Low noise ball valve assembly

Details Low noise ball valve assembly Low noise ball valve assembly

1996-09-23

1997-10-28

Fox, John

Fluid handling

Systems

Multi-way valve unit

251121, F16K 512

Patent

active

056808895

ABSTRACT:
A ball valve assembly and method in which a ball valve is rotatable in a conduit section to and from an open position in which at least a portion of a bore in the valve registers with the inlet and the outlet of the conduit section to permit the flow of the fluid through the conduit section. An insert is disposed in the bore and has a plurality of through passages formed therein for reducing the noise caused by the fluid flow though the ball valve and is operable over a relatively wide range of pressure drops and flow rates.

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patent: 4610273 (1986-09-01), Bey
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patent: 5332004 (1994-07-01), Gethmann et al.
patent: 5400825 (1995-03-01), Gethmann et al.
patent: 5509446 (1996-04-01), Bey
Series 61 and 62, High Performance Rotary Valves, INTROL, Kent Process Control, Inc., Sep. 1987.
Neles Control Valves for Gas Transmission and Distribution, Mar. 1989.
Soundtrim Modulating Low Noise Control Plug Valve, Bulletin V-37, DURCO, Jun. 1987.
Reglerventilen Som Loser Problem Med Kavitation Och Reducerar Ljud, NAF- Trimball, NAF, Sep. 1988, NAF Enertech Group.
Neles Q-Ball Standard Product Range, Liquid Phase and Gas Phase/Flashing Liquids.

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