Position indicating valves

Details Position indicating valves Position indicating valves

1980-02-11

1981-11-17

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Push or pull operator

251333, F16K 136, F16K 142

Patent

active

043007503

ABSTRACT:
Indicator valve unit for providing a change in fluid pressure as a remote indication of whether an object occupies a desired position. Particularly useful for indicating whether a component, such as a multiple string tubing hanger, has been properly oriented and landed in an underwater well installation, the indicator valve unit provides for automatic separation of the sensing element of the unit from the sensed object as soon as the valve has been actuated.

REFERENCES:
patent: 3488095 (1970-01-01), Rath

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