国标闸阀
产品简介
详细信息
楔式闸阀产品概述:
闸阀是作为截断和接通流体使用,在全开时整个流通直通,此时介质运行的压力损失小。闸阀通常适用于不需要经常启闭,而且保持闸板全开或全闭的工况。不适用于作为调节或节流使用。闸阀广泛适用于石油化工,火力发电厂等油品、水蒸气管路上作接通或截断管路中介质的启闭装置。
产品特点:
1、结构紧凑、设计合理、阀门刚性好、通道流畅,流量系数小
2、密封面采用不锈钢和硬质合金,使用寿命长
3、采用柔性石墨填料、密封可靠,操作轻便灵活
4、驱动方式为手动、气动、电动、齿轮传动
5、结构形式为弹性楔式单闸板、刚性楔式单闸板双闸板型式
闸阀执行标准:
设计规范:GB/T 12234-2007
结构长度:GB/T 12221-2005
连接法兰:HG/T20592-2009
试验与检验:GB/T13927-2008
国标法兰闸阀 | ||||||||||||
主要尺寸 Dimensions of Flanged End | ||||||||||||
公称压力Nominal Pressure | Size | Dimension(mm) | ||||||||||
DN | d | L | D(1) | D(2) | C | g | T | t | H | W | n-Ø | |
PN1.6MPa | 15 | 15 | 130 | 95 | 95 | 65 | 46 | 14 | 2 | 170 | 120 | 4-14 |
20 | 20 | 150 | 105 | 105 | 75 | 56 | 16 | 2 | 190 | 140 | 4-14 | |
25 | 25 | 160 | 115 | 115 | 85 | 65 | 16 | 2 | 205 | 160 | 4-14 | |
32 | 32 | 180 | 135 | 140 | 100 | 78 | 16 | 2 | 270 | 180 | 4-18 | |
40 | 40 | 200 | 145 | 150 | 110 | 84 | 18 | 2 | 310 | 200 | 4-18 | |
50 | 50 | 250 | 160 | 165 | 125 | 99 | 20 | 2 | 358 | 240 | 4-18 | |
65 | 65 | 265 | 180 | 185 | 145 | 118 | 20 | 2 | 373 | 240 | 4-18 | |
80 | 80 | 280 | 195 | 200 | 160 | 132 | 20 | 2 | 435 | 280 | 8-18 | |
100 | 100 | 300 | 215 | 220 | 180 | 156 | 22 | 2 | 500 | 300 | 8-18 | |
125 | 125 | 325 | 245 | 250 | 210 | 184 | 22 | 2 | 614 | 320 | 8-22 | |
150 | 150 | 350 | 280 | 285 | 240 | 211 | 24 | 2 | 674 | 360 | 12-22 | |
200 | 200 | 400 | 335 | 340 | 295 | 266 | 24 | 2 | 818 | 400 | 12-26 | |
250 | 250 | 450 | 405 | 405 | 355 | 319 | 26 | 2 | 969 | 450 | 12-26 | |
300 | 300 | 500 | 460 | 460 | 410 | 370 | 28 | 2 | 1145 | 560 | 12-26 | |
350 | 350 | 550 | 520 | ˉ | 470 | 435 | 34 | 4 | 1280 | 640 | 16-25 | |
400 | 400 | 600 | 580 | ˉ | 525 | 485 | 36 | 4 | 1452 | 640 | 16-30 | |
450 | 450 | 650 | 640 | ˉ | 585 | 545 | 40 | 4 | 1541 | 720 | 20-30 | |
500 | 500 | 700 | 705 | ˉ | 650 | 608 | 44 | 4 | 1678 | 720 | 20-34 | |
600 | 600 | 800 | 840 | ˉ | 770 | 718 | 48 | 5 | 1874 | 800 | 20-41 | |
700 | 700 | 900 | 910 | ˉ | 840 | 788 | 50 | 5 | ˉ | ˉ | 24-41 | |
800 | 800 | 1000 | 1020 | ˉ | 950 | 898 | 52 | 5 | ˉ | ˉ | 24-41 | |
900 | 900 | 1100 | 1120 | ˉ | 1050 | 998 | 54 | 5 | ˉ | ˉ | 28-41 | |
1000 | 1000 | 1200 | 1255 | ˉ | 1170 | 1100 | 56 | 5 | ˉ | ˉ | 28-48 |
