Valve accessory
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United States of America Patent
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-
Mar 23, 2004
Grant Date -
Apr 24, 2003
app pub date -
Oct 2, 2002
filing date -
Oct 2, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A valve actuator adaptor attaches a rotary valve whose mounting is in accordance with ISO 5211/DIN 3337 to a rotary actuator whose mounting is not in accordance with ISO 5211/DIN 3337. The adaptor has first and second mounting surfaces to which the valve head and the actuator are respectively secured and a coupling link extends through the body of the adaptor to interconnect the actuator drive shaft and the valve stem. The adaptor has holes which extend from the first mounting surface to an exposed surface intermediate along the axial length of the actuator. That exposed surface is formed by recesses in the body of the actuator and by partial flanges. Screws or bolts then pass through those holes to the adapter to the valve head, the exposed surface having recesses therein, which recesses are shaped to receive the heads of the screws or bolts, or nuts on the bolts, to prevent them rotating.
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