Alfa Laval Unique SSV Two Step, Инструкция по эксплуатации

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5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section. Handle scrap correctly.
NC = Normally closed.
NO = Normally open.
A/A = Air/air activated.
5.5 Actuator types
Different actuator types for the SSV valve
In June 2016 the below change was implemented and the “removable yoke with bolts” version is thereby phased out and
replaced by the “yoke without bolts” version.
NOTE
It is important to check for warnings marked on the actuator when servicing an actuator - see below table.
Non-maintainable actuator
Spring under load and
CANNOT be opened Fully maintainable actuator
Spring cage and can be
opened Fully maintainable actuator
Spring cage and can be
opened
2200-0098
*
DO NOT DISASSEMBLE
kg
!
2200-0096 2200-0097
*) Lock wire opening is locked,
when warning is marked on
actuator
Actuator type
Non-removable yoke “Removable yoke with bolts”.
If the yoke with bolts is
damaged it has to be replaced
by the “yoke without bolts” “Yoke without bolts”
Yoke type
Not possible to service
internally (it is not possible to
change piston o-rings) Yes Yes
Service
Yes No No Marked with warnings
From 2006 From 2006 to June 2016 From June 2016
Year of production
28