主要尺寸 Dimensions of Flanged End | |||||||||||
公称压力Nominal Pressure | Size | Dimension(mm) | |||||||||
DN | L | D(1) | D(2) | C | g | T | t | H | W | n-Ø | |
PN2.5MPa | 15 | 130 | 95 | 95 | 65 | 46 | 14 | 2 | 170 | 120 | 4-14 |
20 | 150 | 105 | 105 | 75 | 56 | 16 | 2 | 190 | 140 | 4-14 | |
25 | 160 | 115 | 115 | 85 | 65 | 16 | 2 | 205 | 160 | 4-14 | |
32 | 180 | 135 | 140 | 100 | 78 | 16 | 2 | 270 | 180 | 4-18 | |
40 | 200 | 145 | 150 | 110 | 84 | 18 | 2 | 310 | 200 | 4-18 | |
50 | 250 | 160 | 165 | 125 | 99 | 20 | 2 | 358 | 240 | 4-18 | |
65 | 265 | 180 | 185 | 145 | 118 | 22 | 2 | 373 | 240 | 8-18 | |
80 | 280 | 195 | 200 | 160 | 132 | 24 | 2 | 435 | 280 | 8-18 | |
100 | 300 | 230 | 235 | 190 | 156 | 24 | 2 | 500 | 300 | 8-22 | |
125 | 325 | 270 | 270 | 220 | 184 | 26 | 2 | 614 | 320 | 8-26 | |
150 | 350 | 300 | 300 | 250 | 211 | 28 | 2 | 674 | 360 | 8-26 | |
200 | 400 | 360 | 360 | 310 | 274 | 30 | 2 | 818 | 400 | 12-26 | |
250 | 450 | 425 | 425 | 370 | 330 | 32 | 2 | 969 | 450 | 12-30 | |
300 | 500 | 485 | 485 | 430 | 389 | 34 | 2 | 1145 | 560 | 16-30 | |
350 | 550 | 550 | ˉ | 490 | 448 | 44 | 4 | 1280 | 640 | 16-34 | |
400 | 600 | 610 | ˉ | 550 | 505 | 48 | 4 | 1452 | 640 | 16-34 | |
450 | 650 | 660 | ˉ | 600 | 555 | 50 | 4 | 1541 | 720 | 20-34 | |
500 | 700 | 730 | ˉ | 660 | 610 | 52 | 4 | 1678 | 720 | 20-41 | |
600 | 800 | 840 | ˉ | 770 | 718 | 56 | 5 | 1874 | 800 | 20-41 | |
700 | 900 | 955 | ˉ | 875 | 815 | 60 | 5 | ˉ | ˉ | 24-48 | |
800 | 1000 | 1070 | ˉ | 990 | 930 | 64 | 5 | ˉ | ˉ | 24-48 | |
PN4.0MPa | 50 | 250 | 160 | ˉ | 125 | 100 | 20 | 3 | 371 | 280 | 4-18 |
65 | 280 | 180 | ˉ | 145 | 120 | 22 | 3 | 391 | 280 | 8-18 | |
80 | 310 | 195 | ˉ | 160 | 135 | 22 | 3 | 455 | 320 | 8-18 | |
100 | 350 | 230 | ˉ | 190 | 160 | 24 | 3 | 551 | 360 | 8-23 | |
125 | 400 | 270 | ˉ | 220 | 188 | 28 | 3 | 628 | 400 | 8-25 | |
150 | 450 | 300 | ˉ | 250 | 218 | 30 | 3 | 708 | 400 | 8-25 | |
200 | 550 | 375 | ˉ | 320 | 282 | 38 | 3 | 885 | 460 | 12-30 | |
250 | 650 | 445 | ˉ | 385 | 345 | 42 | 3 | 906 | 560 | 12-34 | |
300 | 750 | 510 | ˉ | 450 | 408 | 46 | 4 | 1203 | 640 | 16-34 | |
350 | 850 | 570 | ˉ | 510 | 465 | 52 | 4 | 1341 | 640 | 16-34 | |
