产品详情
执行标准：
| 遵循规范 | STANDARD |
| 设计与规范 Design | GB 12239 |
| 结构长度 Face to face | GB 12221/JB 1688 |
| 法兰尺寸 End flange | JB 78/JB 79(GB HG SH) |
| 压力试验 Test | GB/T 13927 |
| 标志 Symbol | GB 12220 |
| 供货 Supply | GB/T 12252 |
主要零部件材料表 Standard Material Specifications
| 序号NO | 零件名称 Name | 灰铸铁 | 铸钢 | 不锈钢 | 超低碳不锈钢 | ||
| Z | C | P | R | PL | RL | ||
| 1 | 阀体、阀盖、阀瓣 | HT250 | WCB | CF8 | CF8M | CF3 | CF3M |
| 2 | 阀杆 | 35 | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12M02Ti | 00Cr18Ni10 | 00Cr17Ni14M02 |
| 3 | 衬里层 | FEP(F46) PFA PCTFE(F3) | |||||
| 4 | 隔膜 | FEP(F46)/CR(氟丁橡胶） PFA（可溶性聚四氟乙烯）/FPDM（乙丙橡胶） | |||||
| 5 | 阀杆螺母 | ZCuAl10Fe3 ZCuAl10Fe3 | |||||
| 6 | 螺栓 | 35 | 35 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni9Ti | 1Cr17Ni9Ti |
| 7 | 螺母 | 45 | 45 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 | 0Cr18Ni9 |
| 8 | 手轮 | HT200 | HT200 | WCC | WCC | WCC | WCC |
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