GB540737A - Improvements in or relating to pressure relieving devices for fluids - Google Patents
Improvements in or relating to pressure relieving devices for fluidsInfo
- Publication number
- GB540737A GB540737A GB750740A GB750740A GB540737A GB 540737 A GB540737 A GB 540737A GB 750740 A GB750740 A GB 750740A GB 750740 A GB750740 A GB 750740A GB 540737 A GB540737 A GB 540737A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- pressure
- flanges
- fitted
- edge
- 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
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
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/14—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member
- F16K17/16—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs
- F16K17/162—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side with fracturing member with fracturing diaphragm ; Rupture discs of the non reverse-buckling-type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
540,737. Pressure-relieving devices. HEASELDEN, H. April 26, 1940, No. 7507. [Class 135] An hydraulic system, particularly a domestic hot water system, is fitted with a frangible diaphragm pressure relieving device so arranged on a branch conduit that the diaphragm is normally isolated from the liquid in the system by air trapped in the branch conduit between the diaphragm and the liquid. In the form shown in Fig. 2 the diaphragm 25 of thin lead sheet or stout foil is clamped between the flanged ends 221, 231 of two pipes 22, 23, by a coupling nut 24. In a modification the two pipe sections screw directly into one another and the surface of the flanges have annular grooves to ensure a liquidtight joint. In another form the flanges are recessed to receive the edge of the diaphragm and are secured together by bolts. A spike or knife-edge may be fitted at 32 to facilitate rupture of the diaphragm when it bulges under excessive pressure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB750740A GB540737A (en) | 1940-04-26 | 1940-04-26 | Improvements in or relating to pressure relieving devices for fluids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB750740A GB540737A (en) | 1940-04-26 | 1940-04-26 | Improvements in or relating to pressure relieving devices for fluids |
Publications (1)
Publication Number | Publication Date |
---|---|
GB540737A true GB540737A (en) | 1941-10-28 |
Family
ID=9834437
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB750740A Expired GB540737A (en) | 1940-04-26 | 1940-04-26 | Improvements in or relating to pressure relieving devices for fluids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB540737A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2131088A (en) * | 1982-11-24 | 1984-06-13 | George William Gardom | Safety devices for water heaters |
GB2185287A (en) * | 1986-01-09 | 1987-07-15 | Thermal Technology Limited | Pressure relief systems |
-
1940
- 1940-04-26 GB GB750740A patent/GB540737A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2131088A (en) * | 1982-11-24 | 1984-06-13 | George William Gardom | Safety devices for water heaters |
GB2185287A (en) * | 1986-01-09 | 1987-07-15 | Thermal Technology Limited | Pressure relief systems |
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