Fluid handling – With leakage or drip collecting
Patent
1993-06-14
1994-02-22
Walton, George L.
Fluid handling
With leakage or drip collecting
74 182, 74 8917, 251214, 251229, 251250, 2513353, F16K 4104, F16K 3154, F16K 5100
Patent
active
052878813
ABSTRACT:
A bonnet is provided for operating a quarter turn valve assembly. The valve assembly includes a valve housing formed to include a fluid-conducting passage therein and a quarter turn valve moveable in the passage to regulate flow of fluid through the passage. The bonnet comprises a mechanism for moving the quarter turn valve in the passage, the moving mechanism including an elongated linkage assembly. The bonnet further includes an actuator housing containing the moving mechanism and an adapter block interposed between the valve housing and the actuator housing and configured to provide a mechanism for connecting the actuator housing to the valve housing. The adapter block includes a recess formed therein including a mechanism for receiving the elongated linkage assembly. The bonnet further includes a mechanism for coupling the actuator housing to the valve housing to trap the adapter block therebetween so that the actuator housing, adapter block, and valve housing are held together as a unit. The bonnet also includes a first seal mechanism contained in the recess for establishing a first sealed connection between the elongated linkage assembly and the adapter block to block flow of any fluid in the valve housing into the actuator housing so that removal of the actuator housing allows for maintenance of the first seal mechanism within the recess while leaving the valve housing in place.
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