| 手动D43型、蜗轮传动D343型、气动D643型 Manual D43 type,worm gear drive D343 type,pneumatic type D643,D943-type electric |
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法兰式金属硬密封蝶阀标准与规范Standards and specifications
| 设计与制造Design and manufacfuring | 结构长度Length of the structure | 压力-温度等级Pressure-temperature rating | 配管法兰Pipe flange | 试验与检验Test and Inspection |
| JB/T8527 GBl2238 | GB12221 | JB/T74、GB9131 | JB/T74-90 GB9112-9131 HG20592-20596 | GB/Tl3927 |
法兰式金属硬密封蝶阀型号、材料及主要参数Models、materials and the main parameters
| 配管法兰Pipe flange | 公称压力PN、MPa | 法兰密封面 | 产品型号Product Type | ||||||
| JB、T74-90 HG20592 -20596 GB9112-9131 | 0.25 | 凸光滑面 CONVEX slip surface | D43H-2.5C | D43W-2.5P | D43W-2.5P8 | D43W-2.5P3 | D43W-2.5R | D43W-2.5R8 | D43W-2.5R3 |
| 0.6 | D43H-6C | D43W-6P | D43W-6P8 | D43W-6P3 | D43W-6R | D43W-6R8 | D43W-6R3 | ||
| 1.0 | D43H-210C | D43W-10P | D43W-10P8 | D43W-10P3 | D43W-10R | D43W-10R8 | D43W-10R3 | ||
| 1.6 | D43H-16C | D43W-16P | D43W-16P8 | D43W-16P3 | D43W-16R | D43W-16R8 | D43W-16R3 | ||
| 2.5 | D43H-25 | D43W-25P | D43W-25P8 | D43W-25P3 | D43W-25R | D43W-25R8 | D43W-25R3 | ||
| 4.0 | D43H-40 | D43W-40P | D43W-40P8 | D43W-40P3 | D43W-40R | D43W-40R8 | D43W-40R3 | ||
| 主要零件材料 Main Parts Materials | 阀体Body | WCB | ZG1Cr18Ni9Ti | CF8 | CF3 | ZG1Cr18Ni | CF8M | CF3M | |
| 压圈Pressure ring | WCB | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni 12Mo2Ti | CF8(316) | CF3M(316L) | ||
| 蝶板Disc | 碳钢面堆焊Cr13 | ZG1Cr18Ni9Ti | CF8(304) | CF3(304L) | ZG1Cr18Ni 12Mo2Ti | CF8(316) | CF3M(316L) | ||
| 阀杆Stem | 2Cr13 | 1Cr18Ni9Ti | 0Cr19Ni9 | 00Cr19Ni11 | 1Cr18Ni 12Mo2Ti | 0Cr17Ni2Mo2 | 00Cr17 Ni14Mo2 | ||
| 阀座Seat | 1Cr18Ni9Ti | 0Cr19Ni9 | 00Cr19Ni11 | 00Cr19Ni11 | 0Cr17 Ni2Mo2 | 00Cr17 Ni14Mo2 | 00Cr17 Ni14Mo2 | ||
| 适用工况 Conditions apply | 适用介质 Suitable media | 水、蒸汽、油品等 Water,steam 0il,etc | 硝酸等腐蚀性介质Nitricacid and other ccrrosive media | 强氧化性介质 Chronic Effects | 醋酸等腐蚀性介质Acetic acid and other corrosive media | 尿素等腐蚀性介质urea and other corrosive Medium | |||
| 蜗轮传动蝶阀Worm drive butterfly valve | 在阀门类型代号D后加入“3"表示，示例：D343H-16C | ||||||||
| 气动蝶阀Pneumatic butterfly valve | 在阀门类型代号D后加入“6"，示例：D643H一25气压0.4～0.6MPa | ||||||||
| 电动蝶阀 Electric butterfly | 法兰式金属硬密封蝶阀在阀门类型代号D后加“9"表示，示例：D943H-16C | ||||||||
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