KNF N 143 AN.12 E, Инструкция по эксплуатации и установке

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Diaphragm Pumps N 143/186.12 Installation and connection
Translation of original Operating and Installation Instructions, english, KNF 121610-121613 07/16 17
6.4.
Evacuate diaphragm’s innerspace and install
monitoring device
WARNING
Danger of dangerous gas mixtures during operation
of the pump if the working diaphragm ruptures.
Depending on the medium being pumped, a rupture
of the working diaphragm may produce a potentially
dangerous mixture when the medium mixes with the
air in the innerspace between the working diaphragm
and the safety diaphragm.

Evacuate the innerspace between the working
diaphragm and the safety diaphragm (see posi-
tion 5 in Fig. 4, p. 12) through the two holes in
the pump head (thread size G1/8).

KNF recommends monitoring the pressure of the
evacuated innerspace between the working dia-
phragm and the safety diaphragm. Immediately
stop the pump if the pressure becomes elevated.

Immediately stop the pump if the working dia-
phragm ruptures. The working diaphragm and
the safety diaphragm must be replaced before
continuing with operation (see chapter 8,
Maintenance).