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Items Tagged with 'bob donnelly'

ARTICLES

Media containment: Still a major concern

October 1, 2013
Any leakage from a valve in service is a major concern. It is even more critical when the process being controlled involves hazardous materials.
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Benefits follow use of larger-series pneumatic rack-and-pinion actuators

March 1, 2013
The extended size range of today’s pneumatic rack-and-pinion valve actuators that can now automate up to 32-inch butterfly valves, and up to 14-inch ball valves, offers an advantageous alternative to the large-size, scotch-yoke actuator mechanism that has been popular in industry for quite some time.
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