JPS6193675U - - Google Patents

Info

Publication number
JPS6193675U
JPS6193675U JP1985150810U JP15081085U JPS6193675U JP S6193675 U JPS6193675 U JP S6193675U JP 1985150810 U JP1985150810 U JP 1985150810U JP 15081085 U JP15081085 U JP 15081085U JP S6193675 U JPS6193675 U JP S6193675U
Authority
JP
Japan
Prior art keywords
valve body
valve
fire safety
annular space
seal ring
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
JP1985150810U
Other languages
English (en)
Other versions
JPS6318866Y2 (ja
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 filed Critical
Publication of JPS6193675U publication Critical patent/JPS6193675U/ja
Application granted granted Critical
Publication of JPS6318866Y2 publication Critical patent/JPS6318866Y2/ja
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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0673—Composite packings
    • 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
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • 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
    • 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
    • Y10T137/1812—In fluid flow path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
  • Sliding Valves (AREA)
  • Safety Valves (AREA)

Description

【図面の簡単な説明】
第１図はシールリングの後側の溝内に昇華可能
物質を挿入した玉弁構造体を構成する本考案の一
実施例の断面図である。第２図はシールリングが
それに隣接する玉弁体に接触し、昇華可能物質が
シールリングの後側に配設されたところを示す第
１図の拡大部分図である。第３図は、第２図と同
様な拡大図であるが、昇華可能物質が昇華し、シ
ールリングが先に昇華物質によつて占められてい
た溝内の空間へ変位された後玉弁体が対応する弁
筐に金属間接触したところを示す。第４図は、面
シールと昇華可能物質とを組合せたゲート弁構造
体を示す本考案の別の実施例の拡大断面図である
。

Claims (1)

  1. 【実用新案登録請求の範囲】 １ 火災安全弁構造体において 貫通流路および弁室を有する弁本体と、該弁室
    内に該流路に対して開放位置と閉鎖位置の間で移
    動自在に取付けられた弁体と、前記流路の周りに
    配設され、該弁体に面する環状溝を有する金属製
    の環状弁座と、前記弁体に密封関係に接触して面
    シールを形成するように前記環状溝内に装着され
    たシールリングと、該シールリングはその後側に
    環状空間を画定するように前記溝の底面から離隔
    して配置され、該環状空間内へ変位しうるように
    なされていることと、該環状空間内に配設された
    昇華可能物質体とから成り、該昇華可能物質体は
    、所定の温度に達すると、昇華して気体となり、
    該気体は前記シールリングと環状溝との間を通つ
    て流出して前記環状空間を空にし、該シールリン
    グが該環状空間内へ変位され、それによつて前記
    弁体を前記金属製弁座と接触する位置へ移動させ
    て弁体と弁座の間に緊密な金属間シールを設定す
    るようにした火災安全弁構造体。 ２ 前記昇華可能物質体は昇華可能物質のリング
    である実用新案登録請求の範囲第１項記載の火災
    安全弁構造体。 ３ 前記弁体は開放位置と閉鎖位置の間で往復動
    自在に取付けられたゲート弁体である実用新案登
    録請求の範囲第１項記載の火災安全弁構造体。 ４ 前記弁体は開放位置と閉鎖位置の間で回転自
    在に取付けられた玉弁体である実用新案登録請求
    の範囲第１項記載の火災安全弁構造体。 ５ 前記昇華可能物質体は、約４８０°Ｃないし
    約５４０°Ｃの範囲内の温度で完全に昇華するテ
    トラフルオロエチレンから成るものである実用新
    案登録請求の範囲第１項記載の火災安全弁構造体
    。 ６ 前記昇華可能物質体は、前記シールリングの
    後面と、前記環状溝の底壁、内側円周壁および外
    側円周壁に接触するように前記環状空間内に捕促
    されている実用新案登録請求の範囲第１項記載の
    火災安全弁構造体。 ７ 前記環状空間の深さは、前記シールリングが
    、前記弁体と弁座との間に金属間シールが形成さ
    れるのに応答して移動する距離より大きい実用新
    案登録請求の範囲第１項記載の火災安全弁構造体
    。
JP1985150810U 1980-09-15 1985-10-01 Expired JPS6318866Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/187,285 US4331172A (en) 1980-09-15 1980-09-15 Fire-safe valve structure

Publications (2)

Publication Number Publication Date
JPS6193675U true JPS6193675U (ja) 1986-06-17
JPS6318866Y2 JPS6318866Y2 (ja) 1988-05-26

Family

ID=22688353

Family Applications (2)

Application Number Title Priority Date Filing Date
JP56503094A Pending JPS57501591A (ja) 1980-09-15 1981-09-14
JP1985150810U Expired JPS6318866Y2 (ja) 1980-09-15 1985-10-01

Family Applications Before (1)

Application Number Title Priority Date Filing Date
JP56503094A Pending JPS57501591A (ja) 1980-09-15 1981-09-14

Country Status (6)

Country Link
US (1) US4331172A (ja)
JP (2) JPS57501591A (ja)
AU (1) AU550473B2 (ja)
CA (1) CA1149259A (ja)
GB (1) GB2102541B (ja)
WO (1) WO1982001053A1 (ja)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6378125B2 (ja) * 2015-04-10 2018-08-22 日本電産コパル株式会社 リニア振動モータ
US11572956B2 (en) * 2018-11-01 2023-02-07 Oil Sttes Energy Services, L.L.C. Valve with pressure differential seating
US11655900B2 (en) * 2018-11-01 2023-05-23 Oil States Energy Services, L.L.C. Valve with pressure differential seating
US12259064B2 (en) * 2018-11-01 2025-03-25 Oil States Energy Services, L.L.C. Valve with pressure differential seating
US11280414B2 (en) * 2020-07-27 2022-03-22 Hanon Systems Plug valve hard seals on cylinder wall
CN115059772B (zh) * 2022-06-10 2024-09-03 温州大学 一种防火型密封旋转球阀及其装配方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113268A (en) * 1977-03-15 1978-09-12 Posi-Seal International, Inc. Extended temperature range valve seal
US4160460A (en) * 1977-08-11 1979-07-10 Acf Industries, Incorporated Fire-safe valve structure

Family Cites Families (3)

* 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
FR2182291A5 (ja) * 1972-04-25 1973-12-07 Gachot Jean
US4220172A (en) * 1978-05-30 1980-09-02 Litton Industrial Products, Inc. Fire safe butterfly valve

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4113268A (en) * 1977-03-15 1978-09-12 Posi-Seal International, Inc. Extended temperature range valve seal
US4160460A (en) * 1977-08-11 1979-07-10 Acf Industries, Incorporated Fire-safe valve structure

Also Published As

Publication number Publication date
AU7589581A (en) 1982-04-14
CA1149259A (en) 1983-07-05
JPS57501591A (ja) 1982-09-02
AU550473B2 (en) 1986-03-20
JPS6318866Y2 (ja) 1988-05-26
WO1982001053A1 (en) 1982-04-01
GB2102541A (en) 1983-02-02
GB2102541B (en) 1984-02-01
US4331172A (en) 1982-05-25

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