400 | 950 | 655 | ˉ | 585 | 535 | 58 | 4 | 1492 | 720 | 16-41 | |
500 | 1150 | 755 | ˉ | 670 | 612 | 62 | 4 | ˉ | ˉ | 20-48 | |
600 | 1350 | 890 | ˉ | 795 | 730 | 62 | 5 | ˉ | ˉ | 20-54 | |
700 | 1450 | 995 | ˉ | 900 | 835 | 68 | 5 | ˉ | ˉ | 24-54 | |
800 | 1650 | 1135 | ˉ | 1030 | 960 | 76 | 5 | ˉ | ˉ | 24-58 |
主体外形和连接尺寸Main External and Connection Dimension | ||||||||||||
公称压力Nominal Pressure | Size | Dimension(mm) | ||||||||||
DN | d | L | D(1) | D(2) | C | g | T | t | H | W | n-Ø | |
PN6.4MPa | 50 | 50 | 250 | 175 | ˉ | 135 | 105 | 26 | 3 | 470 | 280 | 4-23 |
65 | 65 | 280 | 200 | ˉ | 160 | 130 | 28 | 3 | 520 | 280 | 8-23 | |
80 | 80 | 310 | 210 | ˉ | 170 | 140 | 30 | 3 | 570 | 320 | 8-23 | |
100 | 100 | 350 | 250 | ˉ | 200 | 168 | 32 | 3 | 700 | 360 | 8-25 | |
125 | 125 | 400 | 295 | ˉ | 240 | 202 | 36 | 3 | 780 | 400 | 8-30 | |
150 | 150 | 450 | 340 | ˉ | 280 | 240 | 38 | 3 | 850 | 450 | 8-34 | |
200 | 200 | 550 | 405 | ˉ | 345 | 300 | 44 | 3 | 1035 | 560 | 12-34 | |
250 | 250 | 650 | 470 | ˉ | 400 | 352 | 48 | 3 | 1050 | 640 | 12-41 | |
300 | 300 | 750 | 530 | ˉ | 460 | 412 | 54 | 3 | 1470 | 640 | 16-41 | |
350 | 350 | 850 | 595 | ˉ | 525 | 475 | 60 | 3 | ˉ | ˉ | 16-41 | |
400 | 400 | 950 | 670 | ˉ | 585 | 525 | 66 | 3 | ˉ | ˉ | 16-48 | |
500 | 500 | 1150 | 800 | ˉ | 705 | 640 | 70 | 3 | ˉ | ˉ | 20-54 | |
600 | 600 | 1350 | 930 | ˉ | 820 | 750 | 76 | 3 | ˉ | ˉ | 20-58 | |
PN10.0MPa | 50 | 50 | 250 | 195 | ˉ | 145 | 112 | 28 | 3 | 490 | 360 | 4-25 |
65 | 65 | 280 | 220 | ˉ | 170 | 138 | 32 | 3 | 540 | 400 | 8-25 | |
80 | 80 | 310 | 230 | ˉ | 180 | 148 | 34 | 3 | 573 | 400 | 8-25 | |
100 | 100 | 350 | 265 | ˉ | 210 | 172 | 38 | 3 | 575 | 400 | 8-30 | |
125 | 125 | 400 | 310 | ˉ | 250 | 210 | 42 | 3 | 744 | 560 | 8-34 | |
150 | 150 | 450 | 350 | ˉ | 290 | 250 | 46 | 3 | 800 | 560 | 12-34 | |
200 | 200 | 550 | 430 | ˉ | 360 | 312 | 54 | 3 | 860 | 560 | 12-41 | |
250 | 250 | 650 | 500 | ˉ | 430 | 382 | 60 | 3 | 1050 | 640 | 12-41 | |
300 | 300 | 750 | 585 | ˉ | 500 | 442 | 70 | 4 | 1208 | 640 | 16-48 | |
350 | 350 | 850 | 655 | ˉ | 560 | 298 | 76 | 4 | ˉ | ˉ | 16-54 | |
400 | 400 | 950 | 715 | ˉ | 620 | 558 | 80 | 4 | ˉ | ˉ | 16-54 |