| 摘要 |
A device for the regulation of fluid discharge from a source of fluid, said device having a riser borne by the source in upright attitude; a mounting plate secured in the riser extending substantially transversely thereof having a passage therethrough; a tubular member having an end portion compressible by insertion in the passage to mount the member in upright attitude in the riser; and a sleeve telescopically mounted on the tubular member remote from the compressible end portion and endwardly adjustable on the member to regulate the hydrostatic head of fluid pressure required for fluid discharge through the riser from the source.
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