JPH0323788B2 - - Google Patents
Info
- Publication number
- JPH0323788B2 JPH0323788B2 JP60095725A JP9572585A JPH0323788B2 JP H0323788 B2 JPH0323788 B2 JP H0323788B2 JP 60095725 A JP60095725 A JP 60095725A JP 9572585 A JP9572585 A JP 9572585A JP H0323788 B2 JPH0323788 B2 JP H0323788B2
- Authority
- JP
- Japan
- Prior art keywords
- check
- valve body
- water
- valve
- water leakage
- 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 - Lifetime
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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0033—Electrical or magnetic means using a permanent magnet, e.g. in combination with a reed relays
-
- 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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0025—Electrical or magnetic means
- F16K37/0041—Electrical or magnetic means for measuring valve parameters
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
- Check Valves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9572585A JPS61256073A (ja) | 1985-05-04 | 1985-05-04 | 水道配管系の漏水検出用逆止弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9572585A JPS61256073A (ja) | 1985-05-04 | 1985-05-04 | 水道配管系の漏水検出用逆止弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61256073A JPS61256073A (ja) | 1986-11-13 |
JPH0323788B2 true JPH0323788B2 (en]) | 1991-03-29 |
Family
ID=14145447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9572585A Granted JPS61256073A (ja) | 1985-05-04 | 1985-05-04 | 水道配管系の漏水検出用逆止弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61256073A (en]) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9882326B2 (en) * | 2013-08-01 | 2018-01-30 | General Equipment And Manufacturing Company, Inc. | Configurable switch emulator module |
CN106065971A (zh) * | 2016-07-25 | 2016-11-02 | 无锡昊瑜节能环保设备有限公司 | 一种水龙头故障报警方法 |
JP6960261B2 (ja) * | 2017-06-30 | 2021-11-05 | 忠司 永田 | 配管保守支援機器及び配管保守支援システム |
-
1985
- 1985-05-04 JP JP9572585A patent/JPS61256073A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61256073A (ja) | 1986-11-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5390744A (en) | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | |
MY121845A (en) | Gas type identification system | |
ES8308624A1 (es) | "un metodo de detectar una fuga en un sistema de conductos". | |
MY128776A (en) | Gas leakage detection system | |
JPH0323788B2 (en]) | ||
Fleming | Susceptibility of distribution systems to negative pressure transients | |
US3951164A (en) | Anti-siphon and backflow prevention valve | |
US3905392A (en) | Alarm check valve | |
JP2816733B2 (ja) | スプリンクラ消火設備 | |
JPH0229974B2 (en]) | ||
USRE30849E (en) | Anti-siphon and backflow prevention valve | |
JPS641734B2 (en]) | ||
CA1308332C (en) | Combined alarm and back-flow prevention arrangement for fire suppression sprinkler system | |
JPH09184171A (ja) | 配水設備用の緊急遮断弁装置 | |
JPS5834334A (ja) | 漏洩位置検出方式 | |
JPS63147300A (ja) | ガスもれ信号伝達方法 | |
JPS5740185A (en) | Valve operation monitor | |
JP2000304586A (ja) | 感震ガス遮断装置及び感震ガス遮断システム | |
JPH1030973A (ja) | 圧力検知バルブ及びこれを用いた配管漏洩箇所の特定方法 | |
JPS5810623A (ja) | 漏水検出装置 | |
JPH08247817A (ja) | ガス遮断装置およびガスメータ | |
JPH0441768B2 (en]) | ||
JPH11212656A (ja) | 整圧機構 | |
JP3786037B2 (ja) | 逆流防止装置 | |
JPH07310837A (ja) | スイング逆止め弁 |