BE883777A - Joint d'obturation pour soupapes papillon a haut rendement - Google Patents

Joint d'obturation pour soupapes papillon a haut rendement

Info

Publication number
BE883777A
BE883777A BE0/201006A BE201006A BE883777A BE 883777 A BE883777 A BE 883777A BE 0/201006 A BE0/201006 A BE 0/201006A BE 201006 A BE201006 A BE 201006A BE 883777 A BE883777 A BE 883777A
Authority
BE
Belgium
Prior art keywords
gasket
shut
high efficiency
butterfly valves
butterfly
Prior art date
Application number
BE0/201006A
Other languages
English (en)
Inventor
R Sansone
Original Assignee
Pratt Co Henry
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 Pratt Co Henry filed Critical Pratt Co Henry
Publication of BE883777A publication Critical patent/BE883777A/fr

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
    • F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Sealing Devices (AREA)
BE0/201006A 1979-06-11 1980-06-11 Joint d'obturation pour soupapes papillon a haut rendement BE883777A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4757879A 1979-06-11 1979-06-11

Publications (1)

Publication Number Publication Date
BE883777A true BE883777A (fr) 1980-10-01

Family

ID=21949784

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/201006A BE883777A (fr) 1979-06-11 1980-06-11 Joint d'obturation pour soupapes papillon a haut rendement

Country Status (3)

Country Link
JP (1) JPS566961A (fr)
BE (1) BE883777A (fr)
CA (1) CA1129390A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58187660A (ja) * 1982-04-19 1983-11-01 アムステツド・インダストリ−ス・インコ−ポレ−テツド 高性能蝶形弁閉鎖シ−ル装置
CN104653792A (zh) * 2013-11-25 2015-05-27 山西浩宇阀门科技有限公司 一种高温高压密封蝶阀

Also Published As

Publication number Publication date
JPS566961A (en) 1981-01-24
CA1129390A (fr) 1982-08-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: HENRY PRATT CY

Effective date: 19880630