Three-way ball valve

Details Three-way ball valve Three-way ball valve

1998-08-14

1999-11-23

Recla, Henry J.

Fluid handling

Systems

Multi-way valve unit

13762546, 13762522, 25131501, E03B 3100, E03C 3100, F17D 3100

Patent

active

059882204

ABSTRACT:
In a vertical type three-way ball valve wherein a ball (2) fitted on a stem (8) is accommodated in a valve body (1) and a flow passage is switched by the rotation of the stem (8), the ball (2) has a first port (13), a second port (14) and a third port (15) oriented in the directions vertical to the axis of the stem (8), and a fourth port (16) oriented in the axial direction of the stem (8), wherein a flow passage formed between the first port (13) and the second port (14) and a flow passage formed between the third port (15) and the fourth port (16) are isolated from each other by a partition wall (17).

REFERENCES:
patent: 3684241 (1972-08-01), Hartmann et al.
patent: 4441524 (1984-04-01), Mese
patent: 4685488 (1987-08-01), Corbin et al.
patent: 4809949 (1989-03-01), Rakieski
patent: 4915133 (1990-04-01), Harrison

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