CA1260908A - Gate valve having a secondary seal - Google Patents

Gate valve having a secondary seal

Info

Publication number
CA1260908A
CA1260908A CA000467615A CA467615A CA1260908A CA 1260908 A CA1260908 A CA 1260908A CA 000467615 A CA000467615 A CA 000467615A CA 467615 A CA467615 A CA 467615A CA 1260908 A CA1260908 A CA 1260908A
Authority
CA
Canada
Prior art keywords
gate
seal
ring
valve
camming
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
CA000467615A
Other languages
English (en)
French (fr)
Inventor
John Beson
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US06/551,589 external-priority patent/US4566671A/en
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA1260908A publication Critical patent/CA1260908A/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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
    • F16K3/205—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats by means of cams
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/16—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together
    • F16K3/20—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats
    • F16K3/207—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with special arrangements for separating the sealing faces or for pressing them together by movement of the seats by means of hydraulic forces

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electronic Switches (AREA)
  • Valve Device For Special Equipments (AREA)
CA000467615A 1983-11-14 1984-11-13 Gate valve having a secondary seal Expired CA1260908A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US06/551,589 US4566671A (en) 1983-11-14 1983-11-14 Gate valve having a secondary seal
US551,589 1983-11-14
US65961484A 1984-10-11 1984-10-11
US659,614 1984-10-11

Publications (1)

Publication Number Publication Date
CA1260908A true CA1260908A (en) 1989-09-26

Family

ID=27069815

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000467615A Expired CA1260908A (en) 1983-11-14 1984-11-13 Gate valve having a secondary seal

Country Status (4)

Country Link
JP (1) JP2558394B2 (no)
CA (1) CA1260908A (no)
GB (1) GB2150265B (no)
NO (1) NO174017C (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4963633A (en) * 1987-12-21 1990-10-16 Hoechst Celanese Corp. Bisacrylate monomers and polymers exhibiting nonlinear optical response
CN105587879A (zh) * 2016-03-14 2016-05-18 西诺威阀门控制（苏州）有限公司 新型阀瓣结构
CN108547950A (zh) * 2018-01-01 2018-09-18 保集团有限公司 三角形环的杆密封

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3497177A (en) * 1967-11-02 1970-02-24 Eldon E Hulsey Seat and seal assembly for valves
US4377273A (en) * 1981-02-17 1983-03-22 John Beson Gate valve having a secondary seal

Also Published As

Publication number Publication date
JP2558394B2 (ja) 1996-11-27
NO844523L (no) 1985-05-15
NO174017C (no) 1994-03-09
GB8428610D0 (en) 1984-12-19
NO174017B (no) 1993-11-22
GB2150265A (en) 1985-06-26
JPH08170737A (ja) 1996-07-02
GB2150265B (en) 1988-03-16

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Legal Events

Date Code Title Description
MKEX Expiry