產(chǎn)品特點
低溫閘閥有二種閥蓋設(shè)計形式。其中一種是螺栓式閥蓋,按這種設(shè)計的閥門,其閥體與閥蓋用螺栓螺母連接,纏繞式墊片(316夾柔性石墨制造)??蛻粲刑厥庖髸r也可采用金屬環(huán)連接。第二種設(shè)計形式是焊接式閥蓋,按這種設(shè)計形式的閥門,其閥體與閥蓋用螺紋連接,全焊密封。該閥主要用于液氧(液氮、液氬)等低溫液態(tài)介質(zhì)系統(tǒng)上,具有開關(guān)靈活、密封可靠、耐壓等特點。
主要連接尺寸
型號 | DN | L | D | D1 | D2 | b | n-Φd | H | D0 |
1.6MPa 凸面法蘭 RF DZ41(0)Y-16LCB DZ41(0)Y-16LC1 DZ41(0)Y-16LC2 DZ41(0)Y-16LC3 DZ41(0)Y-16LC4 DZ41(0)Y-16P DZ41(0)Y-16R | 20 | 150 | 105 | 75 | 55 | 14 | 4-Φ14 | 320 | 140 |
25 | 160 | 115 | 85 | 65 | 14 | 4-Φ14 | 350 | 160 | |
32 | 180 | 135 | 100 | 78 | 16 | 4-Φ18 | 385 | 180 | |
40 | 200 | 145 | 110 | 85 | 16 | 4-Φ18 | 420 | 220 | |
50 | 250 | 160 | 125 | 100 | 16 | 4-Φ18 | 540 | 240 | |
65 | 265 | 180 | 145 | 120 | 18 | 4-Φ18 | 610 | 240 | |
80 | 280 | 195 | 160 | 135 | 20 | 8-Φ18 | 690 | 280 | |
100 | 300 | 215 | 180 | 155 | 20 | 8-Φ18 | 780 | 300 | |
125 | 325 | 245 | 210 | 185 | 22 | 8-Φ18 | 930 | 320 | |
150 | 350 | 280 | 240 | 210 | 24 | 8-Φ23 | 980 | 350 | |
200 | 400 | 335 | 295 | 265 | 26 | 12-Φ23 | 1180 | 400 | |
250 | 450 | 105 | 355 | 320 | 30 | 12-Φ25 | 1390 | 450 | |
300 | 500 | 460 | 410 | 375 | 30 | 12-Φ25 | 1620 | 500 | |
350 | 550 | 520 | 470 | 435 | 34 | 16-Φ25 | 1810 | 500 | |
400 | 600 | 580 | 525 | 485 | 36 | 16-Φ30 | 1970 | 550 | |
2.5MPa 凸面法蘭 RF DZ41(0)Y-25LCB DZ41(0)Y-25LC1 DZ41(0)Y-25LC2 DZ41(0)Y-25LC3 DZ41(0)Y-25LC4 DZ41(0)Y-25P DZ41(0)Y-25R | 20 | 150 | 105 | 75 | 55 | 16 | 4-Φ14 | 320 | 140 |
25 | 160 | 115 | 85 | 65 | 16 | 4-Φ14 | 350 | 160 | |
32 | 180 | 135 | 100 | 78 | 18 | 4-Φ18 | 385 | 180 | |
40 | 200 | 145 | 110 | 85 | 18 | 4-Φ18 | 420 | 200 | |
50 | 250 | 160 | 125 | 100 | 20 | 4-Φ18 | 540 | 240 | |
65 | 265 | 180 | 145 | 120 | 22 | 8-Φ18 | 510 | 240 | |
80 | 280 | 195 | 160 | 135 | 22 | 8-Φ18 | 690 | 280 | |
100 | 300 | 230 | 190 | 160 | 24 | 8-Φ23 | 780 | 300 | |
125 | 325 | 270 | 220 | 188 | 28 | 8-Φ25 | 930 | 300 | |
150 | 350 | 300 | 250 | 218 | 30 | 8-Φ25 | 980 | 320 | |
200 | 400 | 360 | 310 | 278 | 34 | 12-Φ25 | 1180 | 360 | |
250 | 450 | 425 | 370 | 332 | 36 | 12-Φ30 | 1390 | 400 | |
300 | 500 | 485 | 430 | 390 | 40 | 16-Φ30 | 1620 | 450 | |
350 | 550 | 550 | 490 | 448 | 44 | 16-Φ34 | 1810 | 500 | |
400 | 600 | 610 | 550 | 505 | 48 | 16-Φ34 | 1990 | 560 |