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AU475343B2 - Improvements in butterfly valves - Google Patents
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AU475343B2 - Improvements in butterfly valves - Google Patents

Improvements in butterfly valves

Info

Publication number
AU475343B2
AU475343B2 AU63493/73A AU6349373A AU475343B2 AU 475343 B2 AU475343 B2 AU 475343B2 AU 63493/73 A AU63493/73 A AU 63493/73A AU 6349373 A AU6349373 A AU 6349373A AU 475343 B2 AU475343 B2 AU 475343B2
Authority
AU
Australia
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
AU63493/73A
Other versions
AU6349373A (en
Inventor
Andrew Campbell Armstrong Malcolm
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.)
N Z Fasteners Ltd
Original Assignee
N Z Fasteners Ltd
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 N Z Fasteners Ltd filed Critical N Z Fasteners Ltd
Priority to AU63493/73A priority Critical patent/AU475343B2/en
Application granted granted Critical
Publication of AU475343B2 publication Critical patent/AU475343B2/en
Publication of AU6349373A publication Critical patent/AU6349373A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/221—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves specially adapted operating means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
AU63493/73A 1972-12-12 1972-12-12 Improvements in butterfly valves Expired AU475343B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU63493/73A AU475343B2 (en) 1972-12-12 1972-12-12 Improvements in butterfly valves

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPB157972 1972-12-12
AU63493/73A AU475343B2 (en) 1972-12-12 1972-12-12 Improvements in butterfly valves

Publications (2)

Publication Number Publication Date
AU475343B2 true AU475343B2 (en) 1975-06-12
AU6349373A AU6349373A (en) 1975-06-12

Family

ID=25633962

Family Applications (1)

Application Number Title Priority Date Filing Date
AU63493/73A Expired AU475343B2 (en) 1972-12-12 1972-12-12 Improvements in butterfly valves

Country Status (1)

Country Link
AU (1) AU475343B2 (en)

Also Published As

Publication number Publication date
AU6349373A (en) 1975-06-12

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