Replaceable seal members for butterfly valve

Details Replaceable seal members for butterfly valve Replaceable seal members for butterfly valve

1997-06-20

1999-02-16

Fox, John

Valves and valve actuation

Rotary valves

Butterfly

251305, F16K 122

Patent

active

058712038

ABSTRACT:
A butterfly valve having a valve body with a seat therein and a valve disc carried on a rotatable shaft such that the valve disc can be moved into and away from sealing engagement with the valve body seat is provided with a removable and replaceable seat member forming the valve body seat and a removable and replaceable sealing surface member is mounted on the valve disc which is sealingly engageable with the seat member when the valve disc is moved into sealing engagement with the valve body seat. The valve body seat preferably is sized to be press fit into a recess in the valve body and retained therein without additional fasteners. This butterfly valve can be used in a single, double or triple offset valve and the valve can be attached to a pipe in any conventional manner. The valve seat material and the sealing surface material may be solid metal, a resistant material such as nylon or Teflon.RTM., may have a metal insert or may have a high temperature insert such as graphite.

REFERENCES:
patent: 3537683 (1970-11-01), Snell, Jr.
patent: 3963213 (1976-06-01), Brattberg
patent: 4254937 (1981-03-01), Hubertson
patent: 4281817 (1981-08-01), Adams et al.
patent: 4436281 (1984-03-01), Chiron
patent: 4601459 (1986-07-01), Verdelet
patent: 4785844 (1988-11-01), Pankov
patent: 4944489 (1990-07-01), Adams et al.
patent: 5097635 (1992-03-01), Beasley
patent: 5305787 (1994-04-01), Thygesen
Vanessa Valve Brochure Publication Date-unknown.

Affiliated with

Also associated with

Rating

Replaceable seal members for butterfly valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Replaceable seal members for butterfly valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Replaceable seal members for butterfly valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2056587