IT1092067B - Dispositivo di tenuta di sicurezza,per valvola,e valvola con tale dispositivo - Google Patents

Dispositivo di tenuta di sicurezza,per valvola,e valvola con tale dispositivo

Info

Publication number
IT1092067B
IT1092067B IT7819466A IT1946678A IT1092067B IT 1092067 B IT1092067 B IT 1092067B IT 7819466 A IT7819466 A IT 7819466A IT 1946678 A IT1946678 A IT 1946678A IT 1092067 B IT1092067 B IT 1092067B
Authority
IT
Italy
Prior art keywords
valve
per
safety sealing
sealing device
safety
Prior art date
Application number
IT7819466A
Other languages
English (en)
Other versions
IT7819466A0 (it
Original Assignee
Kitamura Valve Mfg Co Ltd
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 Kitamura Valve Mfg Co Ltd filed Critical Kitamura Valve Mfg Co Ltd
Publication of IT7819466A0 publication Critical patent/IT7819466A0/it
Application granted granted Critical
Publication of IT1092067B publication Critical patent/IT1092067B/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/008—Sealings comprising at least two sealings in succession with provision to put out of action at least one sealing; One sealing sealing only on standstill; Emergency or servicing sealings
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/1624—Destructible or deformable element controlled
    • Y10T137/1797—Heat destructible or fusible

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Taps Or Cocks (AREA)
  • Details Of Valves (AREA)
IT7819466A 1977-03-30 1978-01-20 Dispositivo di tenuta di sicurezza,per valvola,e valvola con tale dispositivo IT1092067B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1977037721U JPS53133226U (it) 1977-03-30 1977-03-30

Publications (2)

Publication Number Publication Date
IT7819466A0 IT7819466A0 (it) 1978-01-20
IT1092067B true IT1092067B (it) 1985-07-06

Family

ID=12505361

Family Applications (2)

Application Number Title Priority Date Filing Date
IT7820517U IT7820517V0 (it) 1977-03-30 1978-01-20 Dispositivo di tenuta di sicurezza, per valvola, e valvola con tale dispositivo.
IT7819466A IT1092067B (it) 1977-03-30 1978-01-20 Dispositivo di tenuta di sicurezza,per valvola,e valvola con tale dispositivo

Family Applications Before (1)

Application Number Title Priority Date Filing Date
IT7820517U IT7820517V0 (it) 1977-03-30 1978-01-20 Dispositivo di tenuta di sicurezza, per valvola, e valvola con tale dispositivo.

Country Status (15)

Country Link
US (1) US4201239A (it)
JP (1) JPS53133226U (it)
AU (1) AU503956B1 (it)
BE (1) BE865131A (it)
CA (1) CA1076093A (it)
DE (1) DE2808280C3 (it)
DK (1) DK126478A (it)
FI (1) FI67609C (it)
FR (1) FR2385960A1 (it)
GB (1) GB1543545A (it)
IT (2) IT7820517V0 (it)
NL (1) NL7802560A (it)
NO (1) NO148231C (it)
SE (1) SE437421B (it)
ZA (1) ZA781264B (it)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466687B1 (fr) * 1979-09-28 1985-10-18 Hills Mccanna Co Robinet de securite en cas d'incendie a papillon ou a obturateur spherique
FR2468047B1 (fr) * 1979-10-23 1986-05-16 Quamco Inc Vanne papillon
US4331319A (en) * 1980-03-06 1982-05-25 Jamesbury Corp. Butterfly valve
US4399833A (en) * 1982-02-04 1983-08-23 Keystone International, Inc. Valve assembly
USRE32409E (en) * 1982-02-04 1987-04-28 Keystone International, Inc. Valve assembly
US4487216A (en) * 1982-08-09 1984-12-11 General Signal Corporation Valve seal for fire safe or high temperature valves
DE3332793C2 (de) * 1983-09-10 1995-04-13 Josef Nemetz Klappenabsperrventil
JP2000199571A (ja) * 1999-01-06 2000-07-18 Tomoe Tech Res Co 偏心型バタフライ弁のシ―トリング
US6533241B1 (en) * 2001-10-04 2003-03-18 Pin-Neng Chen Retaining piece of a ball valve
TWM347496U (en) * 2008-08-14 2008-12-21 Tun Yi Ind Co Ltd Valve device
CN102748518A (zh) * 2012-07-12 2012-10-24 杨元亭 一种卡箍蝶阀阀体
CN102808957B (zh) * 2012-08-20 2014-11-05 中阀科技(长沙)阀门有限公司 一种蝶阀
US20140203201A1 (en) * 2013-01-22 2014-07-24 Fisher Controls International Llc Butterfly valves having multiple seals
US9927034B2 (en) * 2015-08-25 2018-03-27 Mueller International, Llc Valve seat stiffener
FR3067783B1 (fr) 2017-06-20 2020-09-04 Ksb Sas Robinet a papillon centre
DE202018105534U1 (de) * 2018-09-26 2018-10-04 Johnson Electric Germany GmbH & Co. KG Ventil

