D643H法兰式气动硬密封蝶阀广泛适用于电站供热系统和催化裂化主风机道管系统和钢铁、冶金、化工等工业系统以及环保、水处理、高层建筑给水排水管路上作切断或调节流量作用. 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 |
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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 |
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