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耐熱鋼楔式閘閥
閘閥是最常用的截斷閥之一，主要用來接通或截斷管路中的介質，不適用于調節介質流量。閘閥適用的壓力、溫度及口徑范圍很大，尤其適用于中、大口徑的管道。
閘閥的主要優點：
（1）流體阻力小。閘閥閘體內部介質通道是直通的，介質流經閘閥時不改變其流動方向，因而流動阻力較小。
（2）啟閉較省力。啟閉時閘板運動方向與介質流動方向相垂直。與截止閥相比，閘閥的啟閉較為省力。
（3）介質流動方向一般不受限制。介質可從閘閥兩側任意方向流過，均能達到接通或截斷的目的。便于安裝，適用于介質的流動方向可能改變的管路中。
主要零件材料及性能規范
|
主要零部件 |
閥體、閥蓋、閘板 |
WCB |
ZG1Cr18Ni9Ti |
ZG1Cr18Ni12Mo2Ti 0Cr18Ni12Mo2Ti |
ZG2Cr5Mo |
|
閥桿 |
1Cr13 |
1Cr18Ni9Ti |
20Cr1Mo1V1 |
||
|
閥桿螺母 |
ZguAL10Fe3/球墨鑄鐵 |
||||
|
填料 |
柔性石墨、石墨石棉盤根 |
||||
|
主要 參數 |
適用介質 |
蒸汽、油品、水等 |
硝酸類 |
醋酸類 |
蒸汽、油品、水等 |
|
適用適用溫度℃ |
≤425 |
≤200 |
≤200 |
≤425 |
|
|
型號 |
公稱 |
主要結構尺寸(mm) |
閥體 材料 |
性能規范 |
||||||
|
通徑 DN(mm) |
壓力 PN(MPa) |
D |
D0 |
L |
H1 |
H2 |
適用溫度℃ |
適用 介質 |
||
|
Z410Y-16I |
50 |
1.6 |
160 |
200 |
250 |
185 |
240 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
" |
65 |
" |
180 |
200 |
270 |
240 |
20 |
" |
" |
" |
|
" |
80 |
" |
195 |
250 |
280 |
350 |
395 |
" |
" |
" |
|
" |
100 |
" |
215 |
250 |
300 |
370 |
480 |
" |
" |
" |
|
" |
150 |
" |
280 |
300 |
350 |
560 |
720 |
" |
" |
" |
|
" |
200 |
" |
335 |
350 |
400 |
735 |
955 |
" |
" |
" |
|
" |
250 |
" |
405 |
400 |
450 |
880 |
1150 |
" |
" |
" |
|
" |
300 |
" |
460 |
450 |
500 |
1050 |
1375 |
" |
" |
" |
|
" |
350 |
" |
520 |
500 |
550 |
1195 |
1565 |
" |
" |
" |
|
" |
400 |
" |
580 |
550 |
600 |
1335 |
1760 |
" |
" |
" |
|
" |
500 |
" |
705 |
600 |
700 |
1720 |
2270 |
" |
" |
" |
|
" |
600 |
" |
840 |
650 |
800 |
1830 |
2480 |
" |
" |
" |
|
" |
700 |
" |
910 |
900 |
" |
" |
" |
|||
|
Z410Y-25I |
50 |
2.5 |
160 |
200 |
250 |
185 |
240 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
" |
65 |
" |
180 |
200 |
270 |
240 |
320 |
" |
" |
" |
|
" |
80 |
" |
195 |
250 |
280 |
305 |
395 |
" |
" |
" |
|
" |
100 |
" |
230 |
250 |
300 |
370 |
480 |
" |
" |
" |
|
" |
150 |
" |
300 |
300 |
350 |
560 |
720 |
" |
" |
" |
|
" |
200 |
" |
360 |
360 |
400 |
735 |
955 |
" |
" |
" |
|
" |
250 |
" |
425 |
425 |
450 |
880 |
1160 |
" |
" |
" |
|
" |
300 |
" |
485 |
485 |
500 |
1080 |
1405 |
" |
" |
" |
|
" |
350 |
" |
550 |
550 |
550 |
1210 |
1580 |
" |
" |
" |
|
" |
400 |
" |
610 |
610 |
600 |
1345 |
1780 |
" |
" |
" |
|
" |
500 |
" |
730 |
730 |
700 |
1740 |
2290 |
" |
" |
" |
|
" |
600 |
" |
840 |
650 |
800 |
1850 |
2500 |
" |
" |
" |
|
" |
700 |
" |
955 |
900 |
" |
" |
" |
|||
|
Z410Y-40I |
50 |
4.0 |
160 |
250 |
250 |
220 |
295 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
" |
65 |
" |
180 |
250 |
280 |
290 |
365 |
" |
" |
" |
|
" |
80 |
" |
195 |
300 |
310 |
360 |
450 |
" |
" |
" |
|
" |
100 |
" |
230 |
300 |
350 |
450 |
570 |
" |
" |
" |
|
" |
150 |
" |
300 |
350 |
450 |
620 |
790 |
" |
" |
" |
|
" |
200 |
" |
375 |
400 |
550 |
830 |
1050 |
" |
" |
" |
|
" |
250 |
" |
445 |
450 |
650 |
950 |
1235 |
" |
" |
" |
|
" |
300 |
" |
510 |
500 |
750 |
1120 |
1450 |
" |
" |
" |
|
" |
350 |
" |
570 |
550 |
850 |
1560 |
1940 |
" |
" |
" |
|
" |
400 |
" |
655 |
600 |
950 |
1770 |
2200 |
" |
" |
" |
|
" |
500 |
" |
755 |
680 |
1050 |
1880 |
" |
" |
" |
|
|
Z410Y-64I |
50 |
6.4 |
175 |
300 |
250 |
240 |
320 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
" |
65 |
" |
200 |
300 |
280 |
310 |
390 |
" |
" |
" |
|
" |
80 |
" |
210 |
350 |
310 |
380 |
470 |
" |
" |
" |
|
" |
100 |
" |
250 |
350 |
350 |
470 |
590 |
" |
" |
" |
|
" |
150 |
" |
340 |
400 |
450 |
640 |
810 |
" |
" |
" |
|
" |
200 |
" |
405 |
450 |
550 |
850 |
1070 |
" |
" |
" |
|
" |
250 |
" |
470 |
500 |
650 |
1000 |
1270 |
" |
" |
" |
|
Z410Y-64I |
300 |
6.4 |
530 |
550 |
750 |
1210 |
1550 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
Z410Y-100I |
50 |
10.0 |
195 |
300 |
250 |
260 |
340 |
ZGCr5Mo |
≤550 |
蒸汽、油品、水 |
|
" |
65 |
" |
220 |
300 |
280 |
330 |
410 |
" |
" |
" |
|
" |
80 |
" |
230 |
350 |
310 |
400 |
490 |
" |
" |
" |
|
" |
100 |
" |
265 |
350 |
350 |
490 |
610 |
" |
" |
" |
|
" |
150 |
" |
350 |
400 |
450 |
660 |
830 |
" |
" |
" |
|
" |
200 |
" |
430 |
450 |
550 |
1100 |
1320 |
" |
" |
" |
|
" |
250 |
" |
500 |
500 |
650 |
1300 |
1580 |
" |
" |
" |
|
" |
300 |
" |
585 |
550 |
750 |
1480 |
1810 |
" |
" |
" |
|