GB2340916A8 - Gate seats for split knife gate valves - Google Patents

Gate seats for split knife gate valves

Info

Publication number
GB2340916A8
GB2340916A8 GB9819018A GB9819018A GB2340916A8 GB 2340916 A8 GB2340916 A8 GB 2340916A8 GB 9819018 A GB9819018 A GB 9819018A GB 9819018 A GB9819018 A GB 9819018A GB 2340916 A8 GB2340916 A8 GB 2340916A8
Authority
GB
United Kingdom
Prior art keywords
gate
seats
valves
split knife
split
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.)
Granted
Application number
GB9819018A
Other versions
GB9819018D0 (en
GB2340916B (en
GB2340916A (en
Inventor
David L Gambetta
Darrel J Desrochers
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.)
Technaflow Inc
Original Assignee
Technaflow Inc
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 Technaflow Inc filed Critical Technaflow Inc
Publication of GB9819018D0 publication Critical patent/GB9819018D0/en
Publication of GB2340916A publication Critical patent/GB2340916A/en
Publication of GB2340916A8 publication Critical patent/GB2340916A8/en
Application granted granted Critical
Publication of GB2340916B publication Critical patent/GB2340916B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16K3/0281—Guillotine or blade-type valves, e.g. no passage through the valve member
    • 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
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/04—Construction of housing; Use of materials therefor of sliding valves
    • F16K27/044—Construction of housing; Use of materials therefor of sliding valves slide valves with flat obturating members
    • 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
    • F16K3/0227—Packings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
  • Details Of Valves (AREA)
GB9819018A 1998-08-24 1998-09-01 Split knife gate valve having a uniformly compressed and constrained resilient gate seat and method for producing the same Expired - Fee Related GB2340916B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13920798A 1998-08-24 1998-08-24

Publications (4)

Publication Number Publication Date
GB9819018D0 GB9819018D0 (en) 1998-10-28
GB2340916A GB2340916A (en) 2000-03-01
GB2340916A8 true GB2340916A8 (en) 2001-02-21
GB2340916B GB2340916B (en) 2003-04-02

Family

ID=29418368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9819018A Expired - Fee Related GB2340916B (en) 1998-08-24 1998-09-01 Split knife gate valve having a uniformly compressed and constrained resilient gate seat and method for producing the same

Country Status (2)

Country Link
CA (1) CA2246922C (en)
GB (1) GB2340916B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6959912B2 (en) 2003-04-29 2005-11-01 Itt Manufacturing Enterprises, Inc. Injectable packing unit in a single knife gate body
US7059586B2 (en) 2004-04-01 2006-06-13 Itt Manufacturing Enterprises, Inc. Knife gate valve having elastomeric gate and chest seals
US7815170B2 (en) * 2007-11-14 2010-10-19 Tyco Valves & Controls Lp Valve assembly having a reinforced valve seat
US10054238B2 (en) * 2014-09-17 2018-08-21 Dezurik, Inc. Bidirectional knife gate valve with a perimeter seat
US10274089B2 (en) * 2016-04-19 2019-04-30 Emerson Vulcan Holding Llc Gate supports for a gate valve
US10161529B2 (en) * 2016-04-19 2018-12-25 Emerson Vulcan Holding Llc Gasket seal for a gate valve
WO2018076157A1 (en) * 2016-10-25 2018-05-03 南通龙源电站阀门有限公司 Novel anti-erosion control valve
CN109282068A (en) * 2018-11-01 2019-01-29 上海理工大学 Lower coal valve for power plant boiler
CN109519559A (en) * 2018-12-18 2019-03-26 浙江冠力阀门有限公司 Knife gate valve
US11543036B1 (en) 2021-06-23 2023-01-03 1441599 Alberta Ltd. Isolation knife gate valve
US11499644B2 (en) 2020-08-25 2022-11-15 Emerson Automation Solutions Final Control US LP Sealing assembly for a knife gate valve
US11300213B1 (en) 2021-02-19 2022-04-12 Emerson Automation Solutions Final Control US LP Floating yoke connection

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703915A (en) * 1985-11-15 1987-11-03 Rovang, Inc. Knife gate valve with semi-hard, resilient seat

Also Published As

Publication number Publication date
GB9819018D0 (en) 1998-10-28
GB2340916B (en) 2003-04-02
GB2340916A (en) 2000-03-01
CA2246922C (en) 2007-12-11
CA2246922A1 (en) 2000-02-24

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20030702