Assertion: valve | /r/HasProperty | activated
Facets:
value: of small size
type: OTHER
value: usually
type: TEMPORAL
value: pneumatically
type: MANNER
Source sentences:
text: Such valves are usually of small size (less than 300 mm), pneumatically activated and rotate 180 degrees back and forth.
text: The valve seat member 16, in one preferred embodiment, may be a teflon valve seat designed to accommodate the valve member 15, either of spherical ball shape or of conical shape, with the opening 16a in the valve seat sized so that when the valve is activated and the urine begins to flow, the increased surface of the exposed valve member should permit hydrostatic pressure to assist in keeping the valve open.