ZA931921B - Hydraulic shut-off valve - Google Patents

Hydraulic shut-off valve

Info

Publication number
ZA931921B
ZA931921B ZA931921A ZA931921A ZA931921B ZA 931921 B ZA931921 B ZA 931921B ZA 931921 A ZA931921 A ZA 931921A ZA 931921 A ZA931921 A ZA 931921A ZA 931921 B ZA931921 B ZA 931921B
Authority
ZA
South Africa
Prior art keywords
valve
hydraulic shut
shut
hydraulic
Prior art date
Application number
ZA931921A
Inventor
Richard Nigel Bartholomew
Original Assignee
R B Engineering Services Propr
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 R B Engineering Services Propr filed Critical R B Engineering Services Propr
Publication of ZA931921B publication Critical patent/ZA931921B/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
    • 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
    • F16K17/30—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 spring-loaded
    • 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
    • F16K17/0486—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 mechanical actuating means
    • 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
    • F16K17/168—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Prostheses (AREA)
ZA931921A 1992-06-16 1993-03-18 Hydraulic shut-off valve ZA931921B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA924385 1992-06-16
CA002105739A CA2105739A1 (en) 1992-06-16 1993-09-08 Hydraulic shut-off valve

Publications (1)

Publication Number Publication Date
ZA931921B true ZA931921B (en) 1993-10-07

Family

ID=25676623

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA931921A ZA931921B (en) 1992-06-16 1993-03-18 Hydraulic shut-off valve

Country Status (2)

Country Link
CA (1) CA2105739A1 (en)
ZA (1) ZA931921B (en)

Also Published As

Publication number Publication date
CA2105739A1 (en) 1995-03-09

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