 |
H44H-25C型国标旋启式止回阀
| 名称：国标旋启式止回阀 |
型号：H44H-25C |
|
公称通径：DN25-DN300
|
设计标准：GB/T12236 |
| 公称压力：PN16/25 |
结构长度：GB/T12221 |
| 适用介质：水、油、蒸汽等 |
阀体法兰标准：GB/T9113 |
| 适用温度：-10°C-350°C |
试验检验标准：GB/T13927 |
| 主要零部件材质Main Spare Part Material Quality |
| 零部件名称 |
材料编号 |
| 阀体 |
WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti |
| 阀盖 |
WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti |
| 阀瓣 |
WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti |
| 摇杆 |
WCB,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti |
| 阀座 |
25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti |
| 销轴 |
25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti |
| 密封环、垫片 |
包覆垫,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti |
| 主要外形尺寸及连接尺寸 Outline Dimensions and Connection Dimensions |
公称压力
(Mpa) |
规格DN |
尺寸Size |
| L |
D |
D1 |
D2 |
n-d |
H |
| PN1.6 |
50 |
230 |
160 |
125 |
100 |
4-18 |
160 |
| 65 |
290 |
180 |
145 |
120 |
4-18 |
177 |
| 80 |
310 |
195 |
160 |
135 |
8-18 |
187 |
| 100 |
350 |
215 |
180 |
155 |
8-18 |
202 |
| 125 |
400 |
245 |
210 |
185 |
8-18 |
227 |
| 150 |
480 |
280 |
240 |
210 |
8-23 |
263 |
| 200 |
550 |
335 |
295 |
265 |
12-23 |
293 |
| 250 |
650 |
405 |
355 |
320 |
12-26 |
330 |
| 300 |
750 |
460 |
410 |
375 |
12-26 |
382 |
| 350 |
850 |
520 |
470 |
435 |
16-26 |
430 |
| 400 |
950 |
580 |
525 |
485 |
16-30 |
480 |
| 500 |
1150 |
715 |
650 |
608 |
20-34 |
560 |
| PN2.5 |
50 |
230 |
160 |
125 |
100 |
4-18 |
177 |
| 65 |
290 |
180 |
145 |
120 |
8-18 |
192 |
| 80 |
310 |
195 |
160 |
135 |
8-18 |
192 |
| 100 |
350 |
230 |
190 |
160 |
8-23 |
217 |
| 125 |
400 |
245 |
220 |
188 |
8-26 |
250 |
| 150 |
480 |
300 |
250 |
218 |
8-26 |
270 |
| 200 |
550 |
360 |
310 |
276 |
12-26 |
350 |
| 250 |
650 |
425 |
370 |
332 |
12-30 |
410 |
| 300 |
750 |
485 |
430 |
390 |
16-30 |
430 |
| 350 |
850 |
550 |
490 |
448 |
16-34 |
450 |
| 400 |
950 |
610 |
550 |
505 |
16-36 |
560 |
| 500 |
1150 |
730 |
660 |
610 |
20-36 |
618 |
|
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