材料列表Materiallist
| 零件名称 | Description of parts | Q81F-25,40 | Q81F-25,40P | Q81F-25R,40R |
| 阀体 | Valve body | WCB | ZG1Cr18Ni9Ti CF8 | ZG1Cr18Ni12Mo2Ti CF8M |
| 球体 | Ball | 1Cr18Ni9Ti SS304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 阀杆 | Stem | 1Cr18Ni9Ti SS304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 密封圈 | Seal ring | 聚四氟乙烯Polytetrafluoroethlene | ||
| 填料 | Packing | 聚四氟乙烯Polytetrafluoroethlene | ||
性能规范 Specifications
| 公称压力 Nominal pressure | PN 2.5,4.0,6.4 |
| |
| 强度试验压力 Strength testing pressure | PT | 3.8,6.0,9.6 |
Mpa |
| 低压密封试验压力 Seal test pressure(low pressure) | 0.6 | ||
| 高压密封试验压力Seal test pressure(high pressure) | 3.0,4.8,7.6 | ||
| 适用介质Applicable medium | Q81F-(25~40~64)C,Q81F-(25~40~64)P,Q81F-(25~40~64)R | ||
| 水、油品、气Water、oil、gas | 硝酸类nitric acid | 醋酸类Acetic acid | |
| 适用温度Applicable temperature | -40~180℃ | ||
尺寸列表Dimension List(150Lb)
| DN | G | D | L | H | A |
| 15 | 1/2" | 34 | 95 | 68 | 125 |
| 20 | 3/4" | 50.5 | 105 | 70 | 125 |
| 25 | 1" | 50.5 | 115 | 80 | 145 |
| 32 | 11/4" | 50.5 | 125 | 84 | 145 |
| 40 | 11/2" | 50.5 | 135 | 93 | 205 |
| 50 | 2" | 64 | 150 | 100 | 205 |
| 65 | 21/2" | 91 | 190 | 142 | 250 |
| 80 | 3" | 106 | 220 | 155 | 250 |
