截止閥的啟閉件是塞形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。閥桿的運動形式,有升降桿式(閥桿升降,手輪不升降),也有升降旋轉(zhuǎn)桿式(手輪與閥桿一起旋轉(zhuǎn)升降,螺母設(shè)在閥體上)。截止閥只適用于全開和全關(guān),不允許作調(diào)節(jié)和節(jié)流。
該閥門工作介質(zhì)為水,蒸汽或空氣的管路上,作為啟閉裝置;尤其適用于火電廠汽機冷凝和真空負(fù)壓系統(tǒng),起真空隔離密封作用.
主要尺寸及重量
公稱通徑DN(mm) | 尺寸(mm) | 重量(kg) | ||||
L | D1 | D2 | H | D0 | ||
DS/J61H-25(40) | ||||||
10 | 130 | 10 | 28 | 272 | 120 | 5 |
15 | 130 | 15 | 41 | 272 | 120 | 6 |
20 | 150 | 20 | 44 | 280 | 120 | 6 |
25 | 160 | 25 | 52 | 332 | 160 | 8 |
32 | 190 | 32 | 64 | 342 | 160 | 10 |
40 | 200 | 40 | 75 | 395 | 200 | 16 |
50 | 230 | 50 | 75 | 431 | 240 | 23 |
65 | 290 | 65 | 103 | 457 | 280 | 32 |
80 | 310 | 80 | 116 | 505 | 320 | 43 |
100 | 350 | 100 | 140 | 549 | 360 | 58 |
125 | 400 | 125 | 171 | 621 | 400 | 94 |
150 | 480 | 150 | 198 | 705 | 400 | 119 |
200 | 600 | 200 | 254 | 828 | 400 | 165 |
主要尺寸及重量
公稱通徑DN(mm) | 尺寸(mm) | 重量(kg) | |||||||
L | D | D1 | D2 | b | Z-φd | H | D0 | ||
DS/J41H-25 | |||||||||
10 | 130 | 90 | 60 | 40 | 16 | 4-14 | 272 | 120 | 6 |
15 | 130 | 95 | 65 | 45 | 16 | 4-14 | 272 | 120 | 6 |
20 | 150 | 105 | 75 | 55 | 16 | 4-14 | 280 | 120 | 6 |
25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 332 | 160 | 10 |
32 | 190 | 135 | 100 | 78 | 18 | 4-18 | 342 | 160 | 11 |
40 | 200 | 145 | 110 | 85 | 18 | 4-18 | 395 | 200 | 17 |
50 | 230 | 160 | 125 | 100 | 20 | 4-18 | 431 | 240 | 24 |
65 | 290 | 180 | 145 | 120 | 22 | 8-18 | 457 | 280 | 33 |
80 | 310 | 195 | 160 | 135 | 22 | 8-18 | 505 | 320 | 47 |
100 | 350 | 230 | 190 | 160 | 24 | 8-23 | 549 | 360 | 62 |
125 | 400 | 270 | 220 | 188 | 28 | 8-25 | 621 | 400 | 96 |
150 | 480 | 300 | 250 | 218 | 30 | 8-25 | 703 | 400 | 128 |
200 | 600 | 360 | 310 | 278 | 34 | 12-25 | 828 | 400 | 168 |
公稱通徑DN(mm) | 尺寸(mm) | 重量(kg) | |||||||||
L | D | D1 | D2 | b | Z-φd | D6 | f | H | D0 | ||
DS/J41H-40 | |||||||||||
10 | 130 | 90 | 60 | 40 | 16 | 4-14 | 35 | 4 | 272 | 120 | 6 |
15 | 130 | 95 | 65 | 45 | 16 | 4-14 | 40 | 4 | 272 | 120 | 7 |
20 | 150 | 105 | 75 | 55 | 16 | 4-14 | 51 | 4 | 280 | 120 | 8 |
25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 58 | 4 | 332 | 160 | 10 |
32 | 190 | 135 | 100 | 78 | 18 | 4-18 | 66 | 4 | 342 | 160 | 11 |
40 | 200 | 145 | 110 | 85 | 18 | 4-18 | 76 | 4 | 395 | 200 | 17 |
50 | 230 | 160 | 125 | 100 | 20 | 4-18 | 88 | 4 | 437 | 246 | 25 |
65 | 290 | 180 | 145 | 120 | 22 | 8-18 | 110 | 4 | 457 | 280 | 34 |
80 | 310 | 195 | 160 | 135 | 22 | 8-18 | 121 | 4 | 505 | 320 | 47 |
100 | 350 | 230 | 190 | 160 | 24 | 8-23 | 150 | 4.5 | 549 | 360 | 62 |
125 | 400 | 270 | 220 | 188 | 28 | 8-25 | 176 | 4.5 | 621 | 400 | 96 |
150 | 480 | 300 | 250 | 218 | 30 | 8-25 | 204 | 4.5 | 705 | 400 | 128 |