主要設(shè)計參數(shù)
公稱壓力：PN1.6~6.4MPa
使用溫度：常溫：-28~180℃ 中溫：-40~450℃
閥體材料：WCB、CF8、CF8M、CF3M
閥桿：2Cr13
回轉(zhuǎn)角度:90°
閥座：PTFE、Ocr17Ni4Cu4Nb
閥芯材料：CF8、CF8M、CF3M
基本誤差：1.5%
死區(qū)：0.5%
樣圖：
公稱通徑DN、額定流量系數(shù)Kv、允許壓差△P見下表：
| DN | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 150 | 200 | 250 | 300 | 350 | 400 |
| Kv | 22 | 36 | 58 | 82 | 145 | 200 | 355 | 798 | 1418 | 2209 | 3185 | 4309 | 5664 |
| △P(MPa) | 14 | 8 | 10 | 9 | 20 | 14 | 8 | 6 | 3.5 | 1.6 | 2.5 | 2 | 1.5 |
連接尺寸表：
| PN16(1.6MPa) | ||||||||
| DN | L | H | D | D1 | D2 | b | f | N-φ |
| 25 | 85 | 425 | 115 | 85 | 65 | 14 | 2 | 4-14 |
| 32 | 100 | 440 | 135 | 100 | 78 | 16 | 2 | 4-18 |
| 40 | 114 | 450 | 145 | 110 | 85 | 16 | 3 | 4-18 |
| 50 | 124 | 464 | 160 | 125 | 100 | 16 | 3 | 4-18 |
| 65 | 165 | 580 | 180 | 145 | 120 | 18 | 3 | 4-18 |
| 80 | 165 | 586 | 195 | 160 | 135 | 20 | 3 | 8-18 |
| 100 | 194 | 596 | 220 | 180 | 155 | 20 | 3 | 8-18 |
| 125 | 210 | 636 | 250 | 210 | 185 | 22 | 3 | 8-18 |
| 150 | 229 | 643 | 280 | 240 | 210 | 24 | 3 | 8 23 |
| 200 | 297 | 820 | 335 | 295 | 265 | 26 | 3 | 12-23 |
| 250 | 320 | 924 | 405 | 355 | 320 | 30 | 3 | 12-25 |
| 300 | 345 | 945 | 460 | 410 | 375 | 30 | 4 | 12-25 |
| 350 | 350 | 1080 | 520 | 470 | 435 | 34 | 4 | 16-25 |
| 400 | 365 | 1140 | 580 | 525 | 485 | 36 | 4 | 16-30 |
| PN64(6.4MPa) | ||||||||
| 25 | 85 | 438 | 135 | 100 | 78 | 22 | 2 | 4-18 |
| 32 | 100 | 454 | 150 | 110 | 82 | 24 | 2 | 4-23 |
| 40 | 114 | 454 | 165 | 125 | 95 | 24 | 3 | 4-23 |
| 50 | 124 | 554 | 175 | 135 | 105 | 26 | 3 | 4-23 |
| 65 | 165 | 570 | 200 | 160 | 130 | 28 | 3 | 8-23 |
| 80 | 165 | 582 | 210 | 170 | 140 | 30 | 3 | 8-23 |
| 100 | 194 | 591 | 250 | 200 | 168 | 32 | 3 | 8-25 |
| 150 | 229 | 647 | 340 | 280 | 240 | 38 | 3 | 8-34 |
| 200 | 297 | 894 | 405 | 345 | 300 | 44 | 3 | 12-34 |
| 250 | 320 | 932 | 470 | 400 | 352 | 48 | 3 | 12-41 |
| 300 | 345 | 952 | 530 | 460 | 412 | 54 | 4 | 16-41 |
主站蜘蛛池模板：