IT1077488B - Perfezionamento nelle valvola con elemento di otturazzione girevole - Google Patents

Perfezionamento nelle valvola con elemento di otturazzione girevole

Info

Publication number
IT1077488B
IT1077488B IT48445/77A IT4844577A IT1077488B IT 1077488 B IT1077488 B IT 1077488B IT 48445/77 A IT48445/77 A IT 48445/77A IT 4844577 A IT4844577 A IT 4844577A IT 1077488 B IT1077488 B IT 1077488B
Authority
IT
Italy
Prior art keywords
improvement
valve
filling element
revolving
revolving filling
Prior art date
Application number
IT48445/77A
Other languages
English (en)
Original Assignee
Keystone Int
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 Keystone Int filed Critical Keystone Int
Application granted granted Critical
Publication of IT1077488B publication Critical patent/IT1077488B/it

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
    • 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
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
IT48445/77A 1976-03-12 1977-03-11 Perfezionamento nelle valvola con elemento di otturazzione girevole IT1077488B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66419676A 1976-03-12 1976-03-12

Publications (1)

Publication Number Publication Date
IT1077488B true IT1077488B (it) 1985-05-04

Family

ID=24664984

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48445/77A IT1077488B (it) 1976-03-12 1977-03-11 Perfezionamento nelle valvola con elemento di otturazzione girevole

Country Status (11)

Country Link
JP (1) JPS52135422A (it)
AU (1) AU515047B2 (it)
BR (1) BR7701510A (it)
CA (1) CA1056791A (it)
DE (1) DE2710104A1 (it)
FR (1) FR2343947A1 (it)
GB (1) GB1574216A (it)
IT (1) IT1077488B (it)
MX (1) MX144213A (it)
NL (1) NL7702644A (it)
SE (1) SE420860B (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967812A (en) * 1975-02-26 1976-07-06 Dresser Industries, Inc. Shaft seal for corrosion resistant butterfly valve
US4483513A (en) * 1982-08-09 1984-11-20 General Signal Corporation Pin connection of a shaft to closure member of a rotary valve
US4651763A (en) * 1986-03-05 1987-03-24 Keystone International, Inc. Fire-safe ventilation valve
US4659064A (en) * 1986-08-01 1987-04-21 Keystone International, Inc. Apparatus for fixing the position of a valve element shaft in a bore
US4711427A (en) * 1986-08-20 1987-12-08 Keystone International, Inc. Apparatus for connecting a valve element to a valve stem
US4828221A (en) * 1987-11-06 1989-05-09 Keystone International, Inc. Valve assembly

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3345033A (en) * 1965-06-15 1967-10-03 Pratt Co Henry Shaft seal for a butterfly valve
GB1135811A (en) * 1966-01-01 1968-12-04 David F Wiseman & Sons Ltd Improvements in butterfly valves

Also Published As

Publication number Publication date
FR2343947B1 (it) 1983-01-14
GB1574216A (en) 1980-09-03
AU2318977A (en) 1978-09-14
DE2710104A1 (de) 1977-09-15
SE7702689L (sv) 1977-09-13
FR2343947A1 (fr) 1977-10-07
NL7702644A (nl) 1977-09-14
CA1056791A (en) 1979-06-19
SE420860B (sv) 1981-11-02
MX144213A (es) 1981-09-10
AU515047B2 (en) 1981-03-12
JPS52135422A (en) 1977-11-12
BR7701510A (pt) 1978-01-03

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