ES479778A1 - Dispositivo de obturacion de seguridad para circuitos o ca- nalizacion bajo presion. - Google Patents

Dispositivo de obturacion de seguridad para circuitos o ca- nalizacion bajo presion.

Info

Publication number
ES479778A1
ES479778A1 ES479778A ES479778A ES479778A1 ES 479778 A1 ES479778 A1 ES 479778A1 ES 479778 A ES479778 A ES 479778A ES 479778 A ES479778 A ES 479778A ES 479778 A1 ES479778 A1 ES 479778A1
Authority
ES
Spain
Prior art keywords
piston
equilibrium position
pressure difference
normal
flow
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.)
Expired
Application number
ES479778A
Other languages
English (en)
Spanish (es)
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.)
TULCEA SA
Original Assignee
TULCEA SA
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
Priority claimed from CH474278A external-priority patent/CH624193A5/fr
Priority claimed from CH1251478A external-priority patent/CH625862A5/fr
Application filed by TULCEA SA filed Critical TULCEA SA
Publication of ES479778A1 publication Critical patent/ES479778A1/es
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
    • 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)
  • Actuator (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pipe Accessories (AREA)
  • Control Of Fluid Pressure (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Sliding Valves (AREA)
  • Safety Valves (AREA)
ES479778A 1978-05-02 1979-04-20 Dispositivo de obturacion de seguridad para circuitos o ca- nalizacion bajo presion. Expired ES479778A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH474278A CH624193A5 (en) 1978-05-02 1978-05-02 Safety shut-off device for a pressurised fluid circuit or pipeline
CH1251478A CH625862A5 (en) 1978-12-07 1978-12-07 Safety shut-off device for a pressurised circuit or pipeline

Publications (1)

Publication Number Publication Date
ES479778A1 true ES479778A1 (es) 1980-01-16

Family

ID=25696177

Family Applications (1)

Application Number Title Priority Date Filing Date
ES479778A Expired ES479778A1 (es) 1978-05-02 1979-04-20 Dispositivo de obturacion de seguridad para circuitos o ca- nalizacion bajo presion.

Country Status (9)

Country Link
CA (1) CA1138298A (sv)
DE (1) DE2916532A1 (sv)
ES (1) ES479778A1 (sv)
FR (1) FR2425025A1 (sv)
GB (1) GB2019982B (sv)
IT (1) IT1118543B (sv)
NL (1) NL7903247A (sv)
SE (1) SE442050B (sv)
SU (1) SU980635A3 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103968124B (zh) * 2014-05-04 2016-06-22 刘平 一种自来水用安全阀

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1303204B (sv) * Willis Oil Tool Co
FR876840A (fr) * 1939-11-06 1942-11-18 Sarl Alfred Teves Dispositif de sécurité pour canalisations sous pression en cas de rupture de tube
US2635629A (en) * 1950-02-08 1953-04-21 Asaro Carmelo Excess flow cutoff valve
DE1086570B (de) * 1956-05-18 1960-08-04 Franz Schwarte Fa Vorrichtung zum selbsttaetigen Absperren von Druckleitungen, insbesondere fuer die Bremsanlage von Kraftfahrzeugen
US2921440A (en) * 1957-10-03 1960-01-19 Alex Mfg Corp Safety devices for contained fluid pressure systems
US3060959A (en) * 1960-07-07 1962-10-30 Olin Mathieson Excess flow cut-off valve
DE1192475B (de) * 1961-06-15 1965-05-06 Akad Wissenschaften Ddr Stufenloses Getriebe fuer hohe Untersetzungen
DE1174125B (de) * 1962-11-24 1964-07-16 Sebastian Schlaifer Rohrbruchventil
DE1192473B (de) * 1963-10-22 1965-05-06 Sebastian Schlaifer Rohrbruchventil
DE2522443A1 (de) * 1975-05-21 1976-12-02 Schell Kg Hubert Wasserschadenschutzventil

Also Published As

Publication number Publication date
CA1138298A (en) 1982-12-28
FR2425025A1 (fr) 1979-11-30
SE442050B (sv) 1985-11-25
GB2019982B (en) 1982-08-18
NL7903247A (nl) 1979-11-06
IT7967691A0 (it) 1979-04-03
DE2916532A1 (de) 1979-11-08
FR2425025B1 (sv) 1983-04-08
SE7903747L (sv) 1979-11-03
SU980635A3 (ru) 1982-12-07
GB2019982A (en) 1979-11-07
IT1118543B (it) 1986-03-03

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991007