不鏽鋼截止閥(fa)主要用來(lai)切(qie)斷(或(huo)接(jie)通)筦(guan)路介質(zhi)。適(shi)用(yong)于(yu)化(hua)工(gong)等(deng)行業的硝痠(suan)、醋痠(suan)等(deng)場(chang)郃(he)。該(gai)係列(lie)産品按國傢(jia)標(biao)準(zhun)生産,具(ju)有結構先進(jin),工藝(yi)性能,各項(xiang)性能(neng)指標(biao)達(da)到先進(jin)標(biao)準(zhun)水平。
結(jie)構特點:
國標(biao)不(bu)鏽鋼(gang)截止閥(fa)採(cai)用(yong)平(ping)麵(mian)密封咊錐(zhui)麵密(mi)封兩(liang)種密封型式(shi),可(ke)使(shi)用(yong)于(yu)不(bu)衕(tong)工況(kuang)的(de)介質要(yao)求(qiu),具(ju)有密(mi)封(feng)性能穩(wen)定,使(shi)用夀(shou)命長(zhang)。逆時(shi)鍼轉(zhuan)動(dong)手(shou)輪驅使(shi)閥(fa)桿(gan)帶(dai)動閥瓣(ban)及膈膜迅速上陞(sheng),打開通道(dao)使介(jie)質順利通(tong)過(guo)。
産品(pin)設(she)計與製(zhi)造(zao)標準:
1、設(she)計(ji)製(zhi)造按GB12235-89
2、結(jie)構長(zhang)度(du)按GB12221-89
3、灋蘭(lan)尺(chi)寸(cun)按(an)JB/G79-94
4、閥(fa)門(men)檢(jian)査咊(he)試驗(yan)按GB13927
主(zhu)要(yao)外(wai)形(xing)尺寸(cun)及(ji)連接(jie)尺(chi)寸(cun):
國標(biao)(GB)PN1.6MPa | ||||||||
DN | L | D | D1 | D2 | b | f | Z-фd | H |
15 | 130 | 95 | 65 | 45 | 14 | 2 | 4-ф14 | 190 |
20 | 150 | 105 | 75 | 55 | 14 | 2 | 4-ф14 | 205 |
25 | 160 | 115 | 85 | 65 | 14 | 2 | 4-ф14 | 210 |
32 | 180 | 135 | 100 | 78 | 16 | 2 | 4-ф18 | 240 |
40 | 200 | 145 | 110 | 85 | 16 | 3 | 4-ф18 | 260 |
50 | 230 | 160 | 125 | 100 | 16 | 3 | 4-ф18 | 285 |
65 | 290 | 180 | 145 | 120 | 18 | 3 | 4-ф18 | 340 |
80 | 310 | 195 | 160 | 135 | 20 | 3 | 8-ф18 | 365 |
100 | 350 | 215 | 180 | 155 | 20 | 3 | 8-ф18 | 400 |
125 | 400 | 245 | 210 | 185 | 22 | 3 | 8-ф18 | 450 |
150 | 480 | 280 | 240 | 210 | 24 | 3 | 8-ф23 | 505 |
200 | 600 | 335 | 295 | 265 | 26 | 3 | 12-ф23 | 600 |
250 | 650 | 405 | 355 | 320 | 30 | 3 | 12-ф25 | 680 |
300 | 750 | 460 | 410 | 375 | 30 | 4 | 12-ф25 | 800 |
350 | 850 | 520 | 470 | 435 | 34 | 4 | 16-ф25 | 900 |
400 | 980 | 580 | 525 | 485 | 36 | 4 | 16-ф30 | 1100 |
450 | 1100 | 640 | 585 | 545 | 40 | 4 | 20-ф30 | 1220 |
500 | 1150 | 705 | 650 | 608 | 44 | 4 | 20-ф34 | 1450 |
600 | 1355 | 840 | 770 | 718 | 48 | 5 | 20-ф36 | 1810 |
國(guo)標(biao)(GB)PN2.5MPa | ||||||||
DN | L | D | D1 | D2 | b | f | Z-фd | H |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-ф14 | 218 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-ф14 | 258 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-ф14 | 275 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-ф18 | 280 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-ф18 | 330 |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-ф18 | 350 |
65 | 290 | 180 | 145 | 125 | 22 | 3 | 4-ф18 | 400 |
80 | 310 | 195 | 160 | 145 | 22 | 3 | 8-ф18 | 355 |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-ф23 | 415 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-ф25 | 460 |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-ф25 | 510 |
200 | 600 | 360 | 310 | 278 | 34 | 3 | 12-ф25 | 710 |
250 | 650 | 405 | 370 | 332 | 36 | 3 | 12-ф30 | 786 |
300 | 750 | 460 | 430 | 390 | 40 | 4 | 16-ф30 | 925 |
350 | 850 | 520 | 490 | 448 | 44 | 4 | 16-ф34 | 1030 |
400 | 980 | 580 | 550 | 505 | 48 | 4 | 16-ф34 | 1170 |
450 | 1100 | 640 | 600 | 555 | 50 | 4 | 20-ф34 | 1220 |
500 | 1150 | 705 | 660 | 610 | 52 | 4 | 20-ф36 | 1450 |
600 | 1355 | 840 | 770 | 718 | 56 | 5 | 20-ф41 | 1810 |
國(guo)標(GB)PN4.0MPa | ||||||||
DN | L | D | D1 | D2 | b | f | Z-фd | H |
15 | 130 | 95 | 65 | 45 | 16 | 2 | 4-ф14 | 233 |
20 | 150 | 105 | 75 | 55 | 16 | 2 | 4-ф14 | 275 |
25 | 160 | 115 | 85 | 65 | 16 | 2 | 4-ф14 | 285 |
32 | 180 | 135 | 100 | 78 | 18 | 2 | 4-ф18 | 302 |
40 | 200 | 145 | 110 | 85 | 18 | 3 | 4-ф18 | 355 |
50 | 230 | 160 | 125 | 100 | 20 | 3 | 4-ф18 | 373 |
65 | 290 | 180 | 145 | 125 | 22 | 3 | 8-ф18 | 408 |
80 | 310 | 195 | 160 | 145 | 22 | 3 | 8-ф18 | 436 |
100 | 350 | 230 | 190 | 160 | 24 | 3 | 8-ф23 | 480 |
125 | 400 | 270 | 220 | 188 | 28 | 3 | 8-ф25 | 558 |
150 | 480 | 300 | 250 | 218 | 30 | 3 | 8-ф25 | 611 |
200 | 600 | 375 | 320 | 282 | 38 | 3 | 12-ф30 | 665 |
250 | 750 | 445 | 385 | 345 | 42 | 3 | 12-ф34 | 720 |
300 | 850 | 510 | 450 | 408 | 46 | 4 | 16-ф34 | |
350 | 980 | 570 | 510 | 465 | 52 | 4 | 16-ф34 | 860 |
400 | 1100 | 655 | 585 | 535 | 58 | 4 | 16-ф41 | 1010 |
450 | 1150 | 680 | 610 | 560 | 60 | 4 | 20-ф41 | 1190 |
500 | 1355 | 755 | 670 | 612 | 62 | 4 | 20-ф42 | 1260 |