Ball valve assembly with expandable valve element

Details Ball valve assembly with expandable valve element Ball valve assembly with expandable valve element

1984-04-27

1985-12-03

Schwadron, Martin P.

Valves and valve actuation

Rotary valves

Ball valve

F16K 520

Patent

active

045561974

ABSTRACT:
A ball valve assembly includes a ball valve element having a portion of the material of the ball valve element removed to facilitate expansion of the ball valve element when subjected to heat during use while minimizing the possibility of binding; the ball valve element is installed in a valve housing that is dimensioned between its inlet and outlet relative to the external dimensions of the ball valve element so as to exert a slight degree of compression on the ball element.

REFERENCES:
patent: 3472270 (1969-10-01), Masheder
patent: 3501128 (1970-03-01), Pool
patent: 4467823 (1984-08-01), Shaffer et al.

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