بخش
تیتر
صفحه
- 1
مقدمه ای بر ولوها ...............................................................................................................
5
- 1.1
قسمتهای اصلی ولوها .........................................................................................................
5
- 1.2
کاربرد Hand wheel ..........................................................................................................
6
- 1.3
اتصالات بدنه ولو ها ............................................................................................................
7
- 2
ولوهای Gate ، Globe و سوزنی .......................................................................................
8
- 2.1
ولو Gate ............................................................................................................................
9
- 2.2
ولو Globe ..........................................................................................................................
12
- 2.2.1
ولو Angle ..........................................................................................................................
14
- 2.2.2
ولو سوزنی ..........................................................................................................................
14
- 3
ولوهای پلاگ ،توپی و پروانه ای ........................................................................................
15
- 3.1
ولو پلاگ ..........................................................................................................................
15
- 3.1.1
ولو پلاگ سه راهی ............................................................................................................
18
- 3.1.2
ولو چهار راهی ...................................................................................................................
20
- 3.2
ولو توپی ..........................................................................................................................
21
- 3.3
ولو پروانه ای .....................................................................................................................
22
- 4
ولوهای دیافراگم،Pinch وCheck Valve ..........................................................................
24
- 4.1
ولو دیافراگم ......................................................................................................................
26
- 4.2
ولو Pinch ..........................................................................................................................
27
- 4.3
Check Valve ....................................................................................................................
28
- 4.3.1
Check Valve گردان .........................................................................................................
28
- 4.3.2
Check Valve بالارونده ......................................................................................................
30
- 4.3.3
Check Valve توپی ...........................................................................................................
31
- 5
Safety Valves , Relief Valves ......................................................................................
32
- 5.1
فشار در سیستم .....................................................................................................................
32
- 5.2
Relief Valve .....................................................................................................................
32
- 5.3
Safety Valve ....................................................................................................................
34
