傳統(tǒng)的球閥,無(wú)論是浮動(dòng)式或固定式,球體與閥座始終接觸,開(kāi)關(guān)扭矩大,密封面容易損傷,軌道球輪著啟閉時(shí),球體先偏轉(zhuǎn)-δ角,然后轉(zhuǎn)動(dòng),開(kāi)關(guān)全過(guò)程中球體與閥座脫離,故閥座不會(huì)被擦傷,并且啟閉扭矩小。
主要零件材料
零件 名稱(chēng) | 材料 | |||
閥體 | WCB | ZG1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥蓋 | WCB | ZG1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥桿 | 2Cr13 | 38CrMoA1 | 1Cr18Ni9Ti | 1Cr18NiMo2aTi |
球體 | WCB+HCr | 1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥座 | PTFE/13Cr/CrNi SS+SLITE | |||
螺柱 | B7/35CrMoA | 1Cr17Ni2 | ||
螺母 | 2H/45 | 2Cr13 | ||
填料 | PTFE/增強(qiáng)柔性石墨 |
公稱(chēng)通經(jīng) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
L | 124 | 145 | 165 | 194 | 210 | 229 | 243 | 297 | 338 | 520 | 600 | |
H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
手動(dòng) | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
F | - | - | - | - | - | - | 350 | 350 | 400 | 400 | 400 | |
W | 230 | 40 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
Wt(Kg | 12 | 16 | 22 | 35 | 58 | 74 | 205 | 322 | 460 | 864 | 1600 | |
電動(dòng) | H2 | - | - | - | - | - | 554 | 600 | 652 | 760 | 830 | 940 |
L1 | - | - | - | - | - | 235 | 235 | 235 | 259 | 400 | 410 | |
氣動(dòng) | H3 | 274 | 379 | 389 | 479 | 552 | 736 | 736 | 926 | 1059 | 1393 | 1583 |
L2 | 270 | 405 | 405 | 576 | 576 | 776 | 776 | 776 | 1060 | 1360 | 1360 |
公稱(chēng)通經(jīng) | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 400 | 500 | |
L | 124 | 145 | 165 | 194 | 210 | 229 | 243 | 297 | 338 | 520 | 600 | |
H | 102 | 114 | 127 | 152 | 184 | 219 | 273 | 360 | 395 | 470 | 580 | |
手動(dòng) | H1 | 107 | 125 | 152 | 178 | 300 | 330 | 398 | 495 | 580 | 670 | 840 |
E | - | - | - | - | - | - | 116 | 116 | 171 | 257 | 257 | |
F | - | - | - | - | - | - | 350 | 350 | 400 | 400 | 400 | |
W | 230 | 40 | 400 | 650 | 1050 | 1050 | 600 | 600 | 800 | 800 | 800 | |
Wt(Kg | 15 | 24 | 30 | 55 | 87 | 118 | 255 | 370 | 533 | 1030 | 2100 | |
電動(dòng) | H2 | - | - | - | - | - | 235 | 235 | 400 | 400 | 410 | 420 |
L1 | - | - | - | - | - | 235 | 235 | 235 | 259 | 400 | 410 | |
氣動(dòng) | H3 | 340 | 379 | 452 | 479 | 646 | 666 | 814 | 1002 | 1059 | 1205 | 1295 |
L2 | 405 | 405 | 574 | 576 | 756 | 756 | 1060 | 1060 | 1060 | 1360 | 2840 |