Valve flange connection

Details Valve flange connection Valve flange connection

2005-03-29

2005-03-29

Lee, Kevin (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C251S148000

Reexamination Certificate

active

06871664

ABSTRACT:
A flange is provided for a valve which extends in a radial direction outwardly from the valve and has a peripheral edge. The peripheral edge is comprised of a series of outer surfaces positioned at or beyond a first radial distance from a center point of the valve, and may be in the form of tabs, and an alternating series of inner surfaces positioned at or within a second radial distance from the valve or flange center point, as intervening portions. At least one of the outer surfaces and inner surfaces may be sized and arranged to supportingly engage a plurality of series of connecting bolts which extend perpendicular to the radial direction, wherein the plurality of series of connecting bolts are arranged on bolt circles of different diameters relative to the valve.

REFERENCES:
patent: 4079751 (1978-03-01), Partridge et al.
patent: 4257451 (1981-03-01), Paton
patent: 4751938 (1988-06-01), Kerns et al.
patent: 5246032 (1993-09-01), Muddiman
patent: 5301709 (1994-04-01), Gasaway
patent: 5711343 (1998-01-01), Beckett

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