技术数据和性能参数Technical data and performance parameter：
公称压力：Nominal pressure: 1.0 Mpa, 1.6 Mpa, 2.5 Mpa(ANSI Class 125, 150lb)
规格：Nominal size: DN50~DN600 (2”-24”)
适用温度Suitable temperature: -40℃~180℃
适用介质Suitable medium: This butterfly valve can be applied in various concentrations of Acid, Alkali, Aqua regia and strong chloridizing etc (except the high-temperature melting alkali metals, element fluorine & chlorine trifluoride).
操作方式operation style: Handle, worm gear, electric, pneumatic, hydraulic.
用途Application: This butterfly valve is mainly used in petroleum, chemical, pharmaceutics, and metallurgy, coker etc corrosive pipeline circulation systems.
口径size
使用温度Max. working temperature
使用压力 Max. working pressure
试验压力Test pressure
液体Liquid
气体Gas
阀体（水压）Shell(Hydrostatic)
密封（气体）Seal(air) |
口径
size |
使用温度
Max. working temperature |
使用压力
Max. working pressure |
试验压力
Test pressure |
全开放CV值
|
液体
Liquid |
气体
Gas |
阀体(水压)
Shell(Hydrostatic) |
密封(气体)
Seal(air) |
|
50 |
180 |
7 |
2.5 |
10.5 |
3 |
120 |
|
65 |
120 |
|
80 |
290 |
|
100 |
450 |
|
125 |
800 |
|
150 |
1200 |
|
200 |
2300 |
|
250 |
3800 |
|
300 |
5700 |
|
350 |
6600 |
|
400 |
9000 |
|
450 |
11900 |
|
500 |
14400 |
|
600 |
21000 | |
|
序号 Sr. No. |
名称 Part name |
材质 Material |
|
1 |
阀体 Body |
Ductile iron |
|
1a |
阀体连接螺钉 connection screw |
Alloy steel |
|
2 |
阀体衬里 Body liner |
FEP F46 |
|
3 |
蝶板衬 Disc liner |
FEP F46 |
|
蝶板 Disc |
Cast steel |
|
上轴1 Upper shaft 1 |
Alloy steel |
|
上轴2 Upper shaft 2 |
Alloy steel |
|
下轴1 Lower shaft 1 |
Alloy steel |
|
3a |
下轴2 Lower shaft 2 |
Alloy steel |
|
3b |
下轴3 Lower shaft 3 |
Stainless steel |
|
4 |
上衬套 Upper bushing |
Stainless steel |
|
5 |
下衬套 Lower bushing |
Stainless steel |
|
6 |
密封环 Sealing ring |
PTFE |
|
7 |
压圈 Press ring |
Stainless steel |
|
8 |
后衬垫 Back bushing |
EPDM/Viton |
|
9 |
弹簧垫Spring washer |
Alloy spring steel |
|
10 |
内六角螺钉Socket head cap screw |
Alloy steel | |
| | |
