Digester Steam Valve

Pulp & Paper

CHALLENGE

The steam pressure control valve to the digester is subjected to high vibration and the cast iron actuator yoke legs were fracturing causing unplanned downtime.

SOLUTION

L-Series actuator with a stainless steel yoke was offered on a 6” globe control valve.  This reduced the total mass and moment arm acting on the actuator eliminating failure.

RESULTS

Customer replaces actuators on all 28 digesters with L-Series to improve pulp mill reliability.

 


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