Assertion: staged aspirator | /r/CapableOf | feature multiple check valves
Facets:
value: in the suction flow path
type: LOCATION
Source sentences:
text: Furthermore, by including only a single check valve in the path between the source of suction flow and each suction tap of the aspirator, flow losses which often occur in staged aspirators featuring multiple check valves in the suction flow path may be reduced.