Cycling self checking block valve

Details Cycling self checking block valve Cycling self checking block valve

1998-08-25

2000-05-09

Lee, Kevin

Fluid handling

Processes

13762413, 13762418, 137601, F16K 2100

Patent

active

060589566

ABSTRACT:
Cycling, self-checking block valve system that continuously cycles such that the user of the block valve system can determine if the system is operational at all times. A dual port block valve body contains two block valves which alternate between open and closed. The open and closing cycle is monitored for any changes, and the operator is alerted if one of the valves is not operating properly.

REFERENCES:
patent: 4609011 (1986-09-01), Uehara
patent: 4612845 (1986-09-01), Burkel et al.
patent: 4987917 (1991-01-01), Kah, Jr.
patent: 5879137 (1999-03-01), Yie

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