藍(lán)宇儀表
:趙向陽(yáng)
:
型式 | 直徑式鑄造球閥 | |||||||||||||
公稱通徑DN | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
閥座直徑 | 20 | 26 | 33 | 40 | 53 | 66 | 86 | 104 | 128 | 170 | 212 | 255 | 300 | 340 |
額定流量系數(shù)KV | 25 | 36 | 63 | 100 | 184 | 280 | 400 | 600 | 950 | 1540 | 2500 | 3900 | 6150 | 9800 |
公稱壓力PN | PN1.6、6.4Mpa | |||||||||||||
泄漏量 | 軟密封:≤1.8×10-7×ΔPXDN.1/h(試驗(yàn)介質(zhì)為液體:式中ΔP為壓差) 硬密封:≤10-4×閥額定容量.1/h(閥額定容量的計(jì)算見附表) | |||||||||||||
氣源壓力 | 0.4~0.6Mpa | |||||||||||||
連接形式 | 對(duì)夾式、法蘭式、管道法蘭按JB79-59標(biāo)準(zhǔn) | |||||||||||||
適用溫度 | 軟密封 -40~+180℃,硬密封 -40~+450℃ | |||||||||||||
球芯轉(zhuǎn)角 | 90° | |||||||||||||
流量特性 | 近似等百分比(典型曲線圖見附錄) | |||||||||||||
閥體材料 | A105、F321、F316、WCB、ZG1Cr18NiTi、ZG0Cr18Ni12Mo2Ti、ZG00Cr17Ni14Mo2 | |||||||||||||
球芯材料 | 部分帶球帶有V形缺口 | |||||||||||||
閥體座材料 | 聚四氟乙稀、不銹鋼司太立立硬質(zhì)合金 | |||||||||||||
基本誤差 | ≤全行程的±2%(帶定位器) | |||||||||||||
回差 | ≤全行程的2.0%(帶定位器) | |||||||||||||
死區(qū) | ≤全行程的0.8%(帶定位器) | |||||||||||||
額客流量系靈敏誤差% | ≤±10 |
公稱壓力PN(Mpa) | 公稱通徑DN(mm) | 尺寸(mm) | |||||||||
L | 對(duì)夾連接 | 法蘭連接 | H | ||||||||
D | D | D1 | D2 | D6 | b | z-d | |||||
1.6 | 25 | 102 | 64 | 115 | 85 | 65 | - | 14/16 | 4-14 | 233 | |
40 | 114 | 82 | 145/150 | 110 | 85/84 | - | 16/18 | 4-18 | 280 | ||
50 | 124 | 100 | 160/165 | 125 | 100/99 | - | 16/20 | 4-18 | 362 | ||
65 | 145 | 118 | 180/185 | 145 | 120/118 | - | 18/20 | 4-18 | 377 | ||
80 | 165 | 130 | 195/200 | 160 | 135/132 | - | 20 | 8-18 | 410 | ||
100 | 194 | 155 | 215/220 | 180 | 155/156 | - | 20/22 | 8-18 | 423 | ||
125 | 210 | 185 | 245/250 | 210 | 185/184 | - | 22 | 8-18 | 436 | ||
150 | 229 | 216 | 280/285 | 240 | 210/211 | - | 24 | 8-23/8-22 | 653 | ||
200 | 243 | 264 | 335/340 | 295 | 265/266 | - | 26/24 | 12-23/12-22 | 703 | ||
250 | 297 | 328 | 405 | 355 | 320/319 | - | 30/26 | 12-25/12-26 | 787 | ||
300 | 338 | 373 | 460 | 410 | 375/370 | - | 30/28 | 12-25/12-26 | 827 | ||
2.5 | 25 | 102 | 64 | 115 | 85 | 65 | - | 16 | 4-14 | 233 | |
40 | 114 | 82 | 145/150 | 110 | 85/84 | - | 18 | 4-18 | 280 | ||
50 | 124 | 100 | 160/165 | 125 | 100/99 | - | 20 | 4-18 | 362 | ||
65 | 145 | 118 | 180/185 | 145 | 120/118 | - | 22 | 8-18 | 377 | ||
