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H41H型国标升降式止回阀
| 名称：国标升降式止回阀 |
型号：H41H |
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公称通径：DN25-DN300 |
设计标准：GB/T12235 |
| 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 |
25,ZGCr5Mo,ZGCr18Ni9Ti,ZGCr18Ni12Mo2Ti |
| 阀瓣 |
WCB,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti |
| 阀座 |
25,1Cr18Ni9Ti,1Cr18Ni12Mo2Ti |
| 垫片 |
包覆垫 |
| 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 |
25 |
160 |
115 |
85 |
65 |
4-14 |
80 |
| 32 |
180 |
135 |
100 |
78 |
4-18 |
85 |
| 40 |
200 |
145 |
110 |
85 |
4-18 |
95 |
| 50 |
230 |
160 |
125 |
100 |
4-18 |
105 |
| 65 |
290 |
180 |
145 |
120 |
4-18 |
120 |
| 80 |
310 |
195 |
160 |
135 |
8-18 |
130 |
| 100 |
350 |
215 |
180 |
155 |
8-18 |
140 |
| 125 |
400 |
245 |
210 |
185 |
8-18 |
155 |
| 150 |
480 |
280 |
240 |
210 |
8-23 |
180 |
| 200 |
600 |
335 |
295 |
265 |
12-23 |
215 |
| 250 |
730 |
405 |
355 |
320 |
12-25 |
260 |
| 300 |
850 |
460 |
410 |
375 |
12-25 |
315 |
| PN2.5 |
20 |
160 |
115 |
85 |
65 |
4-14 |
80 |
| 32 |
180 |
135 |
100 |
78 |
4-18 |
120 |
| 40 |
200 |
145 |
110 |
85 |
4-18 |
140 |
| 50 |
230 |
160 |
125 |
100 |
4-18 |
145 |
| 65 |
290 |
180 |
145 |
120 |
8-18 |
160 |
| 80 |
310 |
195 |
160 |
135 |
8-18 |
170 |
| 100 |
350 |
230 |
190 |
160 |
8-23 |
195 |
| 125 |
400 |
270 |
220 |
188 |
8-25 |
222 |
| 150 |
480 |
300 |
250 |
218 |
8-25 |
255 |
| 200 |
600 |
360 |
310 |
278 |
12-25 |
312 |
| 250 |
730 |
425 |
370 |
332 |
12-30 |
355 |
| 300 |
850 |
485 |
430 |
390 |
16-30 |
410 | |
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