JPS61193324U - - Google Patents
Info
- Publication number
- JPS61193324U JPS61193324U JP7700085U JP7700085U JPS61193324U JP S61193324 U JPS61193324 U JP S61193324U JP 7700085 U JP7700085 U JP 7700085U JP 7700085 U JP7700085 U JP 7700085U JP S61193324 U JPS61193324 U JP S61193324U
- Authority
- JP
- Japan
- Prior art keywords
- valve seat
- gas meter
- gas
- valve
- flow rate
- 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.)
- Granted
Links
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 2
Landscapes
- Measuring Volume Flow (AREA)
- Safety Valves (AREA)
Description
第１図は本考案に係る安全装置の断面図、第２
図は正面図、第３図はルーツメータ配管内の本考
案安全装置を取り付けた実施例図、第４図は中圧
膜式ガスメータに本考案安全装置を取り付けた実
施例図である。
１……本体、２……ガス通路、３……フランジ
、４……弁シート、５……軸受、６……安全弁、
７……スラスト軸、８……流量制限孔、９……ス
プリング、１０……ルーツガスメータ、１１……
ボールバルブ、１２……中圧膜式ガスメータ、１
３……ガス入口。
Figure 1 is a sectional view of the safety device according to the present invention, Figure 2 is a sectional view of the safety device according to the present invention.
The figure is a front view, FIG. 3 is an embodiment in which the safety device of the present invention is installed in roots meter piping, and FIG. 4 is an embodiment in which the safety device of the present invention is installed in a medium pressure membrane type gas meter. 1... Body, 2... Gas passage, 3... Flange, 4... Valve seat, 5... Bearing, 6... Safety valve,
7... Thrust shaft, 8... Flow rate restriction hole, 9... Spring, 10... Roots gas meter, 11...
Ball valve, 12... Medium pressure membrane gas meter, 1
3...Gas inlet.
Claims (1)
シートに対して上流側から密着自在の流量制限孔
付安全弁を設け、該安全弁はスプリングにより生
常圧の時は開放しており、異常圧の時にのみ弁シ
ートに密着するように作動条件が設定されそいる
ことを特徴とするガスメータ保護装置。 A valve seat is formed in the gas flow path, and a safety valve with a flow rate restriction hole that can be tightly attached to the valve seat from the upstream side is provided. A gas meter protection device characterized in that an operating condition is set so that the gas meter comes into close contact with a valve seat only at certain times.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985077000U JPH0434294Y2 (en) | 1985-05-22 | 1985-05-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985077000U JPH0434294Y2 (en) | 1985-05-22 | 1985-05-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61193324U true JPS61193324U (en) | 1986-12-02 |
| JPH0434294Y2 JPH0434294Y2 (en) | 1992-08-14 |
Family
ID=30619660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985077000U Expired JPH0434294Y2 (en) | 1985-05-22 | 1985-05-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0434294Y2 (en) |
-
1985
- 1985-05-22 JP JP1985077000U patent/JPH0434294Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0434294Y2 (en) | 1992-08-14 |