Assertion: valve's stem | /r/CapableOf | extend for reception of an operating nut
Facets:
value: out of a bonnet
type: OTHER
Source sentences:
text: In addition to the above, gate 'valve structures having a nonrising upper stem extending from within to out of a bonnet for reception of an operating nut could not ordinarily have the upper stem seal changed with the gate element being in a predetermined position, otherwise the stem would fall down within the bonnet.