GB1396884A - Valve proving systems - Google Patents
Valve proving systemsInfo
- Publication number
- GB1396884A GB1396884A GB1507071A GB1507071A GB1396884A GB 1396884 A GB1396884 A GB 1396884A GB 1507071 A GB1507071 A GB 1507071A GB 1507071 A GB1507071 A GB 1507071A GB 1396884 A GB1396884 A GB 1396884A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- duct
- piston
- leakage
- line
- 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
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/5762—With leakage or drip collecting
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/86928—Sequentially progressive opening or closing of plural valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Regulation And Control Of Combustion (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Details Of Valves (AREA)
- Fluid-Driven Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
1396884 Valves BABCOCK & WILCOX Ltd 12 May 1972 [14 May 1971] 15070/71 Heading F2V Rotary ball valve 10 is opened to supply gas to a burner by spring-returned actuator 34 when solenoid valve 31 pressurizes line 30, the pressure in line 30 also acting via restrictor 33a to close a valve 26 in a duct 15 extending from the ball chamber of valve 10, and via restrictor 32a to advance piston 17 against spring(s) 18, air and gas in cylinder 16 and duct 15 downstream of valve 26 being released by valve 20. In this condition, leakage into duct 15 is sensed by pressure-responsive switch 27. When valve 31 depressurizes line 30 to close valve 10, valve 26 opens and piston 17 returns leftwards to exhaust the ball chamber and duct 15 so that leakage gas is encouraged to flow to duct 15, switch 27 again ultimately responding to a predetermined pressure rise in duct 15 indicative of continuing leakage after piston 17 has fully returned. In a modification, valve 26 is replaced by a 3-way piston valve mechanically linked to the ball valve.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1507071A GB1396884A (en) | 1971-05-14 | 1971-05-14 | Valve proving systems |
US25256372 US3830250A (en) | 1971-05-14 | 1972-05-12 | Valve proving system |
CA142,176A CA966372A (en) | 1971-05-14 | 1972-05-15 | Valve proving system |
JP1982052978U JPS5929191Y2 (en) | 1971-05-14 | 1982-04-12 | Gas leak detection device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1507071A GB1396884A (en) | 1971-05-14 | 1971-05-14 | Valve proving systems |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1396884A true GB1396884A (en) | 1975-06-11 |
Family
ID=10052505
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1507071A Expired GB1396884A (en) | 1971-05-14 | 1971-05-14 | Valve proving systems |
Country Status (4)
Country | Link |
---|---|
US (1) | US3830250A (en) |
JP (1) | JPS5929191Y2 (en) |
CA (1) | CA966372A (en) |
GB (1) | GB1396884A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4877057A (en) * | 1986-03-12 | 1989-10-31 | Wormald, U.S. Inc. | Pressure equalizing valve |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8066023B2 (en) * | 2007-04-10 | 2011-11-29 | Black & Veatch Corporation | System and method for collecting and increasing the pressure of seal leak gas |
CN114893730A (en) * | 2022-05-30 | 2022-08-12 | 北京市燃气集团有限责任公司 | Leakage early warning detection method and system for indoor gas system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2136519A (en) * | 1936-06-26 | 1938-11-15 | Edward P O'connor | Steam operated cylinder relief and drain valve |
US3398761A (en) * | 1966-05-09 | 1968-08-27 | M & J Valve Co | Valve leakage detector |
GB1211199A (en) * | 1966-11-14 | 1970-11-04 | Gas Council | Improved method of testing for closure of series connected fuel valves |
US3511082A (en) * | 1968-05-07 | 1970-05-12 | M & J Valve Co | Leak detecting apparatus for valves |
US3605792A (en) * | 1969-10-31 | 1971-09-20 | Allied Ind Components | Valve with leak collector |
-
1971
- 1971-05-14 GB GB1507071A patent/GB1396884A/en not_active Expired
-
1972
- 1972-05-12 US US25256372 patent/US3830250A/en not_active Expired - Lifetime
- 1972-05-15 CA CA142,176A patent/CA966372A/en not_active Expired
-
1982
- 1982-04-12 JP JP1982052978U patent/JPS5929191Y2/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4877057A (en) * | 1986-03-12 | 1989-10-31 | Wormald, U.S. Inc. | Pressure equalizing valve |
Also Published As
Publication number | Publication date |
---|---|
US3830250A (en) | 1974-08-20 |
JPS57202074U (en) | 1982-12-22 |
CA966372A (en) | 1975-04-22 |
JPS5929191Y2 (en) | 1984-08-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PLNP | Patent lapsed through nonpayment of renewal fees |