Assertion: gate valve | /r/HasProperty | installed on the pipeline
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The gate valve is installed on the pipeline and can only be fully opened and fully closed.
text: Because of the special structure of the gate valve, when the gate valve is fully open and fully closed, the stroke is large, and the opening and closing time is long, especially during manual operation, which is time consuming, so the gate valve is usually installed on the pipeline that does not need to be opened and closed frequently. .