主要性能规范： 型号 | 公称压力 | 试验压力 | 工作温度(℃) | 适用介质 | 强度(水)Mpa | 密封(水)空气(Mpa) | 低压密封(空气)Mpa | CB/T3942-16P | 1.6 | 2.4 | 1.8 | 0.6 | ≤200 | 硝酸类 | CB/T3942-25P | 2.5 | 3.8 | 2.8 | 0.6 | ≤200 | 硝酸类 | CB/T3942-40P | 4.0 | 6.0 | 4.4 | 0.6 | ≤200 | 硝酸类 | CB/T3942-64P | 6.4 | 9.6 | 7.0 | 0.6 | ≤200 | 硝酸类 |
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主要零件的材料说明：
零件名称 | 材料 | CB/T3942-16P-25P-40R | CB/T3942-16R-25P-40R | 阀体、阀盖 | 铬镍钛钢 | 铬镍钼钛钢 | 阀板 | 阀杆 | 阀杆螺母 | 铝铁青铜 | 手轮 | 灰铸铁、可铸锻铁 |
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主要外形尺寸：
型号 | 公称通径 DN | 尺寸(mm) | L | D | D1 | D2 | H | b-f | Z-Φd | Do | CB/T3942-16P(R) | 15 | 130 | 95 | 65 | 45 | 170 | 16-2 | 4-14 | 120 | 20 | 150 | 105 | 75 | 55 | 190 | 16-2 | 4-14 | 140 | 25 | 160 | 115 | 85 | 65 | 205 | 16-2 | 4-14 | 160 | 32 | 180 | 135 | 100 | 78 | 270 | 18-2 | 4-18 | 180 | 40 | 200 | 145 | 110 | 85 | 310 | 18-3 | 4-18 | 200 | 50 | 230 | 160 | 125 | 100 | 358 | 18-3 | 4-18 | 240 | 65 | 290 | 180 | 145 | 120 | 373 | 18-3 | 4-18 | 280 | 80 | 310 | 195 | 160 | 135 | 435 | 20-3 | 8-18 | 320 | 100 | 350 | 215 | 180 | 155 | 500 | 20-3 | 8-18 | 360 | 125 | 400 | 245 | 210 | 185 | 614 | 22-3 | 8-18 | 400 | 150 | 480 | 280 | 240 | 210 | 674 | 24-3 | 8-23 | 400 | 200 | 600 | 335 | 295 | 265 | 818 | 26-3 | 12-23 | 450 | 250 | 730 | 405 | 355 | 320 | 969 | 30-3 | 12-25 | 550 |
型号 | 公称通径 DN | 尺寸(mm) | L | D | D1 | D2 | H | b-f | Z-Φd | Do | CB/T3942-25P(R) | 15 | 130 | 95 | 65 | 45 | 233 | 16-2 | 4-14 | 120 | 20 | 150 | 105 | 75 | 55 | 275 | 16-2 | 4-14 | 140 | 25 | 160 | 115 | 85 | 65 | 285 | 16-2 | 4-14 | 160 | 32 | 180 | 135 | 100 | 78 | 302 | 18-2 | 4-18 | 180 | 40 | 200 | 145 | 110 | 85 | 355 | 18-3 | 4-18 | 200 | 50 | 230 | 160 | 125 | 100 | 362 | 20-3 | 4-18 | 240 | 65 | 290 | 180 | 145 | 120 | 400 | 22-3 | 8-18 | 280 | 80 | 310 | 195 | 160 | 135 | 430 | 22-3 | 8-18 | 320 | 100 | 350 | 230 | 190 | 160 | 465 | 24-3 | 8-23 | 360 | 125 | 400 | 270 | 220 | 188 | 550 | 28-3 | 8-25 | 400 | 150 | 480 | 300 | 250 | 218 | 700 | 30-3 | 8-25 | 400 | 200 | 600 | 360 | 310 | 278 | 780 | 34-3 | 12-25 | 450 | 250 | 730 | 425 | 370 | 335 | 900 | 36-3 | 12-30 | 550 |
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