Assertion: valve | /r/HasProperty | hollow
Facets:
value: with vapor pathways
type: OTHER
value: with suitable apertures
type: OTHER
value: typically
type: DEGREE
Source sentences:
text: For this purpose the valve is typically hollow, with suitable apertures and vapor pathways connecting the lower and upper portions of the main valve body, terminating in a vent outlet in the upper portion of the valve body.
text: Extending downwardly into the bore 44 of the valve gate member 32 is the lower end portion of an upper valve stem 52, the valve stem 52 being hollow, as indicated at 54, and having at least its lower end provided with interior threads for receiving the exterior threads of the lower valve stem .48.