ZA781452B - Butterfly valve - Google Patents

Butterfly valve

Info

Publication number
ZA781452B
ZA781452B ZA00781452A ZA781452A ZA781452B ZA 781452 B ZA781452 B ZA 781452B ZA 00781452 A ZA00781452 A ZA 00781452A ZA 781452 A ZA781452 A ZA 781452A ZA 781452 B ZA781452 B ZA 781452B
Authority
ZA
South Africa
Prior art keywords
butterfly valve
butterfly
valve
Prior art date
Application number
ZA00781452A
Inventor
J Webb
Original Assignee
Bestobell Valves 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 Bestobell Valves Ltd filed Critical Bestobell Valves Ltd
Publication of ZA781452B publication Critical patent/ZA781452B/en

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
    • F16K1/2265—Shaping or arrangements of the sealing the sealing being arranged on the valve seat with a channel- or U-shaped seal covering a central body portion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Valve Housings (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Saccharide Compounds (AREA)
  • Glass Compositions (AREA)
ZA00781452A 1977-04-01 1978-03-13 Butterfly valve ZA781452B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB13882/77A GB1576020A (en) 1977-04-01 1977-04-01 Butterfly valve

Publications (1)

Publication Number Publication Date
ZA781452B true ZA781452B (en) 1979-04-25

Family

ID=10031072

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00781452A ZA781452B (en) 1977-04-01 1978-03-13 Butterfly valve

Country Status (16)

Country Link
JP (1) JPS53122936A (en)
AU (1) AU3465978A (en)
BE (1) BE865494A (en)
BR (1) BR7801942A (en)
CA (1) CA1076092A (en)
DE (1) DE2813135A1 (en)
DK (1) DK144878A (en)
ES (1) ES468373A1 (en)
FR (1) FR2385959A1 (en)
GB (1) GB1576020A (en)
IT (1) IT7867713A0 (en)
LU (1) LU79348A1 (en)
NL (1) NL7803429A (en)
NO (1) NO780919L (en)
SE (1) SE7803597L (en)
ZA (1) ZA781452B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2821091C2 (en) * 1978-05-13 1986-11-13 Josef 6200 Wiesbaden Nemetz Butterfly valve
JPS5637758U (en) * 1979-08-31 1981-04-10
WO1984004794A1 (en) * 1983-05-31 1984-12-06 Richards & Co B C A valve seal suitable for cryogenic service
CN111173621A (en) * 2020-01-17 2020-05-19 杰锋汽车动力系统股份有限公司 New energy automobile electron air throttle structure

Also Published As

Publication number Publication date
BE865494A (en) 1978-07-17
LU79348A1 (en) 1978-07-13
NL7803429A (en) 1978-10-03
SE7803597L (en) 1978-10-02
GB1576020A (en) 1980-10-01
AU3465978A (en) 1979-10-04
FR2385959A1 (en) 1978-10-27
FR2385959B3 (en) 1980-12-19
DK144878A (en) 1978-10-02
DE2813135A1 (en) 1978-10-12
NO780919L (en) 1978-10-03
CA1076092A (en) 1980-04-22
BR7801942A (en) 1978-11-21
JPS53122936A (en) 1978-10-26
IT7867713A0 (en) 1978-03-31
ES468373A1 (en) 1978-12-01

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