2、结构长度按GB12221-89
3、法兰尺寸按JB/G79-94
4、阀门检查和试验按GB13927
J41W截止阀性能规范:
| 型号 | 公称压力 | 试验压力 | 工作温度(℃) | 适用介质 | ||
| 强度(水)(Mpa) | 密封(水)空气(Mpa) | 低压密封空气(Mpa) | ||||
| J41W-16P(R) | 1.6 | 2.4 | 1.8 | 0.6 | ≤200 | NITRIC ACID |
| J41W-25P(R) | 2.5 | 3.8 | 2.8 | 0.6 | ≤200 | 硝酸类 |
| ACETIC ACID | ||||||
| 醋酸类 | ||||||
| NITRIV ACID | ||||||
| 硝酸类 | ||||||
| J41W-40P(R) | 4.0 | 6.0 | 4.4 | 0.6 | ≤200 | ACETIC ACID |
| J41W-64P(R) | 6.4 | 9.6 | 7.0 | 0.6 | ≤200 | 醋酸类 |
J41W截止阀主要零件材质
| 零件名称 | ZG1Cr18Ni9Ti系列 | ZG00Cr18Ni10系列 | ZG1Cr18Ni12Mo2Ti系列 | ZG00Cr17Ni14Mo2系列 | WCB系列 |
| 阀体/阀盖 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
| 阀瓣 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | 1Cr13 |
| 阀杆 | ZG1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | 1Cr13 |
| 填料 | PTFE编织 | PTFE编织 | PTFE编织 | PTFE编织 | 石墨 |
| 垫片 | 304+PTFE | 304L+PTFE | 316+PTFE | 316L+PTFE | 石墨+304 |
| 压盖 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
| 填料压环 | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | 1Cr13 |
| 螺栓 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 35CrMoA |
| 螺母 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 45 |