技术范围 Technical specification
设计依据
Design reference GB标准 ANSI标准
设计标准
Design standrd GB 12237 ANSI B16.34
结构长度
Face To face 对夹连接
Wafer connecting GB 12221 ANSI B16.10
连接法兰尺寸
Connecting Flange Size GB 9113、JB T79 ANSI B16.5
试验和检验
Test&inspection JB T9002 API598
注:系列蝶阀结构长度及连接法兰尺寸可根据用户要求设计制造。
Note:The structural length and connecting flange size of butterfly valve
serles can be designed and manufactured as perusers’requirements.
主要零件材质表 Form of Major Parts Materials
序号
NO 零件名称
Accessory name 材质
Material
C P R
1 内六角螺丝
Mild Sleel Hex Socket Screw 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
2 阀盖
Cover WCB 1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
3 垫片
Gasket 不锈钢+柔性石墨
Stainless Steel+Graphite
4 阀座
Seat 1Cr18Ni9Ti 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
5 垫片
Gasket 不锈钢+柔性石墨
Stainless Steel+Graphite
6 蝶板
Butterfly Plate WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
7 圆柱削
Straight Pin 45 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
8 下盖
Bottom Cover
WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
9 垫片
Gasket 不锈钢+柔性石墨
Stainless Steel+Graphite
10 衬套
Bushing PTFE+不锈钢
PTFE+Stainless Steel
11 阀体
Body WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
12 阀杆
Stem 1Cr13 1Cr18Ni9Ti 1Cr18Ni12Mo2Ti
13 支架
Yoke WCB
14 键
Key 45
15 衬套
Bushing PTFE+不锈钢
PTFE+Stainless Steel
16 填料
Packing 柔性石墨
Graphite
17 压盖
Gland WCB ZG1Cr18Ni9Ti ZG1Cr18Ni12Mo2Ti
18 位置指示器
Location lndicator
塑料
Plactic
注:系列蝶阀主要零部件及密封圈的材质可根据实际工况条件或用户特殊要求
设计选用。
Note:The structural length and connecting flange size&nbs