Tight shutoff butterfly valve

Details Tight shutoff butterfly valve Tight shutoff butterfly valve

1977-06-13

1979-04-10

Cline, William R.

Valves and valve actuation

With correlated flow path

Pipe coupling or union

251306, 137375, F16K 1226

Patent

active

041484584

ABSTRACT:
A butterfly valve assembly to be installed between pipeline flanges and secured by flange bolts is disclosed. A cylindrical valve body ring, having a cylindrical bore and a face portion at each end, has a resilient elastomer lining which covers the bore and extends over a portion of the faces. A disk is attached to a shaft which extends through the body ring and liner transverse to the axis of the body ring. The valve assembly has at least one face plate with an opening which circumscribes the portion of the liner extending over the face of the body ring.

REFERENCES:
patent: 3143132 (1964-08-01), Pangburn
patent: 3346005 (1967-10-01), Hanssen
patent: 3503415 (1970-03-01), De Angelis et al.
patent: 3589675 (1971-06-01), Scaramucci
patent: 3990675 (1976-11-01), Bonafous
patent: 4014511 (1977-03-01), Uno
patent: 4079746 (1978-03-01), Killian

Affiliated with

Also associated with

Rating

Tight shutoff 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 Tight shutoff butterfly valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tight shutoff butterfly valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1067576