Assertion: valve's stem | /r/HasProperty | threaded
Facets:
value: exteriorly
type: MANNER
value: for manual valves
type: PURPOSE
Source sentences:
text: Common gate valves are actuated by a threaded stem that connects the actuator (e.g. handwheel or motor) to the gate.
text: The gate valve moves up or down on the threaded stem when in operation.
text: Stems are either smooth for actuator controlled valves or threaded for manual valves.
text: This occurs because the stem is threaded and mated with the bushing threads of a yoke that is an integral part of, or is mounted to, the bonnet.
text: In more detail, the valve stem 22 is exteriorly threaded as indicated at 38 and is provided at its upper end with an annular flange 40 that bears against at least one anti-friction washer 42 positioned in a counterbore 44 of the bonnet member 14.
text: In more detail, the valve stem 22 is exteriorly threaded as indicated at 38 and is provided at its upper end with an annular flange 40 that bears against at least one anti-friction washer 42 positioned in a counterbore 44 of the bonnet member 14.