Branson Emerson Ultraseal 20 Operating Manual page 49

4.4.4 Factory Air
The factory compressed air supply must be "clean, dry and unlubricated" air with a
regulated maximum pressure of 100 psig (690 kPa). Depending on your application, the
actuator requires between 70 to 80 psi. Use a lockout device on the air line if required.
WARNING
4.4.4.1 Pneumatic Connections to Actuator
Air connection to the Ultraseal 20 actuator is made to the air line connector on the rear of
the Controller using the UltraSplice 40 airline harness.
DCM00051 REV. 10
Synthetic air compressor lubricants containing Silicone or WD-40 will
cause internal actuator damage and failure due to the solvents
contained within these types of lubricants.
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