| D643H气动法兰硬密封蝶阀技术范围 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. D643H气动法兰硬密封蝶阀主要零件材质表 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 | | 
