Elastic seating element for a cutoff device

Details Elastic seating element for a cutoff device Elastic seating element for a cutoff device

1978-05-25

1980-11-25

Schwadron, Martin P.

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

251170, 251328, F16K 2500

Patent

active

042352576

ABSTRACT:
A seating element is positioned in a flow cutoff device. The seating element includes a central opening for conducting fluid flow. The flow cutoff device includes an apertured sealing member which slides across a seating portion of the seating element between open and closed positions. The seating portion includes a rim surrounding the central opening and a transverse surface surrounding the rim. The rim projects axially beyond the junction of the rim and surface. The seating element is mounted under compression so that the transverse surface flexes against the sealing member and functions to scrape away particulate matter when the sealing member is opened and closed, and to prevent twisting of the rim.

REFERENCES:
patent: 2973181 (1961-02-01), Johnson
patent: 3073336 (1963-01-01), Johnson
patent: 3356334 (1967-12-01), Scaramucci
patent: 3575377 (1971-04-01), Carlton et al.

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