2 Safety
Unsafe practices and other important information are emphasised in this manual.
Warnings are emphasised by means of special signs.
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
If support air is utilised:
!
- Shock in the actuator must NEVER occur.
To prevent shock in the actuator and to prevent exceeding 8 bar product pressure, Alfa Laval recommends NOT to exceed 3
bar support air on the spring side in the 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
2321-0051
Alfa Laval recommends max. 3 bar support air
Always use the “3 bar air relief fittings” on support air.
Alfa Laval article number = 9611995903
6
