JPS63128366U - - Google Patents
Info
- Publication number
- JPS63128366U JPS63128366U JP1992687U JP1992687U JPS63128366U JP S63128366 U JPS63128366 U JP S63128366U JP 1992687 U JP1992687 U JP 1992687U JP 1992687 U JP1992687 U JP 1992687U JP S63128366 U JPS63128366 U JP S63128366U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- diameter valve
- cage
- flow path
- fluid flow
- 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.)
- Pending
Links
- 239000012530 fluid Substances 0.000 claims description 8
Landscapes
- Details Of Valves (AREA)
Description
第１図は本考案に係わるタンデム型圧力制御弁
の一実施例を示す縦断側面図、第２図はその全体
を示す一部縦断側面図、第３図は従来のタンデム
型圧力制御弁を示す縦断側面図である。
１……小径弁体、２……大径弁体、３……ケー
ジ、３ａ……一次流体流路１２と二次流体流路１
３とを連絡するポート、４……弁座、５……小径
弁体１を閉方向に付勢するばね、６……大径弁体
６を閉方向に付勢するばね、７……連通孔、８…
…バランス室、９，９ａ，１０……弁体用上昇駆
動装置、１２……一次流体流路、１３……二次流
体流路。
Fig. 1 is a longitudinal side view showing an embodiment of the tandem pressure control valve according to the present invention, Fig. 2 is a partial longitudinal side view showing the entire structure, and Fig. 3 is a conventional tandem pressure control valve. FIG. 1...Small diameter valve body, 2...Large diameter valve body, 3...Cage, 3a...Primary fluid flow path 12 and secondary fluid flow path 1
Port communicating with 3, 4... Valve seat, 5... Spring that biases the small diameter valve body 1 in the closing direction, 6... Spring that biases the large diameter valve body 6 in the closing direction, 7... Communication Hole, 8...
...Balance chamber, 9, 9a, 10... Valve element lift drive device, 12... Primary fluid flow path, 13... Secondary fluid flow path.
Claims (1)
トを中空のケージに設け、下降して同ポートを閉
じる中空の大径弁体を同ケージ内に昇降可能に設
け、同大径弁体を閉方向に付勢するばねを上記ケ
ージ内に設け、同大径弁体内と上記二次流体流路
とを連絡するポートを同大径弁体の下部に設け、
下降して同ポートを閉じる小径弁体を同大径弁体
内に昇降可能に設け、同小径弁体を閉方向に付勢
するばねを上記大径弁体内に設け、弁体用上昇駆
動装置を上記ケージ及び上記大径弁体の上部を貫
通して上記小径弁体に取付けたタンデム型圧力制
御弁において、前記大径弁体上方の前記ケージ内
に形成したバランス室と前記一次流体流路とを連
通する連通孔を同ケージに設けたことを特徴とす
るタンデム型圧力制御弁。 A port connecting the primary fluid flow path and the secondary fluid flow path is provided in a hollow cage, and a hollow large-diameter valve body that descends to close the port is provided in the cage so as to be movable up and down. a spring biased in the closing direction is provided in the cage, a port connecting the large diameter valve body and the secondary fluid flow path is provided at the bottom of the large diameter valve body,
A small-diameter valve body that descends to close the port is provided in the large-diameter valve body so as to be movable up and down, a spring that biases the small-diameter valve body in the closing direction is provided in the large-diameter valve body, and a lift drive device for the valve body is provided. In a tandem pressure control valve that passes through the cage and the upper part of the large-diameter valve body and is attached to the small-diameter valve body, a balance chamber formed in the cage above the large-diameter valve body and the primary fluid flow path are provided. A tandem pressure control valve characterized in that the cage is provided with a communication hole that communicates with the cage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992687U JPS63128366U (en) | 1987-02-16 | 1987-02-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1992687U JPS63128366U (en) | 1987-02-16 | 1987-02-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63128366U true JPS63128366U (en) | 1988-08-22 |
Family
ID=30814964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1992687U Pending JPS63128366U (en) | 1987-02-16 | 1987-02-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63128366U (en) |
-
1987
- 1987-02-16 JP JP1992687U patent/JPS63128366U/ja active Pending