Stop and lock plate for use with valve

Details Stop and lock plate for use with valve Stop and lock plate for use with valve

1992-01-27

1992-08-18

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

137385, 251 93, 70180, F16K 3500

Patent

active

051390418

ABSTRACT:
A valve having a rotatable valve stem for positioning the valve in open and closed positions is provided with a plate which is cooperable with a valve handle for both stopping the handle in either of the valve open or valve closed positions and for locking the handle in said positions by means of a padlock.

REFERENCES:
patent: 2399578 (1946-04-01), Smith
patent: 4162690 (1979-07-01), Anderson
patent: 4534379 (1985-08-01), Burge
patent: 4852610 (1989-08-01), McHugh
patent: 4909275 (1990-03-01), Massey et al.
patent: 5014528 (1991-05-01), Roberts
patent: 5052655 (1991-10-01), Ackroyd

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