Valve lock

Details Valve lock Valve lock

1992-09-18

1993-06-15

Schwadron, Martin P.

Valves and valve actuation

With means for blocking or disabling actuator

Attachments

F16K 3500

Patent

active

052191478

ABSTRACT:
A shut off valve has a valve lock that snaps onto a cylindric of the valve body and locks the shut-off valve in its open position by retaining the cross bar of a rotatable T-shaped handle in a parallel position in a housing portion of the valve lock. The valve lock also snaps onto the cylindrical end section to retain the cross bar in a perpendicular position at the end of the housing portion to lock the shut-off valve in its closed position.

REFERENCES:
patent: 4971289 (1990-11-01), Pietras
patent: 5094265 (1992-03-01), Jackson

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