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平板闸阀是一种关闭件为平行闸板的滑动阀。其关闭件可以是单闸板或是其间带有撑开机构的双闸板。
闸板向阀座的压紧力是由作用于浮动闸板或浮动阀座的介质压力来控制，阀座采用O形密封圈密封（DN≥200配用弹簧）和施加予紧力的浮动阀座结构，使阀门进出口双向均可密封；并且该结构的启闭力矩仅为普通阀门1/2，能达到轻松开、关阀门。平板闸阀的优点是流阻小。平板闸阀能适用于带悬浮颗粒的介质。
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 |
备注 |
|
|
通径 DN(mm) |
压力 PN(MPa) |
D |
L |
H |
电动装置
型号 |
适用温度℃ |
适用
介质 |
|
|
Z43D(F) -16C
KZ43D(F)-16C
KZ543D(F)-16C
KZ643D(F)-16C
KZ943D(F)-16C |
50 |
1.6 |
160 |
200 |
178 |
|
WCB |
常温 |
石油、天然气等 |
电动装置型号供Z943选用 |
|
|
65 |
" |
180 |
200 |
190 |
|
" |
" |
|
|
80 |
" |
195 |
250 |
203 |
|
" |
" |
|
|
100 |
" |
215 |
250 |
229 |
|
" |
" |
|
|
150 |
" |
280 |
300 |
267 |
Z20-18/80 |
" |
" |
|
|
200 |
" |
335 |
350 |
292 |
Z20-18/80 |
" |
" |
|
|
250 |
" |
405 |
400 |
330 |
Z30-18/80 |
" |
" |
|
|
300 |
" |
460 |
450 |
356 |
Z45-18/80 |
" |
" |
|
|
350 |
" |
520 |
500 |
381 |
Z60-18/80 |
" |
" |
|
|
400 |
" |
580 |
550 |
406 |
Z90-18/80 |
" |
" |
|
|
450 |
" |
640 |
550 |
432 |
|
" |
" |
|
|
500 |
" |
705 |
600 |
457 |
Z120-18/80 |
" |
" |
|
|
600 |
" |
840 |
650 |
508 |
Z180-18/80 |
" |
" |
|
|
700 |
" |
910 |
700 |
610 |
Z250-18/80 |
" |
" |
|
|
Z43D-25
KZ43D-25
KZ543D-25
KZ643D-25
KZ943D-25 |
50 |
2.5 |
160 |
200 |
216 |
|
WCB |
常温 |
石油、天然气等 |
电动装置型号供Z943选用 |
|
|
65 |
" |
180 |
200 |
241 |
|
" |
" |
|
|
80 |
" |
195 |
250 |
283 |
|
" |
" |
|
|
100 |
" |
230 |
250 |
305 |
|
" |
" |
|
|
150 |
" |
300 |
300 |
403 |
Z20-18/80 |
" |
" |
|
|
200 |
" |
360 |
350 |
419 |
Z30-18/80 |
" |
" |
|
|
250 |
" |
425 |
400 |
457 |
Z45-18/80 |
" |
" |
|
|
300 |
" |
485 |
450 |
502 |
Z60-18/80 |
" |
" |
|
|
350 |
" |
550 |
500 |
762 |
Z90-18/80 |
" |
" |
|
|
400 |
" |
610 |
550 |
838 |
Z120-18/80 |
" |
" |
|
|
450 |
" |
660 |
550 |
914 |
Z180-18/80 |
" |
" |
|
|
500 |
" |
730 |
600 |
991 |
Z180-18/80 |
" |
" |
|
|
600 |
" |
840 |
650 |
1143 |
Z250-18/80 |
" |
" |
|
|
Z43D(H)-40
KZ43D(H)-40
KZ543D(H)-40
KZ643D(H)-40
KZ943D(H)-40 |
50 |
4.0 |
160 |
250 |
216 |
|
WCB |
常温 |
石油、天然气等 |
电动装置型号供Z943选用 |
|
|
65 |
" |
185 |
250 |
241 |
|
" |
" |
|
|
80 |
" |
195 |
300 |
283 |
|
" |
" |
|
|
100 |
" |
230 |
300 |
305 |
|
" |
" |
|
|
150 |
" |
300 |
350 |
403 |
Z30-18/80 |
" |
" |
|
|
200 |
" |
375 |
400 |
419 |
Z30-18/80 |
" |
" |
|
|
250 |
" |
445 |
450 |
457 |
Z45-18/80 |
" |
" |
|
|
300 |
" |
510 |
500 |
502 |
Z60-18/80 |
" |
" |
|
|
350 |
" |
570 |
550 |
762 |
Z90-18/80 |
" |
" |
|
|
400 |
" |
655 |
600 |
838 |
Z180-18/80 |
" |
" |
|
|
450 |
" |
680 |
600 |
914 |
Z180-18/80 |
" |
" |
|
|
500 |
" |
755 |
680 |
991 |
Z250-18/80 |
" |
" |
|
|
600 |
" |
890 |
740 |
1143 |
Z350-18/80 |
" |
" |
|
|
Z43D(H)-64
KZ43D(H)-64
Z543D(H)-64
Z643D(H)-64
Z943D(H)-64 |
50 |
6.4 |
175 |
300 |
292 |
|
WCB |
常温 |
石油、天然气等 |
电动装置型号供Z943选用 |
|
65 |
" |
200 |
300 |
330 |
|
" |
" |
|
80 |
" |
210 |
350 |
356 |
|
" |
" |
|
100 |
" |
250 |
350 |
432 |
|
" |
" |
|
150 |
" |
340 |
400 |
559 |
Z30-18/80 |
" |
" |
|
200 |
" |
405 |
450 |
660 |
Z45-18/80 |
" |
" |
|
250 |
" |
470 |
500 |
787 |
Z90-18/80 |
" |
" |
|
300 |
" |
530 |
550 |
838 |
Z120-18/80 |
" |
" |
|
350 |
" |
595 |
550 |
838 |
Z180-18/80 |
" |
" |
|
400 |
" |
670 |
600 |
991 |
Z250-18/80 |
" |
" |
|
450 |
" |
|
600 |
1092 |
Z250-18/80 |
" |
" |
|
500 |
" |
800 |
680 |
1194 |
Z350-18/80 |
" |
" |
|
600 |
" |
930 |
740 |
1397 |
|
" |
" |
|
Z43H-100
KZ43H-100
Z543H-100
Z643H-100
Z943H-100 |
50 |
10.0 |
195 |
300 |
292 |
|
WCB |
常温 |
石油、天然气等 |
电动装置型号供Z943选用 |
|
65 |
" |
220 |
300 |
330 |
|
" |
" |
|
80 |
" |
230 |
350 |
356 |
|
" |
" |
|
100 |
" |
265 |
350 |
432 |
|
" |
" |
|
150 |
" |
350 |
400 |
559 |
Z60-18/80 |
" |
" |
|
200 |
" |
430 |
450 |
660 |
Z90-18/80 |
" |
" |
|
250 |
" |
500 |
500 |
787 |
Z120-18/80 |
" |
" |
|
300 |
" |
585 |
550 |
838 |
Z180-18/80 |
" |
" |
|
350 |
" |
665 |
600 |
889 |
Z250-18/80 |
" |
" |
|
400 |
" |
715 |
680 |
991 |
Z350-18/80 |
" |
" |
注：法兰尺寸标准按JB/T79-1994。 |
