Safety Positions - Alfa Laval 8693 Anleitung

14. safeTy PosiTions
safety positions after failure of the auxiliary power
actuator
designation
system
single-acting
Control
up
function A
down
36
safety positions after failure
of the auxiliary power
electrical pneumatic
pilot-controlled
control system:
down
down
direct-acting
control system:
not defined
english
Type 8692, 8693
Safety Positions
actuator
designation
system
single-acting
Control
up
function B
down
double-acting
Control
up
function I
down
Tab. 22: Safety positions
safety positions after failure
of the auxiliary power
electrical pneumatic
pilot-controlled
control system:
up
up
direct-acting
control system:
not defined
down / up
(depending
on the con-
not defined
nection of
the control
lines)