JP4502821B2 - 減圧弁 - Google Patents
減圧弁 Download PDFInfo
- Publication number
- JP4502821B2 JP4502821B2 JP2005001687A JP2005001687A JP4502821B2 JP 4502821 B2 JP4502821 B2 JP 4502821B2 JP 2005001687 A JP2005001687 A JP 2005001687A JP 2005001687 A JP2005001687 A JP 2005001687A JP 4502821 B2 JP4502821 B2 JP 4502821B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- hot water
- water supply
- valve body
- 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.)
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- Control Of Fluid Pressure (AREA)
Description
2 弁本体ボデイ
3 弁室
4 一次側流路
5 二次側流路
6 弁孔
7 弁部
8 弁体
9 メインばね
10 導圧路
11 膨張タンク室
13 可動部材
14 ばね受け部
15 押圧ばね
16 ダイアフラム
17 固定壁
18 操作カバー
19 板ナット
25 内部ボデイ
Claims (1)
- 弁本体ボデイ内に弁室と、該弁室に流体が流入する一次側流路と、前記弁室から流体が流出する二次側流路とが設けられ、前記弁室には前記一次側流路と二次側流路を連通する弁孔が設けられると共に弁部を有する弁体が収容されており、該弁体には開弁方向の付勢力がダイアフラムを介してメインばねにより印加され、該弁体は前記二次側流路の二次圧が設定圧よりも大のときには前記二次圧によりメインばねの付勢力に抗して閉弁方向に移動して弁部により弁孔を閉止し、二次圧が設定圧よりも低下したときには前記メインばねの付勢力によって開弁方向に移動して弁孔を開く減圧弁において、前記ダイアフラムの内周縁部は可動部材に固定され、前記ダイアフラムの外周端縁側は固定壁に固定され、前記ダイアフラムと固定壁とによって囲まれた水密空間によって膨張タンク室が形成され、膨張タンク室内は導圧路を介して二次側流路に連通し、前記可動部材と弁体とは押圧ばねを介して相対移動可能に連結され、弁体は前記可動部材を係止して押圧ばねの伸長を規制する係止部を有し、弁孔が閉止されるまでは押圧ばねの伸長が弁体の係止部によって規制された状態でダイアフラムと弁体とは一体的に移動し、弁孔が閉止された後は二次圧の上昇に応じて押圧ばねが収縮しダイアフラムが弁体に対して相対移動して膨張タンク室が膨張することを特徴とする減圧弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005001687A JP4502821B2 (ja) | 2005-01-06 | 2005-01-06 | 減圧弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005001687A JP4502821B2 (ja) | 2005-01-06 | 2005-01-06 | 減圧弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006190100A JP2006190100A (ja) | 2006-07-20 |
JP4502821B2 true JP4502821B2 (ja) | 2010-07-14 |
Family
ID=36797244
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005001687A Active JP4502821B2 (ja) | 2005-01-06 | 2005-01-06 | 減圧弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4502821B2 (ja) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0566472U (ja) * | 1992-02-06 | 1993-09-03 | パロマ工業株式会社 | 給湯器の膨張弁 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57149680A (en) * | 1981-03-10 | 1982-09-16 | Osaka Gas Co Ltd | Pressure regulator |
JPS584948U (ja) * | 1981-07-03 | 1983-01-13 | 株式会社ノーリツ | 水圧応動装置 |
JPH01314313A (ja) * | 1988-06-14 | 1989-12-19 | Ntc Kogyo Kk | 逃し弁付き減圧弁 |
JP3473164B2 (ja) * | 1995-04-20 | 2003-12-02 | 株式会社Inax | 給湯設備 |
-
2005
- 2005-01-06 JP JP2005001687A patent/JP4502821B2/ja active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0566472U (ja) * | 1992-02-06 | 1993-09-03 | パロマ工業株式会社 | 給湯器の膨張弁 |
Also Published As
Publication number | Publication date |
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JP2006190100A (ja) | 2006-07-20 |
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