BE812844A - Joint pour vannes ou soupapes papillons - Google Patents

Joint pour vannes ou soupapes papillons

Info

Publication number
BE812844A
BE812844A BE142461A BE142461A BE812844A BE 812844 A BE812844 A BE 812844A BE 142461 A BE142461 A BE 142461A BE 142461 A BE142461 A BE 142461A BE 812844 A BE812844 A BE 812844A
Authority
BE
Belgium
Prior art keywords
valves
gasket
butterfly
butterfly valves
Prior art date
Application number
BE142461A
Other languages
English (en)
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 filed Critical
Publication of BE812844A publication Critical patent/BE812844A/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/001—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass valves or valve housings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
BE142461A 1973-05-25 1974-03-26 Joint pour vannes ou soupapes papillons BE812844A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US36388573A 1973-05-25 1973-05-25

Publications (1)

Publication Number Publication Date
BE812844A true BE812844A (fr) 1974-07-15

Family

ID=23432129

Family Applications (1)

Application Number Title Priority Date Filing Date
BE142461A BE812844A (fr) 1973-05-25 1974-03-26 Joint pour vannes ou soupapes papillons

Country Status (2)

Country Link
BE (1) BE812844A (fr)
CA (1) CA1008840A (fr)

Also Published As

Publication number Publication date
CA1008840A (en) 1977-04-19

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: HENRY PRATT COMPANY

Effective date: 19940326