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 |
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