Ball valve cartridge for use with remote handle

Details Ball valve cartridge for use with remote handle Ball valve cartridge for use with remote handle

2011-07-12

2011-07-12

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

Flow path with serial valves and/or closures

C137S301000, C137S283000, C137S454500, C251S288000

Reexamination Certificate

active

07975720

ABSTRACT:
A ball valve cartridge is disclosed. It is especially well suited for freezeless hydrant applications and any other application where it is positioned remotely from a handle or other actuating element. The cartridge contains a ball valve element and an internal stem with a key for rotating the ball valve element between open and closed positions. The stem has rotational stop elements that limit rotational movement of the stem and the ball valve element. In a yard hydrant application, a drain valve can be added to regulate the opening and closing of the drain hole. It has an operational range of a quarter turn or ninety degrees.

REFERENCES:
patent: 5158105 (1992-10-01), Conway
patent: 5392805 (1995-02-01), Chrysler
patent: 6197195 (2001-03-01), Booth et al.
patent: 6880573 (2005-04-01), Berkman et al.
patent: 7357145 (2008-04-01), Soderberg et al.

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