????? | | | ? | | ? | 压力试验标准 阀门密封试验压力:1.6 Mpa 阀门强度试验压力:2.4 Mpa | | | | 适用标准 | 1.法兰 | ANSI B16.1 | 2.结构长度 | ANSI B16.10 | 3.法兰连接 | 平面法兰 | 4.工作压力 | 1.6 Mpa | 5.适用温度 | 175℃ | 6.适用介质 | 饮用水,污水 | | | 材质表 | 1.阀体 | 灰铸铁 | 2.阀盖 | 灰铸铁 | 3.阀杆 | 不锈钢 | 4.阀杆螺母 | 黄? 铜 | 5.阀座密封 | 黄? 铜 | 6.阀板密封 | 黄? 铜 | 7.手轮 | 灰铸铁 | 8.填料 | 柔性石墨 | | ? | ? | ? | ? | ? | Dimensions???????????????? ?????????????????????????????????????????????????????????????????????????????????????????????????????????????Unit:mm SIZE | L | D | D1 | b | Z-фd | Do | H | in.2(50mm) | 177.8 | 152 | 120.5 | 16 | 4-19 | 200 | 279 | in.2 1/2(65mm) | 190.5 | 178 | 139.5 | 17.5 | 4-19 | 200 | 318 | in.3(80mm) | 203.2 | 190 | 152.5 | 19 | 4-19 | 240 | 343 | in.4(100mm) | 228.6 | 229 | 190.5 | 24 | 8-19 | 240 | 400 | in.5(125mm) | 254 | 254 | 216 | 24 | 8-22 | 285 | 432 | in.6(150mm) | 266.7 | 279 | 241.5 | 25.4 | 8-22 | 300 | 533 | in.8(200mm) | 292.1 | 343 | 298.5 | 28.6 | 8-22 | 360 | 635 | in.10(250mm) | 330.2 | 406 | 362 | 30.2 | 12-25 | 400 | 737 | in.12(300mm) | 355.6 | 483 | 432 | 31.8 | 12-25 | 450 | 876 | |