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 |
| 
