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球(qiu)閥系(xi)列
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軌(gui)道球(qiu)閥GQ47H

傳統(tong)的球(qiu)閥,無(wu)論是(shi)浮動(dong)式還(hai)是固(gu)定式(shi),球體(ti)與閥(fa)座始(shi)☠️終接(jie)觸,開(kai)關扭(niu)矩大(da),密封(feng)面容(rong)易損(sun)傷,軌(gui)道球(qiu)閥在(zai)啟閉(bi)時,球(qiu)體先(xian)偏轉(zhuan)-δ角,然(ran)後轉(zhuan)動,開(kai)關全(quan)過程(cheng)😌中球(qiu)體與(yu)閥座(zuo)脫離(li),故閥(fa)座不(bu)會被(bei)擦傷(shang),并且(qie)啟閉(bi)扭矩(ju)小。
軌(gui)道球(qiu)閥主(zhu)要零(ling)件材(cai)料
零(ling)件名(ming)稱 | 材(cai)料 | |||
閥(fa)體 | WCB | ZG1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥(fa)蓋 | WCB | ZG1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥(fa)杆 | 2Cr13 | 38CrMoA1 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2aTi |
球(qiu)體 | WCB+HCr | 1Cr5Mo | 18-8CrNi | 18-12CrNiMo |
閥(fa)座 | PTFE/13Cr/CrNi SS+STELLITE | |||
螺(luo)柱 | B7/35CrMoA | 1Cr17Ni2 | ||
螺(luo)母 | 2H/45 | 2Cr13 | ||
填(tian)料 | PTFE/增(zeng)強柔(rou)性石(shi)墨 | |||
1、設(she)計、制(zhi)造按(an)GB/12237
2、結構(gou)長度(du)按QB/ZMV 107
3、連(lian)接法(fa)蘭JB/T79.1~79.4 GB/T9113.1~9113.4
4、閥(fa)門檢(jian)查和(he)試驗(yan)按GB/13927
GDQ47型(xing)PN1.6~2.5MPa主要(yao)外形(xing)尺寸(cun)
公稱(cheng)通徑(jing)DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
L | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 | 1100 | 1200 | 1250 | 1450 |
H1 | 220 | 230 | 240 | 260 | 307 | 360 | 410 | 483 | 512 | 543 | 581 | 617 | 672 | 723 | 758 | 791 | 828 | 870 | 940 |
H2 | 450 | 486 | 525 | 550 | 610 | 640 | 640 | 675 | 710 | 740 | 820 | 905 | 955 | 990 | 1050 | 1100 | 1270 | 1450 |
|
H3 | 415 | 455 | 500 | 535 | 580 | 605 | 605 | 620 | 640 | 685 | 735 | 850 | 900 | 920 | 1100 | 1250 | 1340 | 1555 |
|
H4 | 370 | 400 | 440 | 460 | 480 | 500 | 550 | 600 | 650 | 713 | 760 | 820 | 875 | 930 | 962 | 1020 | 1285 | 1625 |
|
GDQ47型PN4.0MPa主(zhu)要外(wai)形尺(chi)寸
公(gong)稱通(tong)徑DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 180 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | 600 |
L | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 | 1100 | 1200 | 1250 | 1450 |
H1 | 230 | 240 | 260 | 280 | 320 | 360 | 436 | 492 | 527 | 607 | 649 | 701 | 750 | 750 | 790 | 832 | 875 | 910 | 980 |
H2 | 486 | 525 | 550 | 610 | 640 | 640 | 675 | 710 | 740 | 820 | 905 | 955 | 990 | 105 | 1100 | 1270 | 1450 |
|
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H3 | 455 | 500 | 535 | 580 | 605 | 605 | 620 | 640 | 685 | 735 | 850 | 900 | 920 | 1100 | 1250 | 1340 | 1555 |
|
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H4 | 400 | 440 | 460 | 480 | 500 | 550 | 600 | 650 | 713 | 777 | 835 | 890 | 950 | 980 | 1040 | 1305 | 1650 |
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上(shang)一篇(pian):蝸輪(lun)上裝(zhuang)式偏(pian)心球(qiu)閥
下(xia)一篇(pian):螺紋(wen)焊接(jie)球閥(fa)





