IT1067989B - CHECK VALVE - Google Patents

CHECK VALVE

Info

Publication number
IT1067989B
IT1067989B IT26234/76A IT2623476A IT1067989B IT 1067989 B IT1067989 B IT 1067989B IT 26234/76 A IT26234/76 A IT 26234/76A IT 2623476 A IT2623476 A IT 2623476A IT 1067989 B IT1067989 B IT 1067989B
Authority
IT
Italy
Prior art keywords
check valve
check
valve
Prior art date
Application number
IT26234/76A
Other languages
Italian (it)
Original Assignee
Sulzer Ag
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 Sulzer Ag filed Critical Sulzer Ag
Application granted granted Critical
Publication of IT1067989B publication Critical patent/IT1067989B/en

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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/025—Check valves with guided rigid valve members the valve being loaded by a spring
    • 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
    • F16K15/00—Check valves
    • F16K15/18—Check valves with actuating mechanism; Combined check valves and actuated valves
    • F16K15/182—Check valves with actuating mechanism; Combined check valves and actuated valves with actuating mechanism
    • F16K15/1826—Check valves which can be actuated by a pilot valve
    • 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
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/20—Excess-flow valves
    • F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
    • F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
    • F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)
IT26234/76A 1975-08-20 1976-08-12 CHECK VALVE IT1067989B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1080575A CH596485A5 (en) 1975-08-20 1975-08-20

Publications (1)

Publication Number Publication Date
IT1067989B true IT1067989B (en) 1985-03-21

Family

ID=4367048

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26234/76A IT1067989B (en) 1975-08-20 1976-08-12 CHECK VALVE

Country Status (9)

Country Link
JP (1) JPS5944545B2 (en)
BE (1) BE845379A (en)
CH (1) CH596485A5 (en)
DE (1) DE2538760C3 (en)
FR (1) FR2321645A1 (en)
GB (1) GB1552987A (en)
IT (1) IT1067989B (en)
NL (1) NL169219C (en)
SE (1) SE420441B (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2715419C2 (en) * 1977-04-06 1985-02-28 Wolfgang 5064 Rösrath Berns Shut-off valve, in particular high-pressure shut-off valve, with a quick-closing option
US4172582A (en) * 1977-04-21 1979-10-30 Rexnord Inc. Reverse differential holding valve
DE2757352B2 (en) * 1977-12-22 1981-06-19 Carl Heinz Dipl.-Ing. 4050 Mönchengladbach Häfele Automatic check valve
DE2856242C3 (en) * 1978-12-27 1984-05-17 Integral Hydraulik & Co, 4000 Düsseldorf Check valve that can be unlocked easily
CH661777A5 (en) * 1981-05-25 1987-08-14 Sulzer Ag CHECK VALVE.
JPS57203621A (en) * 1981-06-04 1982-12-14 Usesoyuzuni Ni I Pk I Atomunog Feeder for flowing and supplying bulk material
JPS5822220A (en) * 1981-07-27 1983-02-09 ウセソユズニ・ナウチノ−イスレドヴアテルスキ・イ・プロエクトノ−コンストルクトルスキ・インスチテユ−ト・アトムノゴ・エネルゲチチエスコゴ・マシノストロエニア Feeder for powdered and granular body
DE3210790A1 (en) * 1982-03-24 1983-10-06 Bauer Kompressoren Pressure medium-actuated controllable shut-off valve
JPH06100296B2 (en) * 1985-10-08 1994-12-12 岡野バルブ製造株式会社 Self-operated valve
DE4123610C2 (en) * 1991-07-17 1994-04-28 Vos Richard Grubenausbau Gmbh Adjustable spray valve
DE4323462C2 (en) * 1993-07-14 1995-05-04 Vos Richard Grubenausbau Gmbh Removal stamp for underground use with integrated pressure relief valve
DE19721356A1 (en) * 1997-05-22 1998-12-03 Gerhard Habla Back-flow prevention valve operated by hydraulic or pneumatic force
CN101048598B (en) * 2004-10-15 2011-05-18 博世力士乐股份有限公司 Guiding one-way valve
PL1994319T3 (en) 2006-03-06 2016-11-30 Suction valve
DE112008002518B4 (en) 2007-09-13 2023-10-05 James G. Johnson Double acting directional fluid flow valve
GB2525217B (en) * 2014-04-16 2017-02-08 Siemens Healthcare Ltd A Pressure relief valve arrangement
CN110050114B (en) * 2016-12-09 2021-04-09 沃尔沃卡车集团 Cooling system valve
CN106949265B (en) * 2017-05-05 2023-01-24 珠海格力电器股份有限公司 Air conditioning equipment, water chilling unit, non-return structure and control method thereof
US11359735B2 (en) 2018-05-14 2022-06-14 Hydromat D.O.O. Axial valve of the modular concept of construction

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE192838C (en) *
DE188932C (en) *
US1555817A (en) * 1924-09-20 1925-10-06 Charles E Golden Control valve
JPS445664Y1 (en) * 1964-09-21 1969-02-28
DE1775356B2 (en) * 1968-08-01 1974-04-18 Siemens Ag, 1000 Berlin U. 8000 Muenchen check valve
US3568706A (en) * 1969-02-06 1971-03-09 Anderson Greenwood & Co Pressure relieving system
IT980603B (en) * 1972-04-17 1974-10-10 Hydromatik Gmbh SEAT TYPE TWO-WAY VALVE

Also Published As

Publication number Publication date
DE2538760B2 (en) 1979-02-01
DE2538760A1 (en) 1977-02-24
GB1552987A (en) 1979-09-19
SE420441B (en) 1981-10-05
BE845379A (en) 1977-02-21
JPS5944545B2 (en) 1984-10-30
FR2321645B1 (en) 1983-03-11
DE2538760C3 (en) 1979-09-27
SE7608844L (en) 1977-02-21
FR2321645A1 (en) 1977-03-18
NL169219C (en) 1982-06-16
JPS5226020A (en) 1977-02-26
NL7608887A (en) 1977-02-22
NL169219B (en) 1982-01-18
CH596485A5 (en) 1978-03-15

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