80 | 165 | 130 | 195/200 | 160 | 135/132 | - | 22/24 | 8-18 | 410 | ||
100 | 194 | 155 | 230/235 | 190 | 160/165 | - | 24 | 8-23/8-22 | 423 | ||
125 | 210 | 185 | 270 | 220 | 188/184 | - | 28/26 | 8-25/8-26 | 436 | ||
150 | 229 | 216 | 300 | 250 | 218/211 | - | 30/28 | 8-25/8-26 | 653 | ||
200 | 243 | 264 | 360 | 310 | 278/274 | - | 34/30 | 12-25/12-26 | 703 | ||
250 | 297 | 328 | 425 | 370 | 332/330 | - | 36/32 | 12-30 | 787 | ||
300 | 339 | 373 | 485 | 430 | 390/389 | - | 40/34 | 16-30 | 827 | ||
公稱壓力PN(Mpa) | 公稱通徑DN(mm) | 尺寸(mm) | |||||||||
L | 對(duì)夾連接 | 法蘭連接 | H | ||||||||
D | D | D1 | D2 | D6 | b | z-d | |||||
1.6 | 25 | 102 | 68 | 115 | 85 | 65 | 58 | 16 | 4-14 | 262 | |
40 | 114 | 88 | 145/150 | 110 | 85/84 | 76 | 18 | 4-18 | 280 | ||
50 | 124 | 102 | 160/165 | 125 | 100/99 | 88 | 20 | 4-18 | 362 | ||
65 | 145 | 122 | 180/185 | 145 | 120/118 | 110 | 22 | 8-18 | 400 | ||
80 | 165 | 138 | 195/200 | 160 | 135/132 | 121 | 22/24 | 8-18 | 403 | ||
100 | 194 | 162 | 230/235 | 190 | 160/156 | 150 | 24 | 8-23/8-22 | 616 | ||
125 | 210 | 188 | 270 | 220 | 188/184 | 176 | 28/26 | 8-25/8-26 | 643 | ||
150 | 229 | 218 | 300 | 250 | 218/211 | 204 | 30/28 | 8-25/8-26 | 685 | ||
200 | 243 | 285 | 375 | 320 | 282/284 | 260 | 38/34 | 12-30 | 747 | ||
250 | 297 | 345 | 445/450 | 385 | 345 | 313 | 42/38 | 12-34/12-33 | 933 | ||
300 | 338 | 410 | 510/515 | 450 | 408/409 | 364 | 46/42 | 16-34/16-33 | 980 | ||
2.5 | 25 | 102 | 68 | 135/140 | 100 | 78 | 58 | 22 | 4-18 | 262 | |
40 | 114 | 88 | 165/170 | 125 | 95 | 76 | 24 | 4-23 | 280 | ||
50 | 124 | 102 | 175/180 | 135 | 105 | 88 | 26 | 4-23 | 362 | ||
65 | 145 | 122 | 200/205 | 160 | 130 | 110 | 28 | 8-23 | 400 | ||
80 | 165 | 138 | 210/215 | 170 | 140 | 121 | 30 | 8-23 | 603 | ||
100 | 194 | 162 | 250 | 200 | 168 | 150 | 32 | 8-25 | 616 | ||
125 | 210 | 188 | 395 | 240 | 202 | 176 | 36 | 8-30 | 643 | ||
150 | 229 | 218 | 340/345 | 280 | 240 | 204 | 38 | 8-34 | 685 | ||
200 | 243 | 285 | 405 | 345 | 300 | 260 | 44 | 12-34/12-26 | 747 | ||
250 | 297 | 345 | 470 | 400 | 352 | 313 | 48 | 12-41/12-36 | 933 | ||
300 | 338 | 410 | 530 | 460 | 412 | 364 | 54 | 16-41/16-36 | 980 | ||