Praher Plastics 4 PVC-U, Руководство пользователя

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Residual Risk
6.1
Hazard generated by current
Manipulation of the diaphragm valve pneumatically actuated and its
superstructural parts by operating staff is strictly prohibited and may only be
performed by duly authorized staff, qualified for electrical work. Compliance
with the corresponding instruction and prohibition signs is required.
6.2
Hazard generated by human error
The operating staff must be instructed in regard to the residual danger resulting
from electricity and familiarized with correct operation. Efficiency of the safety
training must be verified.
6.3
Hazard generated by current during cleaning work
Cleaning of the diaphragm valve pneumatically actuated and its superstructural
parts may only be performed after disconnection from power supply (lever
switch).
General
Operating pressure: PN10
Control functions:
NC normally closed
NO normally open
DA double acting
Control air sucket: stainless steel
Control air: neutral gases / air
Installation position: any, preferred drive facing upwards