IT946671B - SAFETY VALVE AND SPRING FOR THE SAME - Google Patents

SAFETY VALVE AND SPRING FOR THE SAME

Info

Publication number
IT946671B
IT946671B IT1949572A IT1949572A IT946671B IT 946671 B IT946671 B IT 946671B IT 1949572 A IT1949572 A IT 1949572A IT 1949572 A IT1949572 A IT 1949572A IT 946671 B IT946671 B IT 946671B
Authority
IT
Italy
Prior art keywords
spring
same
safety valve
safety
valve
Prior art date
Application number
IT1949572A
Other languages
Italian (it)
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Application granted granted Critical
Publication of IT946671B publication Critical patent/IT946671B/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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/32—Belleville-type springs
    • 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
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/044—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with more than one spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
IT1949572A 1971-01-19 1972-01-18 SAFETY VALVE AND SPRING FOR THE SAME IT946671B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB248371 1971-01-19

Publications (1)

Publication Number Publication Date
IT946671B true IT946671B (en) 1973-05-21

Family

ID=9740359

Family Applications (1)

Application Number Title Priority Date Filing Date
IT1949572A IT946671B (en) 1971-01-19 1972-01-18 SAFETY VALVE AND SPRING FOR THE SAME

Country Status (4)

Country Link
DE (1) DE2202247A1 (en)
FR (1) FR2122934A5 (en)
IT (1) IT946671B (en)
NL (1) NL7200581A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2222592A1 (en) * 1973-03-22 1974-10-18 Alsthom Cgee Sensitive safety valve for hydraulic circuit
DE3703483A1 (en) * 1987-02-05 1988-08-18 Messerschmitt Boelkow Blohm VIBRATION INSULATOR
US5313974A (en) * 1993-02-03 1994-05-24 Impacto Enterprises, Inc. Pipeline pressure release apparatus and method
DE19626324A1 (en) * 1996-07-01 1998-01-08 Wabco Gmbh Safety valve unit for unit working with pressure means
DE102004031936B4 (en) * 2004-06-30 2006-10-05 Geze Gmbh door closers
DE102005046634A1 (en) * 2005-09-28 2007-03-29 Itt Richter Chemie-Technik Gmbh Valve e.g. pressure control valve, has spring loaded valve actuator that is provided in closing direction, and disk spring impinging valve actuator, where spring is made of polytetrafluoroethylene

Also Published As

Publication number Publication date
NL7200581A (en) 1972-07-21
DE2202247A1 (en) 1972-08-17
FR2122934A5 (en) 1972-09-01

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