| 『一下』-Q81F三片式快装球阀 
| 性能规范Specifications | Nominal pressure:PN0.6,1.0,1.6,2.0,2.5MPa | | | Strength testing pressure:PT0.9,1.5,2.4,3.0,3.8MPa | | 公称压力:PN0.6,1.0,1.6,2.0,2.5MPa | Seat testing pressure（low pressure）:0.6MPa | | 强度试验压力：PT0.9,1.5,2.4,3.0,3.8MPa | Applicable media: | | | | 低压气密封试验压力：0.6MPa | Q81F-（16-25）C Water.Oil.Gas | | | 适用介质：Q81F-（16-25）C 水，油品，气 | Applicable temperature:-29～280℃ | | | 适用温度：-29～280℃ | Applicable media: | | | | 适用介质：Q81F-（16-25）P 硝酸类 | Q81F-（16-25）P Nitric acid | | | Q81F-（16-25）R 醋酸类 | Q81F-（16-25）R Acetic acid | | | 适用温度：-40～280℃ | Applicable temperature:-40～280℃ | 主要零件材料Materials of main parts | 零件名称 Description of parts | Q81F-（16-25）C | | | | | | | | | 阀盖Bonnet | WCB | ZG1Cr18Ni9i CF8 | ZG1Cr18Ni12Mo2Ti CF8M | | | | | | | | | | | | | 聚四氟乙烯Polytetrafluorethylene（PTEE） | | | 聚四氟乙烯Polytetrafluorethylene（PTEE） | | DN | G | d | L | H | W | | 15 | 1/2" | 34 | 90/100 | 68 | 125 | | 20 | 3/4" | 34/50.5 | 90/100 | 70 | 125 | | 25 | 1" | 50.5 | 100/120 | 80 | 145 | | 32 | 1¼" | 50.5 | 110/130 | 84 | 145 | | 40 | 1½" | 50.5 | 125/140 | 93 | 205 | | 50 | 2" | 64 | 150/156 | 100 | 205 | |
