Fluid handling – Processes – Cleaning – repairing – or assembling
Patent
1993-05-18
1994-04-12
Fox, John C.
Fluid handling
Processes
Cleaning, repairing, or assembling
137240, F16K 1100
Patent
active
053017102
ABSTRACT:
The system of the present application include a plurality of flow control devices. The device of the present application, an automatic flow control device, provides means for maintaining a constant flow rate of strained fluid despite varying differential pressures and employs a combination of a unitary body with a ball valve assembly, a strainer assembly, and a flow control valve assembly. The unitary body provides a compact valve with minimum threaded joints and access to the various components thereof with minimum disassembly thereby enabling, for example, changing the flow rate within the device without taking the device off-line or removing various components to allow the device, and the system, to be flushed by subjecting it to excessive flow. The methods of the present application relate to the installation and use of the system.
REFERENCES:
patent: 5076310 (1991-12-01), Barenburg
Fox John C.
Griswold Controls
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