GB2071820B - Seal assembly - Google Patents

Seal assembly

Info

Publication number
GB2071820B
GB2071820B GB8108248A GB8108248A GB2071820B GB 2071820 B GB2071820 B GB 2071820B GB 8108248 A GB8108248 A GB 8108248A GB 8108248 A GB8108248 A GB 8108248A GB 2071820 B GB2071820 B GB 2071820B
Authority
GB
United Kingdom
Prior art keywords
seal assembly
seal
assembly
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB8108248A
Other versions
GB2071820A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Crane Co
Original Assignee
Crane Co
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 Crane Co filed Critical Crane Co
Publication of GB2071820A publication Critical patent/GB2071820A/en
Application granted granted Critical
Publication of GB2071820B publication Critical patent/GB2071820B/en
Expired legal-status Critical Current

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
    • F16K1/228—Movable sealing bodies
    • F16K1/2285—Movable sealing bodies the movement being caused by the flowing medium
    • 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)
GB8108248A 1980-03-18 1981-03-17 Seal assembly Expired GB2071820B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13133080A 1980-03-18 1980-03-18

Publications (2)

Publication Number Publication Date
GB2071820A GB2071820A (en) 1981-09-23
GB2071820B true GB2071820B (en) 1983-07-06

Family

ID=22448961

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8108248A Expired GB2071820B (en) 1980-03-18 1981-03-17 Seal assembly

Country Status (2)

Country Link
CA (1) CA1146142A (en)
GB (1) GB2071820B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2121513B (en) * 1982-06-08 1985-11-27 Crane Co Seal assembly
FR2529634A1 (en) * 1982-07-05 1984-01-06 Crane Co Sealing device for a bi-directional valve, and valve using such a device.
FR2533655B1 (en) * 1982-09-29 1986-08-29 Gachot Jean SEALING DEVICE FOR BUTTERFLY VALVE
JPH01188772A (en) * 1988-01-21 1989-07-28 Akira Oshima Seal device for both positive/back pressure of butterfly valve
US20220163128A1 (en) * 2020-11-20 2022-05-26 Bray International, Inc. Butterfly valve seat and valve seat cavity

Also Published As

Publication number Publication date
CA1146142A (en) 1983-05-10
GB2071820A (en) 1981-09-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee