2 Safety
All warnings in the manual are summarised on this page.
Pay special attention to this instructions below so that severe personal injury and/or damage to the valve are avoided.
2.3
Safety precautions
Actuators
If support air is utilised:
!
- Shock in the actuator must NEVER occur
- Support air on high pressure actuator versions is NOT allowed
To prevent shock in the actuator and to prevent exceeding 10 bar product pressure, Alfa Laval recommends NOT to exceed
3 bar support air on the spring side in all the Unique SSV actuators.
Use the “3 bar air relief fitting” = 9611995903
Using the “3 bar air relief fitting” also extends the service life of the actuator piston O-ring.
If support air is connected then the following must be done:
-
Always use the steel adapter (pos. 5) = 9614065301
Tighten torque 30 Nm
-
Always use the 3 bar air relief fittings = 9611995903
5
TD 461-990_3
Alfa Laval recommends max. 3 bar support air
Always use the “3 bar air relief fittings” on support air.
Alfa Laval article number = 9611995903
7
