| | 不锈钢对夹式止回阀H71|上海巴阀 
性能规范Specifications | Nominal pressure:PN1.6,2.5,4.0,6.4MPa | | | Strength testing pressure:PT2.4,3.8,6.0,9.6,MPa | | 公称压力:PN1.6,2.5,4.0,6.4MPa | Seat testing pressure（high pressure）:1.8,2.8,4.4,7.1MPa | | 强度试验压力：PT2.4,3.8,6.0,9.6,MPa | Applicable media:H71H-（16-64）C | | | | 高压密封试验压力：1.8,2.8,4.4,7.1MPa | Water.Oil.Gas | | | 适用介质： H71H-（16-64）C水，油，气 | Applicable temperature:-29～450℃ | | | 适用温度：-29～450℃ | Applicable media: | | | | 适用介质：H71H-（16-64）P 硝酸类 | H71H-（16-64）P Nitric acid | | | H71H-（16-64）R醋酸类 | H71H-（16-64）R Acetic acid | | | 适用温度：-40～450℃ | Applicable temperature:-40～450℃ | | 主要零件材料Materials of main parts | 零件名称 Description of parts | | | | | | | | | | 阀瓣Disc | ZG1Cr18Ni9Ti CF8 | ZG1Cr18Ni9Ti CF8 | ZG1Cr18Ni9Ti CF8M | | | 304. 316.PTFE | |
