Assertion: dedicated system damper | /r/HasProperty | labeled maximum pressure differential
Facets:
value: across the damper face
type: LOCATION
value: with the maximum rated air flow
type: OTHER
Source sentences:
text: Dynamic system dampers must be labeled with the maximum rated air flow under which the damper will close, the maximum pressure differential across the damper face when it is in the closed position, and the air flow direction.