IT962127B - IMPROVEMENT IN BUTTERFLY VALVES - Google Patents

IMPROVEMENT IN BUTTERFLY VALVES

Info

Publication number
IT962127B
IT962127B IT5221172A IT5221172A IT962127B IT 962127 B IT962127 B IT 962127B IT 5221172 A IT5221172 A IT 5221172A IT 5221172 A IT5221172 A IT 5221172A IT 962127 B IT962127 B IT 962127B
Authority
IT
Italy
Prior art keywords
improvement
butterfly valves
butterfly
valves
Prior art date
Application number
IT5221172A
Other languages
Italian (it)
Original Assignee
Nihon Jido Chosetsuki Seisakus
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
Priority claimed from JP8122171A external-priority patent/JPS4846919A/ja
Priority claimed from JP1578772A external-priority patent/JPS4884921A/ja
Application filed by Nihon Jido Chosetsuki Seisakus filed Critical Nihon Jido Chosetsuki Seisakus
Application granted granted Critical
Publication of IT962127B publication Critical patent/IT962127B/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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Fluid-Driven Valves (AREA)
  • Control Of The Air-Fuel Ratio Of Carburetors (AREA)
  • Lift Valve (AREA)
IT5221172A 1971-10-14 1972-08-16 IMPROVEMENT IN BUTTERFLY VALVES IT962127B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP8122171A JPS4846919A (en) 1971-10-14 1971-10-14
JP1578772A JPS4884921A (en) 1972-02-14 1972-02-14

Publications (1)

Publication Number Publication Date
IT962127B true IT962127B (en) 1973-12-20

Family

ID=26351993

Family Applications (1)

Application Number Title Priority Date Filing Date
IT5221172A IT962127B (en) 1971-10-14 1972-08-16 IMPROVEMENT IN BUTTERFLY VALVES

Country Status (6)

Country Link
DE (1) DE2251134A1 (en)
FR (1) FR2152268A5 (en)
GB (1) GB1404167A (en)
IT (1) IT962127B (en)
NL (1) NL7211253A (en)
NO (1) NO134669C (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53133226U (en) * 1977-03-30 1978-10-21
AT379001B (en) * 1978-03-10 1985-11-11 Adams Gmbh & Co Kg Geb FLAP VALVE
DE3150999C2 (en) * 1981-12-23 1985-06-20 Klöckner-Humboldt-Deutz AG, 5000 Köln Wet setting machine for processing coal or other minerals

Also Published As

Publication number Publication date
NO134669B (en) 1976-08-16
DE2251134A1 (en) 1973-04-19
NL7211253A (en) 1973-04-17
NO134669C (en) 1976-11-24
GB1404167A (en) 1975-08-28
FR2152268A5 (en) 1973-04-20

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