This online article, “ Guide to heavy-duty actuator springs and valves springs,” shows how springs in process valves and actuators are the “sil ...
Riveland is currently chairman of the ISA75.01 working group on control valve sizing, is active on other ISA75 working groups, and serves on the IEC TC65B WG9 on control valves.
the author has had the benefit of being associated with a valve manufacturer with a publicly available control valve-sizing application that included installed flow and gain graphing capability. Users ...
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