JPH0393918U - - Google Patents
Info
- Publication number
- JPH0393918U JPH0393918U JP221990U JP221990U JPH0393918U JP H0393918 U JPH0393918 U JP H0393918U JP 221990 U JP221990 U JP 221990U JP 221990 U JP221990 U JP 221990U JP H0393918 U JPH0393918 U JP H0393918U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- pressure reducing
- close
- open
- type pressure
- 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
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Control Of Fluid Pressure (AREA)
Description
第１図は本考案の実施例を示す減圧弁のピスト
ンの拡大断面図、第２図は従来の減圧弁の断面図
である。
２……本体、４……入口、６……弁口、８……
出口、１０……主弁、１６……ピストン、１８…
…シリンダー、２４……パイロツト弁、２６……
ダイヤフラム、３８…圧力設定ばね、５０……反
転バイメタル、５２……弁体、５４……オリフイ
ス。
FIG. 1 is an enlarged sectional view of a piston of a pressure reducing valve showing an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional pressure reducing valve. 2...Main body, 4...Inlet, 6...Valve port, 8...
Outlet, 10... Main valve, 16... Piston, 18...
...Cylinder, 24...Pilot valve, 26...
Diaphragm, 38...pressure setting spring, 50...inverted bimetal, 52...valve body, 54...orifice.
Claims (1)
動するように配置されたピストンの周側面に環状
の溝を形成し、その溝に樹脂製のピストンリング
を配置し、ピストンの上面と下面を連通するオリ
フイスを開口し、そのオリフイスを開閉する弁体
を配置し、その弁体は温度応動部材により低温で
閉弁し、高温になれば開弁するように作用せしめ
られたことを特徴とするパイロツト式減圧弁。 In a pilot-type pressure reducing valve, an annular groove is formed on the circumferential side of the piston that is placed to slide inside the cylinder, and a resin piston ring is placed in the groove to communicate the top and bottom surfaces of the piston. A pilot device characterized in that a valve body is arranged to open and close the orifice, and the valve body is operated by a temperature-responsive member to close at a low temperature and open when the temperature increases. type pressure reducing valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990002219U JPH0749530Y2 (en) | 1990-01-12 | 1990-01-12 | Pilot type pressure reducing valve for steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990002219U JPH0749530Y2 (en) | 1990-01-12 | 1990-01-12 | Pilot type pressure reducing valve for steam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0393918U true JPH0393918U (en) | 1991-09-25 |
| JPH0749530Y2 JPH0749530Y2 (en) | 1995-11-13 |
Family
ID=31506098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990002219U Expired - Lifetime JPH0749530Y2 (en) | 1990-01-12 | 1990-01-12 | Pilot type pressure reducing valve for steam |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0749530Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5438726U (en) * | 1977-08-24 | 1979-03-14 | ||
| JPS62163122A (en) * | 1986-01-13 | 1987-07-18 | Tlv Co Ltd | Pressure reducing valve |
| JPS6348211U (en) * | 1986-09-09 | 1988-04-01 |
-
1990
- 1990-01-12 JP JP1990002219U patent/JPH0749530Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5438726U (en) * | 1977-08-24 | 1979-03-14 | ||
| JPS62163122A (en) * | 1986-01-13 | 1987-07-18 | Tlv Co Ltd | Pressure reducing valve |
| JPS6348211U (en) * | 1986-09-09 | 1988-04-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0749530Y2 (en) | 1995-11-13 |