NKJ61H/Y型真空截止阀适用于工作温度≤425℃和≤550℃,工作介质为水、蒸汽或空气的管路上,作为启闭装置;尤其适用于火电厂汽机冷凝和真空负压系统,起真空隔离密封作用。 【 NKJ61H/Y型真空截止阀主要尺寸及重量 】 公称通径 DN/mm | 公称压力 PN/MPa | 主要外形尺寸和连接尺寸/mm | L | H | D | D0 | D1 | L1 | α | W | 1O | 4.0 | 130 | 245 | 36 | 11 | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 16 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 21 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 26 | 34.5 | 12 | - | 200 | 32 | 180 | 285 | 48 | 34 | - | - | 37 o 30' | 200 | 40 | 200 | 320 | 55 | 40 | - | - | 37 o 30' | 240 | 50 | 230 | 365 | 64 | 48 | - | - | 37 o 30' | 320 | 65 | 290 | 41O | 82 | 66 | - | - | 37 o 30' | 300 | 80 | 31O | 430 | 95 | 78 | - | - | 37 o 30' | 300 | 100 | 350 | 470 | 117 | 1OO | - | - | 37 o 30' | 350 | 125 | 400 | 500 | 143 | 126 | - | - | 37 o 30' | 350 | 150 | 480 | 533 | 167 | 150 | - | - | 37 o 30' | 400 | 1O | 6.4 | 130 | 245 | 36 | 1O | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 15 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | - | 200 | 32 | 180 | 280 | 48 | 33 | - | - | 37 o 30' | 200 | 40 | 200 | 320 | 55 | 39 | - | - | 37 o 30' | 240 | 50 | 230 | 365 | 64 | 48 | - | - | 37 o 30' | 320 | 65 | 290 | 41O | 82 | 65 | - | - | 37 o 30' | 320 | 80 | 31O | 430 | 95 | 76 | - | - | 37 o 30' | 360 | 100 | 350 | 470 | 117 | 98 | - | - | 37 o 30' | 400 | 125 | 480 | 500 | 143 | 123 | - | - | 37 o 30' | 400 | 150 | 480 | 533 | 167 | 148 | - | - | 37 o 30' | 500 | 1O | 10.O | 130 | 245 | 36 | 1O | 18.4 | 1O | - | 120 | 15 | 130 | 245 | 36 | 14 | 22.5 | 1O | - | 120 | 20 | 150 | 265 | 44 | 20 | 28.5 | 11 | - | 160 | 25 | 160 | 270 | 48 | 25 | 34.5 | 12 | - | 200 | 32 | 180 | 285 | 48 | 32 | - | - | 37 o 30' | 200 | 40 | 200 | 320 | 55 | 38 | - | - | 37 o 30' | 240 | 50 | 230 | 355 | 64 | 48 | - | - | 37 o 30' | 320 | 65 | 290 | 41O | 82 | 63 | - | - | 37 o 30' | 320 | 80 | 31O | 430 | 95 | 74 | - | - | 37 o 30' | 360 | 1OO | 350 | 470 | 117 | 97 | - | - | 37 o 30' | 400 | 125 | 400 | 500 | 143 | 123 | - | - | 37 o 30' | 400 | 150 | 480 | 533 | 167 | 148 | - | - | 37 o 30' | 500 |
| |