Fluid handling – With indicator – register – recorder – alarm or inspection means – Inspection means
Patent
1989-03-08
1991-02-19
Rivell, John
Fluid handling
With indicator, register, recorder, alarm or inspection means
Inspection means
251206, 251208, 251209, 251315, 73168, G01M 1910, F16K 510
Patent
active
049934538
ABSTRACT:
A valve and an arrangement for testing and draining a fire suppression water sprinkler system includes a valve which has a thinly walled valve member for allowing fluid flow from an inlet to an outlet of the valve. The thinly walled nature of the valve member provides for economical fabrication of the valve. The selective rotation of the valve member interrupts a flow of water through the valve and permits a flow at two different preselected flow rates. The first preselected flow rate permits a drainage of the sprinkler system and the second preselected flow rate permits a testing of the sprinkler system.
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Rivell John
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