Gate valve locking arrangement

Details Gate valve locking arrangement Gate valve locking arrangement

1993-10-22

1994-10-11

Chambers, A. Michael

Fluid handling

With lock or seal

Locks against rotary motion

70177, 70212, F16K 3502

Patent

active

053538331

ABSTRACT:
A gate valve locking arrangement in which a steel bracket is clamped on a portion of the truss extending upwardly from the valve bonnet and supporting the gate valve spindle and wheel, the bracket having a rigid bar extending upwardly and capped by a L-shaped member seating against the inside of the wheel. The bracket may be secured in a fixed portion relative to the wheel by a cylindrical lock having a recess into which the vertical portion of the L-shaped member is inserted and locked, or by a padlock in certain applications.

REFERENCES:
patent: 1924831 (1933-08-01), Bockman
patent: 2161626 (1939-06-01), Loughner et al.
patent: 2324633 (1943-07-01), McCarthy et al.
patent: 2390972 (1945-12-01), Weinberg
patent: 4397332 (1983-08-01), Sample

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