|
闸阀是最常用的截断阀之一，主要用来接通或截断管路中的介质，不适用于调节介质流量。闸阀适用的压力、温度及口径范围很大，尤其适用于中、大口径的管道。
闸阀的主要优点
（1）流体阻力小。闸阀闸体内部介质通道是直通的，介质流经闸阀时不改变其流动方向，因而流动阻力较小。
（2）启闭较省力。启闭时闸板运动方向与介质流动方向相垂直。与截止阀相比，闸阀的启闭较为省力。
（3）介质流动方向一般不受限制。介质可从闸阀两侧任意方向流过，均能达到接通或截断的目的。便于安装，适用于介质的流动方向可能改变的管路中。
主要零件材料及性能规范
|
主要零部件 |
阀体、阀盖、闸板 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti
0Cr18Ni12Mo2Ti |
ZG2Cr5Mo |
|
阀杆 |
1Cr13 |
1Cr18Ni9Ti |
20Cr1Mo1V1 |
|
阀杆螺母 |
ZguAL10Fe3/球墨铸铁 |
|
填料 |
柔性石墨、石墨石棉盘根 |
|
主要
参数 |
适用介质 |
蒸汽、油品、水等 |
硝酸类 |
醋酸类 |
蒸汽、油品、水等 |
|
适用适用温度℃ |
≤425 |
≤200 |
≤200 |
≤425 |
|
型号 |
公称 |
主要结构尺寸(mm) |
阀体
材料 |
性能规范 |
|
通径 DN(mm) |
压力 PN(MPa) |
D |
L |
H1 |
H2 |
适用温度(℃) |
适用
介质 |
|
Z6s4０１H-16C Z6s4０１Y-16C |
150 |
1.6 |
280 |
350 |
1470 |
1640 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
200 |
" |
335 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
405 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
460 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
520 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
580 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
705 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１Y-16I |
150 |
1.6 |
280 |
350 |
1470 |
1640 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
200 |
" |
335 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
405 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
460 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
520 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
580 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
705 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１W-16P Z6s4０１Y-16P |
150 |
1.6 |
280 |
350 |
1470 |
1640 |
1Cr18Ni9Ti |
≤200 |
硝酸类 |
|
200 |
" |
335 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
405 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
460 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
520 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
580 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
705 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１W-16R Z6s4０１Y-16R |
150 |
1.6 |
280 |
350 |
1470 |
1640 |
OCr18Ni12Mo2Ti |
≤200 |
醋酸类 |
|
200 |
" |
335 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
405 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
460 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
520 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
580 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
705 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１H-25 Z6s4０１Y-25 |
150 |
2.5 |
300 |
350 |
1470 |
1640 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
200 |
" |
360 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
425 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
485 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
550 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
2.5 |
610 |
600 |
2960 |
3400 |
" |
" |
" |
|
Z6s4０１H-25 Z6s4０１Y-25 |
500 |
2.5 |
730 |
700 |
3650 |
4200 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s44０１Y-25I |
150 |
2.5 |
300 |
350 |
1470 |
1640 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
200 |
" |
360 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
425 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
485 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
550 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
610 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
730 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１H-25P Z6s4０１Y-25P |
150 |
2.5 |
300 |
350 |
1470 |
1640 |
1Cr18Ni9Ti |
≤200 |
硝酸类 |
|
200 |
" |
360 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
425 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
485 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
550 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
610 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
730 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１W-25R Z6s4０１Y-25R |
150 |
2.5 |
300 |
350 |
1470 |
1640 |
OCr18Ni12Mo2Ti |
|
醋酸类 |
|
200 |
