-Mode - Georg Fischer DIASTAR SIX Manuel D'utilisation D'origine

5. Modes of operation

5.1 General Overview

Legend
1 = Optical position indicator with cap
2 = Piston
3 = Air connections
4 = All-plastic housing
5 = Diaphragm holder
6 = Compressor
7 = Diaphragm
8 = Valve body
9 = Pre-loaded spring sets for FC-mode
10 = Spring for FO-mode
DA-mode without spings
You will recognize the type of diaphragm with the
colour of the friction lock on the valve body:
EPDM
PTFE/EPDM
PTFE/FPM
FPM
NBR
black
white
green
red
blue
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