Fluid flow control device and compression member therefor

Details Fluid flow control device and compression member therefor Fluid flow control device and compression member therefor

1987-10-14

1989-02-28

Chambers, A. Michael

Valves and valve actuation

Valve

Seats

251172, 137522, F16K 2500

Patent

active

048078492

ABSTRACT:
A fluid flow control device and a compression member therefore permit the clamping of a seal of the device without the presence of internal threads so that high purity can be maintained. The compression member comprises a first suface centrally located on one side of the member for applying a concentrated central force to the seal and a diametrically larger second surface on a second side of the compression member opposite the first side. At least a radially outer portion of the second surface is elevated with respect to a radially inner portion thereof to provide a contact surface upon which the diametrically larger force is applied.

REFERENCES:
patent: 2670922 (1954-03-01), Carlisle et al.
patent: 2751185 (1956-06-01), Shand
patent: 2799470 (1957-07-01), Margrave
patent: 3114391 (1963-12-01), Kurtz
patent: 3181834 (1965-05-01), Jennings et al.
patent: 3266769 (1966-08-01), Shand
patent: 3420493 (1969-01-01), Kraft
patent: 4020864 (1977-05-01), Church, Jr.

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