CA964634A - Pressure seal for butterfly valves - Google Patents

Pressure seal for butterfly valves

Info

Publication number
CA964634A
CA964634A CA161,793A CA161793A CA964634A CA 964634 A CA964634 A CA 964634A CA 161793 A CA161793 A CA 161793A CA 964634 A CA964634 A CA 964634A
Authority
CA
Canada
Prior art keywords
pressure seal
butterfly valves
butterfly
valves
seal
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
CA161,793A
Other versions
CA161793S (en
Inventor
Donald G. Fawkes
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.)
Pratt Henry Co
Original Assignee
Pratt Henry Co
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Pratt Henry Co filed Critical Pratt Henry Co
Priority to CA161,793A priority Critical patent/CA964634A/en
Application granted granted Critical
Publication of CA964634A publication Critical patent/CA964634A/en
Expired legal-status Critical Current

Links

CA161,793A 1973-01-22 1973-01-22 Pressure seal for butterfly valves Expired CA964634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA161,793A CA964634A (en) 1973-01-22 1973-01-22 Pressure seal for butterfly valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA161,793A CA964634A (en) 1973-01-22 1973-01-22 Pressure seal for butterfly valves

Publications (1)

Publication Number Publication Date
CA964634A true CA964634A (en) 1975-03-18

Family

ID=4095599

Family Applications (1)

Application Number Title Priority Date Filing Date
CA161,793A Expired CA964634A (en) 1973-01-22 1973-01-22 Pressure seal for butterfly valves

Country Status (1)

Country Link
CA (1) CA964634A (en)

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