2 Safety
All warnings in the manual are summarized on this page.
Pay special attention to the instructions below so that severe personal injury and/or damage to the valve are avoided.
2.3 Safety precautions
Actuators marked with year 2012 (New actuator
design):
Alfa Laval recommend only to use 43.5 PSI (3 bar)
support air on the spring side in all the Unique 7000
actuators, to ensure 145 PSI (10 bar) product pressure
without leakage.
Alfa Laval recommend max. 43.5 PSI
(3 bar)
Plastic adapt
er (Pos. 5) is always used on the new
design.
ø6 1/5 inch
ø157.5 mm
TD 461-990
5
Actuators marked with year 2006-2011 (old actuator
design):
WARNING!
Max. 43.5 PSI (3 bar) “support air” on
spring side.
When u
sing “support air” on spring side in all the Unique
7000 actuators, the pressure must NOT exceed 43.5
PSI (3 bar).
ø6 1/7 inch
When using Unique 7000 actuators with OD156 mm
with support air, always use the “steel adapter” (pos. 5).
Tighten the “steel adapter” with torque of 21 lbf-ft (30
Nm) and use Loctite 243.
ø156
mm
The actuator with OD156 mm is mainly used on valves
ISO76/DN80 – ISO101/DN100. The outer actuator
diameter = ø6 1/7 inch (156 mm).
TD 461-990
5
6
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