IT1227297B - Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno - Google Patents

Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno

Info

Publication number
IT1227297B
IT1227297B IT8822211A IT2221188A IT1227297B IT 1227297 B IT1227297 B IT 1227297B IT 8822211 A IT8822211 A IT 8822211A IT 2221188 A IT2221188 A IT 2221188A IT 1227297 B IT1227297 B IT 1227297B
Authority
IT
Italy
Prior art keywords
elastomeric material
sealing element
butterfly valve
metal reinforcement
internal metal
Prior art date
Application number
IT8822211A
Other languages
English (en)
Other versions
IT8822211A0 (it
Inventor
Roberto Pavanel
Original Assignee
Cazzaniga Spa
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 Cazzaniga Spa filed Critical Cazzaniga Spa
Priority to IT8822211A priority Critical patent/IT1227297B/it
Publication of IT8822211A0 publication Critical patent/IT8822211A0/it
Priority to CA000601398A priority patent/CA1329188C/en
Priority to EP89202296A priority patent/EP0362918B1/en
Priority to DE68912051T priority patent/DE68912051T2/de
Priority to AT89202296T priority patent/ATE99781T1/de
Priority to US07/407,959 priority patent/US4998708A/en
Application granted granted Critical
Publication of IT1227297B publication Critical patent/IT1227297B/it

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
    • 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
    • F16K1/224—Details of bearings for the axis of rotation
    • F16K1/225—Details of bearings for the axis of rotation the axis of rotation having only one bearing
    • 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
    • F16K1/2265—Shaping or arrangements of the sealing the sealing being arranged on the valve seat with a channel- or U-shaped seal covering a central body portion

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Gasket Seals (AREA)
IT8822211A 1988-10-06 1988-10-06 Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno IT1227297B (it)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IT8822211A IT1227297B (it) 1988-10-06 1988-10-06 Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno
CA000601398A CA1329188C (en) 1988-10-06 1989-06-01 Butterfly valve with a sealing element in elastomeric material with an internal metal reinforcement
EP89202296A EP0362918B1 (en) 1988-10-06 1989-09-13 Butterfly valve with a sealing element in elastomeric material with an internal metal reinforcement
DE68912051T DE68912051T2 (de) 1988-10-06 1989-09-13 Mit einem inneren Metallverstärkungsring versehenes elastisches Dichtungselement für Drosselklappen.
AT89202296T ATE99781T1 (de) 1988-10-06 1989-09-13 Mit einem inneren metallverstaerkungsring versehenes elastisches dichtungselement fuer drosselklappen.
US07/407,959 US4998708A (en) 1988-10-06 1989-09-15 Butterfly valve with a sealing element of elastomeric material with an internal metal reinforcement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8822211A IT1227297B (it) 1988-10-06 1988-10-06 Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno

Publications (2)

Publication Number Publication Date
IT8822211A0 IT8822211A0 (it) 1988-10-06
IT1227297B true IT1227297B (it) 1991-04-05

Family

ID=11193108

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8822211A IT1227297B (it) 1988-10-06 1988-10-06 Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno

Country Status (6)

Country Link
US (1) US4998708A (it)
EP (1) EP0362918B1 (it)
AT (1) ATE99781T1 (it)
CA (1) CA1329188C (it)
DE (1) DE68912051T2 (it)
IT (1) IT1227297B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5409654A (en) * 1993-08-05 1995-04-25 Nibco Inc. Method of reaction injection molding a valve
GB2298023A (en) * 1995-02-16 1996-08-21 Duriron Co Adjustable ball valve
US6142173A (en) * 1996-07-30 2000-11-07 Spears Manufacturing Company High purity corrosion resistant butterfly valve
DE19851343A1 (de) * 1998-11-06 2000-05-11 Wilo Gmbh Kreiselpumpe mit Absperrklappe
IT246930Y1 (it) * 1999-12-09 2002-04-10 Bonomi Bresciane Rubinetterie Valvola di intercettazione per fluidi con organo otturatore a farfalla ad elevata affidabilita' di funzionamento
JP4703235B2 (ja) * 2005-03-31 2011-06-15 旭有機材工業株式会社 バタフライバルブ
US7758017B2 (en) * 2007-01-22 2010-07-20 Sure Seal, Inc. Butterfly valves and construction thereof
CN100578051C (zh) * 2008-09-05 2010-01-06 无锡市亚迪流体控制技术有限公司 角行程旋转盘切阀
CA2774997A1 (en) * 2009-09-25 2011-03-31 Bray International, Inc. Reinforced unitary seat ring for valve assembly
DE102010042340A1 (de) * 2010-10-12 2012-04-12 Krones Aktiengesellschaft Klappendichtung für ein Scheibenventil
ITBS20120165A1 (it) * 2012-11-27 2014-05-28 Ind Saleri Italo Spa Gruppo valvola estraibile a tenuta migliorata
US20150101687A1 (en) * 2013-10-16 2015-04-16 Hamilton Sundstrand Corporation Liquid Valve Design with internal Check Valve
GB2520309B (en) * 2013-11-15 2020-09-09 Chargepoint Tech Limited Valve Seat
US9976666B1 (en) * 2016-02-10 2018-05-22 Bobby New Butterfly valve assembly
US10408355B2 (en) * 2017-11-01 2019-09-10 Mueller International, Llc Pressure activated valve seat
US10794494B2 (en) * 2018-04-10 2020-10-06 Mueller International, Llc Bonded seat with annular ribs
CN109386620A (zh) * 2018-11-14 2019-02-26 上海鸿研物流技术有限公司 蝶阀
US11391379B2 (en) * 2019-03-29 2022-07-19 Velan Inc. Butterfly valve and butterfly disc
CA3119354A1 (en) * 2020-05-21 2021-11-21 Maxitrol Company Valve seat with seal for use with valve element in valve assembly
WO2022160161A1 (en) 2021-01-28 2022-08-04 Mueller International, Llc Bonded valve seat

