气动法兰硬密封蝶阀
PNEUMATIC FLANGE TYPE HARD-SEALED BUTTERFLY VALVE
D643H型-PN16、25、40、CLASS150、300
技术规范 Technical specification
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| GB标准 | ANSI标准 | |
| 设计标准 | GB/12237 | ANSI B16.34 | |
| 结构长度 | 对夹式连接 | GB/12221 | ANSI B16.10 |
| 法兰尺寸 | GB/9113、JB/T79 | ANSI B16.5 | |
| 试验和检验 | JB/T9002 | API598 | |
※注：系列蝶阀结构长度及连接对夹法兰尺寸可根据用户要求设计制造
Note:The struturalength and connercting flange size of ball valve Series can be designed and manufactured as per users requirements
主要零件材质表 Form of Major Parts Materials
| 序号 | 零件名称 | 材质 | ||
| C | P | R | ||
| 1 | 内六角螺丝 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | 阀盖Cover | WCB | 1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 3 | 垫片Gasket | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 |
| 4 | 阀座Seat | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 垫片 Gasket | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 |
| 6 | 蝶板Butterfly plate | WCB | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni12Mo2Ti |
| 7 | 圆柱销Straight Pin | 45 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 下盖Bottom Cover | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 9 | 垫片Gasket | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 | 不锈钢+柔性石墨 |
| 10 | 衬套Bushing | PTFF+不锈钢 | PTFF+不锈钢 | PTFF+不锈钢 |
| 11 | 阀体Body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 12 | 阀杆Stem | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 13 | 连接支架 | WCB | WCB | WCB |
| 14 | 键Key | 45 | 45 | 45 |
| 15 | 衬套Bushing | PTFF+不锈钢 | PTFF+不锈钢 | PTFF+不锈钢 |
| 16 | 填料Packing | 柔性石墨 Graphite | 柔性石墨 Graphite | 柔性石墨 Graphite |
| 17 | 压盖Gland | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 18 | 气动装置 |
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| 19 | 位置指示器 | 塑料Plastic | 塑料Plastic | 塑料Plastic |
*注:主要零部件及密封圈的材质亦可根据实际工况条件或用户特殊要求设计选用.
Note:The main spare parts and sealing-ring materals of ball valve series can be designed for options as per real working conditions
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