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IT1028395B - SEALING DEVICE FOR VALVE SHAFT - Google Patents

SEALING DEVICE FOR VALVE SHAFT

Info

Publication number
IT1028395B
IT1028395B IT1930875A IT1930875A IT1028395B IT 1028395 B IT1028395 B IT 1028395B IT 1930875 A IT1930875 A IT 1930875A IT 1930875 A IT1930875 A IT 1930875A IT 1028395 B IT1028395 B IT 1028395B
Authority
IT
Italy
Prior art keywords
sealing device
valve shaft
valve
shaft
sealing
Prior art date
Application number
IT1930875A
Other languages
Italian (it)
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of IT1028395B publication Critical patent/IT1028395B/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/34—Sealings between relatively-moving surfaces with slip-ring pressed against a more or less radial face on one member
    • F16J15/3464—Mounting of the seal
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/40—Sealings between relatively-moving surfaces by means of fluid
    • 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
    • F16K1/2268—Sealing means for the axis of rotation

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Mechanical Sealing (AREA)
IT1930875A 1974-01-17 1975-01-16 SEALING DEVICE FOR VALVE SHAFT IT1028395B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43432274A 1974-01-17 1974-01-17

Publications (1)

Publication Number Publication Date
IT1028395B true IT1028395B (en) 1979-01-30

Family

ID=23723759

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1930875A IT1028395B (en) 1974-01-17 1975-01-16 SEALING DEVICE FOR VALVE SHAFT

Country Status (7)

Country Link
JP (1) JPS549670B2 (en)
BE (1) BE824457A (en)
CA (1) CA1007259A (en)
ES (1) ES433874A1 (en)
FR (1) FR2258575B1 (en)
GB (1) GB1461231A (en)
IT (1) IT1028395B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022424A (en) * 1975-09-29 1977-05-10 General Electric Company Shaft bearing and seals for butterfly valves
JP5851920B2 (en) * 2012-04-16 2016-02-03 三菱日立パワーシステムズ株式会社 Valve and plant equipped with the same
CN104455445A (en) * 2014-12-05 2015-03-25 苏州福润机械有限公司 Metal bellow movable seal assembly for valve
CN105972312B (en) * 2016-07-12 2018-10-16 江苏亿阀股份有限公司 Nuclear power steam cut-out control butterfly valve

Also Published As

Publication number Publication date
CA1007259A (en) 1977-03-22
JPS549670B2 (en) 1979-04-26
BE824457A (en) 1975-07-16
FR2258575A1 (en) 1975-08-18
GB1461231A (en) 1977-01-13
ES433874A1 (en) 1976-11-16
FR2258575B1 (en) 1981-10-09
JPS50101756A (en) 1975-08-12

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