" |
360 |
400 |
1730 |
1950 |
" |
" |
" |
|
250 |
" |
425 |
450 |
2000 |
2270 |
" |
" |
" |
|
300 |
" |
485 |
500 |
2250 |
2580 |
" |
" |
" |
|
350 |
" |
550 |
550 |
2625 |
3010 |
" |
" |
" |
|
400 |
" |
610 |
600 |
2960 |
3400 |
" |
" |
" |
|
500 |
" |
730 |
700 |
3650 |
4200 |
" |
" |
" |
|
600 |
" |
840 |
800 |
4320 |
4970 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１H-40 Z6s4０１Y-40 |
150 |
4.0 |
300 |
450 |
1520 |
1700 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
200 |
" |
375 |
550 |
1810 |
1900 |
" |
" |
" |
|
250 |
" |
445 |
650 |
2100 |
2380 |
" |
" |
" |
|
300 |
" |
510 |
750 |
2340 |
2670 |
" |
" |
" |
|
350 |
" |
570 |
850 |
2760 |
3140 |
" |
" |
" |
|
400 |
" |
655 |
950 |
3100 |
3550 |
" |
" |
" |
|
500 |
" |
755 |
1150 |
3800 |
4350 |
" |
" |
" |
|
600 |
" |
890 |
1350 |
4500 |
5150 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１Y-40I
Z6s4０１Y-40I |
150 |
4.0 |
300 |
450 |
1520 |
1700 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
200 |
" |
375 |
550 |
1810 |
1900 |
" |
" |
" |
|
250 |
" |
445 |
650 |
2100 |
2380 |
" |
" |
" |
|
Z6s4０１Y-40I |
300 |
4.0 |
510 |
750 |
2340 |
2670 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
350 |
" |
570 |
850 |
2760 |
3140 |
" |
" |
" |
|
400 |
" |
655 |
950 |
3100 |
3550 |
" |
" |
" |
|
500 |
" |
755 |
1150 |
3800 |
4350 |
" |
" |
" |
|
600 |
" |
890 |
1350 |
4500 |
5150 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１W-40P Z6s4０１-40P |
150 |
4.0 |
300 |
450 |
1520 |
1700 |
1Cr18Ni9Ti |
≤200 |
硝酸类 |
|
200 |
" |
375 |
550 |
1810 |
1900 |
" |
" |
" |
|
250 |
" |
445 |
650 |
2100 |
2380 |
" |
" |
" |
|
300 |
" |
510 |
750 |
2340 |
2670 |
" |
" |
" |
|
350 |
" |
570 |
850 |
2760 |
3140 |
" |
" |
" |
|
400 |
" |
655 |
950 |
3100 |
3550 |
" |
" |
" |
|
500 |
" |
755 |
1150 |
3800 |
4350 |
" |
" |
" |
|
600 |
" |
890 |
1350 |
4500 |
5150 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１W-40R Z6s4０１Y-40R |
150 |
4.0 |
300 |
450 |
1520 |
1700 |
0Cr18Ni12Mo2Ti |
≤200 |
醋酸类 |
|
200 |
" |
375 |
550 |
1810 |
1900 |
" |
" |
" |
|
250 |
" |
445 |
650 |
2100 |
2380 |
" |
" |
" |
|
300 |
" |
510 |
750 |
2340 |
2670 |
" |
" |
" |
|
350 |
" |
570 |
850 |
2760 |
3140 |
" |
" |
" |
|
400 |
" |
655 |
950 |
3100 |
3550 |
" |
" |
" |
|
500 |
" |
755 |
1150 |
3800 |
4350 |
" |
" |
" |
|
600 |
" |
890 |
1350 |
4500 |
5150 |
" |
" |
" |
|
700 |
" |
|
|
|
|
" |
" |
" |
|
Z6s4０１H-64 Z6s4０１Y-64 |
200 |
6.4 |
405 |
550 |
1850 |
1940 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
250 |
" |
470 |
650 |
2140 |
2220 |
" |
" |
" |
|
300 |
" |
530 |
750 |
2380 |
2710 |
" |
" |
" |
|
Z6s4０１Y-64I |
200 |
6.4 |
405 |
550 |
1850 |
1940 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
250 |
" |
470 |
650 |
2140 |
2220 |
" |
" |
" |
|
300 |
" |
530 |
750 |
2380 |
2710 |
" |
" |
" |
|
Z6s4０１W-64P Z6s4０１Y-64P |
200 |
6.4 |
405 |
550 |
1850 |
1940 |
1Cr18Ni9Ti |
≤200 |
硝酸类 |
|
250 |
" |
470 |
650 |
2140 |
2220 |
" |
" |
" |
|
300 |
" |
530 |
750 |
2380 |
2710 |
" |
" |
" |
|
Z6s4０１W-64R Z6s4０１Y-64R |
200 |
6.4 |
405 |
550 |
1850 |
1940 |
0Cr18Ni12Mo2Ti |
≤200 |
醋酸类 |
|
250 |
" |
470 |
650 |
2140 |
2220 |
" |
" |
" |
|
300 |
" |
530 |
750 |
2380 |
2710 |
" |
" |
" |
|
Z6s4０１H-100 Z6s4０１Y-100 |
200 |
10.0 |
430 |
550 |
1870 |
1960 |
碳钢 |
≤425 |
蒸汽、油品、水等 |
|
250 |
" |
500 |
650 |
2160 |
2240 |
" |
" |
" |
|
300 |
" |
585 |
750 |
2420 |
2750 |
" |
" |
" |
|
Z6s4０１Y-100I |
200 |
10.0 |
430 |
550 |
1870 |
1960 |
耐热合金钢 |
≤550 |
蒸汽、油品、水等 |
|
250 |
" |
500 |
650 |
2160 |
2240 |
" |
" |
" |
|
300 |
" |
585 |
750 |
2420 |
2750 |
" |
" |
" |
|
Z6s4０１W-100P Z6s4０１Y-100P |
200 |
10.0 |
430 |
550 |
1870 |
1960 |
1Cr18Ni9Ti |
≤200 |
硝酸类 |
|
250 |
" |
500 |
650 |
2160 |
2240 |
" |
" |
" |
|
300 |
" |
585 |
750 |
2420 |
2750 |
" |
" |
" |
|
Z6s4０１W-100R Z6s4０１Y-100R |
200 |
10.0 |
430 |
550 |
1870 |
1960 |
0Cr18Ni12Mo2Ti |
≤200 |
醋酸类 |
|
250 |
" |
500 |
650 |
2160 |
2240 |
" |
" |
" |
|
300 |
" |
585 |
750 |
2420 |
2750 |
" |
" |
" |
注：法兰尺寸标准按JB/T79-1994。 | 