詳細(xì)介紹
一、產(chǎn)品概述:低溫閘閥適用于甲烷、液態(tài)天然氣、已烯、二氧化碳、液氨、液氧、液氮、液氫等低溫介質(zhì)。
二、適用標(biāo)準(zhǔn):
鋼制閘閥,API600/API 6D
鋼制閘閥,ISO 10434/ISO 14313
溫度和壓力,ASME B16.34
結(jié)構(gòu)長(zhǎng)度,ASME B 16.10
端法蘭, ASME B 16.5
對(duì)焊端,ASME B 16.25
試驗(yàn)標(biāo)準(zhǔn),API 598/API 6D
三、設(shè)計(jì)說(shuō)明:
栓接閥蓋
全通型
明桿
剛性或彈性閘板
可更換閥座
鍛造T型頭閥桿
升降式或非升降式手輪
法蘭或?qū)付?/p>
可安裝傘
四、產(chǎn)品特點(diǎn):
1、為防止中腔異常升壓,在閘板的進(jìn)口側(cè)設(shè)置了泄壓孔
2、根據(jù)閥門的工作溫度確定閥蓋的頂部長(zhǎng)度,確保閥桿填料的可靠密封
3、根據(jù)工作溫度合理選用填料,墊片等零件的材料
4、嚴(yán)格控制材料的化學(xué)成份及低溫沖擊韌性等力學(xué)性能指標(biāo)
5、采用多種配管法蘭標(biāo)準(zhǔn)及密封面型式,適用于各種工程需要
五、性能參數(shù):
型號(hào) | DZ40Y-16 | DZ40Y-25 | |
工作壓力(MPa) | 1.6 | 2.5 | |
適用溫度(℃) | LC3≥-101,LCB≥-46,LCC≥-46,1Cr18Ni9Ti≥-196 | ||
材料 | 閥體、閘板、閥蓋、支架 | LC3、LCB、LCC、1Cr18Ni9Ti | |
填料 | 浸四氟乙烯石棉繩 | ||
手輪 | QT450-10 | ||
閥桿螺母 | ZCuA110Fe3 | ||
閥桿 | 1Cr18Ni9Ti | ||
墊片 | 低溫石棉 |
規(guī)格 主要尺寸 Size Main Dimensions
1.6MPa | DN | L | D | D1 | D2 | b | n-Φd | H | D0 |
凸面法蘭 RF DZ40Y-16LCB DZ40Y-16LC1 DZ40Y-16LC2 DZ40Y-16LC3 DZ40Y-16LC4 DZ40Y-16P DZ40Y-16R
| 20 | 150 | 105 | 75 | 55 | 14 | 4-14 | 320 | 140 |
25 | 160 | 115 | 85 | 65 | 14 | 4-14 | 350 | 160 | |
32 | 180 | 135 | 100 | 78 | 16 | 4-18 | 385 | 180 | |
40 | 200 | 145 | 110 | 85 | 16 | 4-18 | 420 | 200 | |
50 | 250 | 160 | 125 | 100 | 16 | 4-18 | 540 | 240 | |
65 | 265 | 180 | 145 | 120 | 18 | 4-18 | 610 | 240 | |
80 | 280 | 195 | 160 | 135 | 20 | 8-18 | 690 | 280 | |
100 | 300 | 215 | 180 | 155 | 20 | 8-18 | 780 | 300 | |
125 | 325 | 245 | 210 | 185 | 22 | 8-18 | 930 | 320 | |
150 | 350 | 280 | 240 | 210 | 24 | 8-23 | 980 | 350 | |
200 | 400 | 335 | 295 | 265 | 26 | 12-23 | 1180 | 400 | |
250 | 450 | 105 | 355 | 320 | 30 | 12-25 | 1390 | 450 | |
300 | 500 | 460 | 410 | 375 | 30 | 12-25 | 1620 | 500 | |
350 | 550 | 520 | 470 | 435 | 34 | 16-25 | 1810 | 500 | |
400 | 600 | 580 | 525 | 485 | 36 | 16-30 | 1970 | 550 | |
2.5MPa | 20 | 150 | 105 | 75 | 55 | 16 | 4-14 | 320 | 140 |
凸面法蘭 RF DZ40Y-25LCB DZ40Y-25LC1 DZ40Y-16LC2 DZ40Y-25LC3 DZ40Y-25LC4 DZ40Y-25P DZ40Y-25R
| 25 | 160 | 115 | 85 | 65 | 16 | 4-14 | 350 | 160 |
32 | 180 | 135 | 100 | 78 | 18 | 4-18 | 385 | 180 | |
40 | 200 | 145 | 110 | 85 | 18 | 4-18 | 420 | 200 | |
50 | 250 | 160 | 125 | 100 | 20 | 4-18 | 540 | 240 | |
65 | 265 | 180 | 145 | 120 | 22 | 8-18 | 610 | 240 | |
80 | 280 | 195 | 160 | 135 | 22 | 8-18 | 690 | 280 | |
100 | 300 | 230 | 190 | 160 | 24 | 8-23 | 780 | 300 | |
125 | 325 | 270 | 220 | 188 | 28 | 8-25 | 930 | 300 | |
150 | 350 | 300 | 250 | 218 | 30 | 8-25 | 980 | 320 | |
200 | 400 | 360 | 310 | 278 | 34 | 12-25 | 1180 | 360 | |
250 | 450 | 425 | 370 | 332 | 36 | 12-30 | 1390 | 400 | |