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3311128A (en) * 1964-02-25 1967-03-28 Daniel Orifice Fitting Company Butterfly valve
US3508737A (en) * 1968-01-19 1970-04-28 Vapor Corp Sealing ring retainment and adaptation to a butterfly valve
US3537683A (en) * 1968-11-04 1970-11-03 Keystone Valve Corp Valve seat for a butterfly valve and method for making the same
US3633872A (en) * 1969-11-24 1972-01-11 Fmc Corp Butterfly valve
US3782684A (en) * 1971-09-20 1974-01-01 Rockwell International Corp Seat insert for butterfly-type valves
US3840042A (en) * 1973-02-26 1974-10-08 B Brundage Butterfly valve
US3940108A (en) * 1974-09-11 1976-02-24 Nibco Inc. Reinforcement ring and seat for butterfly valve
CA1059494A (en) * 1977-04-20 1979-07-31 Richard Liberman Floating seat butterfly valve
US4225113A (en) * 1978-10-19 1980-09-30 General Signal Corporation Butterfly valve having cartridge construction with improved bearings
DE3203374A1 (de) * 1982-02-02 1983-08-11 Mark Controls Corp., 5568 Daun Sitzring fuer klappwellen bei absperrklappen u.dgl.
US4685611A (en) * 1986-11-26 1987-08-11 Keystone International, Inc. Butterfly valve construction having a composite seat

Also Published As

Publication number Publication date
CA1329188C (en) 1994-05-03
IT8822211A0 (it) 1988-10-06
DE68912051T2 (de) 1994-08-11
DE68912051D1 (de) 1994-02-17
US4998708A (en) 1991-03-12
EP0362918A1 (en) 1990-04-11
EP0362918B1 (en) 1994-01-05
ATE99781T1 (de) 1994-01-15

Similar Documents

Publication Publication Date Title
IT1227297B (it) Valvola a farfalla con elemento di tenuta in materiale elastomerico dotato di rinforzo metallico interno
SE8000666L (sv) Spjellventil
DK48483A (da) Antimikrobiel ultraviolet bestraaling af kobling til kontinuerlig ambulant peritonealdialyse
MX158120A (es) Mejoras a sello para ejes de bielas de motores de combustion interna
SE8305303L (sv) Solenoidventil
DE3563375D1 (en) Sealing device assuring the opstream/downstream fluid tightness of a closure member
BR8108423A (pt) Vedacao sob pressao de fluido para valvula de borboleta e elemento anular de assento
ES2052070T3 (es) Valvula de control de fluido.
US4406441A (en) Butterfly valve
GB1120234A (en) Fluid control gate valves
FR2420055A1 (fr) Dispositif d'etancheite en forme de manchon pour joint d'arbre homocinetique
IE42275L (en) Fluid flow control valve
ES449283A1 (es) Una valvula para fluido perfeccionada.
KR830006608A (ko) 혼합 밸브
ATE121515T1 (de) Ringförmige dichtung.
MX9200371A (es) Valvula rotatoria sellada con fuelle y montaje de sello.
FI58010B (fi) Klotventil
FR2589217B1 (fr) Etancheite de corps rotatif de soupape, en particulier pour des soupapes d'installations nucleaires
JPH0235090Y2 (it)
JPH0313650Y2 (it)
SU573653A1 (ru) Заслонка
SU638788A1 (ru) Узел затвора трубопроводной арматуры
ES235361U (es) Montura para valvulas de fluidos perfeccionada.
JPS6128550Y2 (it)
FR1343064A (fr) Vannes de commande d'écoulement de fluides comportant un montage flottant pour un joint d'étanchéité de section circulaire en contact avec un élément de vanne pouvant être fermé

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19951031