Security valve assembly

Details Security valve assembly Security valve assembly

1996-09-27

1998-09-01

Chambers, A. Michael

Fluid handling

With lock or seal

Locks against rotary motion

70179, F16K 3500

Patent

active

057996873

ABSTRACT:
Difficulties with accessibility to a valve and the entry of precipitation into a locking mechanism for the valve are eliminated in a security valve assembly that includes a valve body (22), (100) including a pair of spaced ports (12), (18); (102), (104) with a passage (38), (106) extending between the ports. A valve member (26), (110) is rotatable within the body between an open position and a closed position and may be rotated by an actuator (32), (118). The body (22), (100) includes a lock receiving chamber (50), (130) for removably receiving a lock (52), (136) in a direction generally transverse to the passage (38), (106).

REFERENCES:
patent: 1111618 (1914-09-01), Schoof
patent: 1621876 (1927-03-01), Doerr
patent: 4971289 (1990-11-01), Pietras

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