CA681649A - Butterfly valves - Google Patents

Butterfly valves

Info

Publication number
CA681649A
CA681649A CA681649A CA681649DA CA681649A CA 681649 A CA681649 A CA 681649A CA 681649 A CA681649 A CA 681649A CA 681649D A CA681649D A CA 681649DA CA 681649 A CA681649 A CA 681649A
Authority
CA
Canada
Prior art keywords
butterfly valves
butterfly
valves
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA681649A
Inventor
E. Swain Frank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA681649A publication Critical patent/CA681649A/en
Expired legal-status Critical Current

Links

CA681649A Butterfly valves Expired CA681649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA681649T

Publications (1)

Publication Number Publication Date
CA681649A true CA681649A (en) 1964-03-10

Family

ID=35982732

Family Applications (1)

Application Number Title Priority Date Filing Date
CA681649A Expired CA681649A (en) Butterfly valves

Country Status (1)

Country Link
CA (1) CA681649A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519579A (en) * 1983-02-14 1985-05-28 Fisher Controls, International, Inc. Cam valve self-centering seat
US4988076A (en) * 1989-01-10 1991-01-29 Charles Winn (Valves) Limited Valves having a turnable closure member such as a butterfly valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4519579A (en) * 1983-02-14 1985-05-28 Fisher Controls, International, Inc. Cam valve self-centering seat
US4988076A (en) * 1989-01-10 1991-01-29 Charles Winn (Valves) Limited Valves having a turnable closure member such as a butterfly valve

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