JPS63185973U - - Google Patents
Info
- Publication number
- JPS63185973U JPS63185973U JP7659387U JP7659387U JPS63185973U JP S63185973 U JPS63185973 U JP S63185973U JP 7659387 U JP7659387 U JP 7659387U JP 7659387 U JP7659387 U JP 7659387U JP S63185973 U JPS63185973 U JP S63185973U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- main valve
- valve
- port
- closes
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 239000002783 friction material Substances 0.000 claims 1
Description
第１図は本考案の実施例の縦断正面図、第２図
及び第３図は要部の拡大断面図、第４図及び第５
図は従来例の縦断正面図である。
２１……主弁、２２……パイロツト弁、２４ｂ
，３５ａ……接触面、２５……入口ポート、２６
……出口ポート、２７……主弁座、２８……弁体
、３０……ダイヤフラム、３０ａ，３０ｂ……接
触面、３１……圧力作用室、３３，３７……滑り
シート、３８……入口オリフイス、４０……出口
オリフイス。
Fig. 1 is a longitudinal sectional front view of an embodiment of the present invention, Figs. 2 and 3 are enlarged sectional views of main parts, and Figs. 4 and 5.
The figure is a longitudinal sectional front view of a conventional example. 21...Main valve, 22...Pilot valve, 24b
, 35a... contact surface, 25... inlet port, 26
... Outlet port, 27 ... Main valve seat, 28 ... Valve body, 30 ... Diaphragm, 30a, 30b ... Contact surface, 31 ... Pressure action chamber, 33, 37 ... Sliding seat, 38 ... Inlet Orifice, 40...exit orifice.
Claims (1)
に設けた主弁座を開閉するダイヤフラム形弁体の
背後に、そのダイヤフラムによつて圧力作用室を
区画形成し、該圧力作用室に給排するパイロツト
流体の圧力によつて主弁座を開閉するようにした
パイロツト式２ポート弁において、 ダイヤフラムとそれが弁開閉動作に応じて接触
する主弁側の接触面との間に、可撓性低摩擦材料
よりなる滑りシートを介在させた、 ことを特徴とするパイロツト式２ポート弁。[Claim for Utility Model Registration] Behind a diaphragm-type valve element that opens and closes the main valve seat provided in the flow path between the inlet port and the outlet port of the main valve, a pressure acting chamber is defined by the diaphragm, In a pilot type two-port valve that opens and closes the main valve seat by the pressure of the pilot fluid supplied and discharged to the pressure action chamber, the diaphragm and the contact surface on the main valve side that comes into contact with the diaphragm in accordance with the valve opening and closing operation. A pilot type two-port valve characterized in that a sliding sheet made of a flexible low-friction material is interposed between the two ports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987076593U JPH0639188Y2 (en) | 1987-05-21 | 1987-05-21 | Pilot type 2 port valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987076593U JPH0639188Y2 (en) | 1987-05-21 | 1987-05-21 | Pilot type 2 port valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63185973U true JPS63185973U (en) | 1988-11-29 |
| JPH0639188Y2 JPH0639188Y2 (en) | 1994-10-12 |
Family
ID=30923817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987076593U Expired - Lifetime JPH0639188Y2 (en) | 1987-05-21 | 1987-05-21 | Pilot type 2 port valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0639188Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS456336Y1 (en) * | 1966-11-17 | 1970-03-30 |
-
1987
- 1987-05-21 JP JP1987076593U patent/JPH0639188Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS456336Y1 (en) * | 1966-11-17 | 1970-03-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0639188Y2 (en) | 1994-10-12 |