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177887A (en) * 1960-10-26 1965-04-13 Hills Mccanna Co Ball valve having heat destructible seal
US3252684A (en) * 1962-05-18 1966-05-24 Parker Hannifin Corp Rotary spherical valve assembly including fluid pressure seals
GB1006377A (en) * 1963-01-02 1965-09-29 Guest & Chrimes Ltd Improvements in and relating to butterfly valves
US3346234A (en) * 1964-06-29 1967-10-10 Cameron Iron Works Inc Valve
US3480253A (en) * 1967-12-28 1969-11-25 Hills Maccanna Co Ball valve with seats for journalled ball
US3650508A (en) * 1969-02-06 1972-03-21 Royal Industries Bi-directional valve for cryogenic fluids
US3593960A (en) * 1969-05-09 1971-07-20 Domer Scaramucci Disc valve with upstream and downstream seats
US3598363A (en) * 1969-09-04 1971-08-10 Golconda Corp Ball valve
IT962127B (it) * 1971-10-14 1973-12-20 Nihon Jido Chosetsuki Seisakus Perfezionamento nelle valvole a farfalla
US3815869A (en) * 1972-02-24 1974-06-11 Bailey W & Co Ltd Butterfly disc valves
US3986699A (en) * 1974-07-02 1976-10-19 Posi-Seal International, Inc. Positive shut-off seal
AT341848B (de) * 1974-11-28 1978-02-27 Klinger Ag Absperrklappe
US4005848A (en) * 1975-02-11 1977-02-01 Fisher Controls Company, Inc. Bidirectional pressure-assisted valve seal
GB1525193A (en) * 1976-11-13 1978-09-20 Tk Valve Ltd Ball valves
US4105040A (en) * 1977-06-27 1978-08-08 Chester Arnold M Temperature responsive valve seal

Also Published As

Publication number Publication date
JPS53133226U (it) 1978-10-21
ZA781264B (en) 1979-02-28
NL7802560A (nl) 1978-10-03
FI780943A (fi) 1978-10-01
FI67609B (fi) 1984-12-31
IT7819466A0 (it) 1978-01-20
DE2808280C3 (de) 1981-06-04
CA1076093A (en) 1980-04-22
IT7820517V0 (it) 1978-01-20
DE2808280B2 (de) 1980-07-17
AU503956B1 (en) 1979-09-27
NO148231C (no) 1983-08-31
NO148231B (no) 1983-05-24
DE2808280A1 (de) 1978-10-05
DK126478A (da) 1978-10-01
BE865131A (fr) 1978-07-17
US4201239A (en) 1980-05-06
SE437421B (sv) 1985-02-25
GB1543545A (en) 1979-04-04
FR2385960A1 (fr) 1978-10-27
SE7803529L (sv) 1978-10-01
FR2385960B1 (it) 1982-11-19
NO781086L (no) 1978-10-03
FI67609C (fi) 1985-04-10

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Legal Events

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

Effective date: 19941228