300 | 500 | 485 | 430 | 390 | 40 | 16-30 | 1620 | 450 | |
350 | 550 | 550 | 490 | 448 | 44 | 16-34 | 1810 | 500 | |
400 | 600 | 610 | 550 | 505 | 48 | 16-34 | 1990 | 560 |
規(guī)格 主要尺寸 Size Main Dimensions
4.0MPa | DN | L | D | D1 | D2 | D6 | b | n-Φd | H | D0 |
20 | 150 | 105 | 75 | 55 | 51 | 16 | 4-14 | 330 | 140 | |
凹凸法蘭 MFM DZ40Y-40LCB DZ40Y-40LC1 DZ40Y-40LC2 DZ40Y-40LC3 DZ40Y-40LC4 DZ40Y-40P DZ40Y-40R | 25 | 160 | 115 | 85 | 65 | 58 | 16 | 4-14 | 360 | 160 |
32 | 180 | 135 | 100 | 78 | 66 | 18 | 4-18 | 440 | 180 | |
40 | 200 | 145 | 110 | 85 | 76 | 18 | 4-18 | 455 | 200 | |
50 | 250 | 160 | 125 | 100 | 88 | 20 | 4-18 | 575 | 240 | |
65 | 280 | 180 | 145 | 120 | 110 | 22 | 8-18 | 635 | 240 | |
80 | 310 | 195 | 160 | 135 | 121 | 22 | 8-18 | 715 | 280 | |
100 | 350 | 230 | 190 | 160 | 150 | 24 | 8-23 | 815 | 300 | |
125 | 400 | 270 | 220 | 188 | 176 | 28 | 8-25 | 965 | 360 | |
150 | 450 | 300 | 250 | 218 | 204 | 30 | 8-25 | 1025 | 400 | |
200 | 550 | 375 | 320 | 282 | 160 | 38 | 12-30 | 1225 | 450 | |
250 | 650 | 445 | 385 | 345 | 313 | 42 | 12-34 | 1440 | 560 | |
300 | 750 | 51 | 450 | 408 | 364 | 46 | 16-34 | 1665 | 640 | |
350 | 850 | 570 | 510 | 456 | 422 | 52 | 16-34 | 188 | 720 | |
400 | 950 | 655 | 585 | 535 | 474 | 58 | 16-41 | 205 | 800 | |
6.4MPa | 20 | 190 | 125 | 90 | 68 | 51 | 20 | 4-18 | 330 | 100 |
凹凸法蘭 MFM DZ40Y-64LCB DZ40Y-64LC1 DZ40Y-64LC2 DZ40Y-64LC3 DZ40Y-64LC4 DZ40Y-64P DZ40Y-64R | 25 | 210 | 135 | 100 | 78 | 58 | 22 | 4-18 | 360 | 180 |
32 | 230 | 150 | 110 | 82 | 66 | 24 | 4-23 | 410 | 180 | |
40 | 240 | 165 | 125 | 95 | 76 | 24 | 4-23 | 480 | 200 | |
50 | 250 | 175 | 135 | 105 | 88 | 26 | 4-23 | 585 | 200 | |
65 | 280 | 200 | 160 | 130 | 110 | 28 | 8-23 | 690 | 250 | |
80 | 310 | 210 | 170 | 140 | 121 | 30 | 8-23 | 745 | 300 | |
100 | 350 | 250 | 200 | 168 | 150 | 32 | 8-25 | 885 | 300 | |
125 | 400 | 295 | 240 | 202 | 176 | 36 | 8-30 | 985 | 350 | |
150 | 450 | 340 | 280 | 240 | 204 | 38 | 8-34 | 1050 | 350 | |
200 | 550 | 4005 | 345 | 300 | 260 | 44 | 12-34 | 1240 | 400 | |
250 | 650 | 470 | 400 | 352 | 313 | 48 | 12-41 | 1460 | 560 | |
300 | 750 | 530 | 460 | 412 | 364 | 54 | 16-41 | 1690 | 640 | |
10.0MPa | 25 | 210 | 135 | 100 | 78 | 58 | 24 | 4-18 | 365 | 200 |
凹凸法蘭 MFM DZ40Y-100LCB DZ40Y-100LC1 DZ40Y-100LC2 DZ40Y-100LC3 DZ40Y-100LC4 DZ40Y-100P DZ40Y-100R | 32 | 230 | 150 | 110 | 82 | 66 | 24 | 4-23 | 420 | 200 |
50 | 250 | 195 | 145 | 112 | 88 | 28 | 4-25 | 630 | 240 | |
65 | 280 | 220 | 170 | 138 | 110 | 32 | 8-25 | 700 | 240 | |
80 | 310 | 230 | 180 | 148 | 121 | 34 | 8-25 | 760 | 280 | |
100 | 350 | 265 | 210 | 172 | 150 | 38 | 8-30 | 900 | 280 |