详细说明
材料列表 Materiallist
| 零件名称 Description Parts | Q81F-25，40 | Q81F-25，40P | Q81F-25R，40R |
| 阀体 Body | WCB | ZG1Cr18Ni9Ti CF8 | ZG1Cr18Ni12Mo2Ti CF8M |
| 球体 Sall | 1Cr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 阀杆Stem | 1Cr18Ni9Ti 304 | 1Cr18Ni9Ti 304 | 1Cr18Ni12Mo2Ti 316 |
| 密封圈 Sealring | 聚四氟乙烯 Polytetrafluorethylene(PTFE) |
| 填料 Packing | 聚四氟乙烯 Polytetrafluorethylene(PTFE) |
性能规范 Specifications
| 公称压力Nominal pressure | PN | 2.5,4.0,6.4 | |
| 强度试验压力Seat testing pressure(low pressure) | PT | 3.8,6.0,9.6 | MPa |
| 低压密封试验压力Seat testing pressure(high pressure) | 0.6 |
| 高压密封试验压力 | 3.0,4.8,7.6 |
| 适用介质Applicable media | 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) 单位Unit:mm
| 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 |