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DH41F-40P低温止回阀是自动阀门，防止介质倒流，制造过程将零件浸入低温-196℃ "Times New Roman"">的液氮中保冷2 "Times New Roman"">至6小时后取出自然处理，重复循环2 mso-hansi-font-family:"Times New Roman"">次，减少温差和金相组织改变而产生变形，提高阀门在低温时的密封性。用于易燃介质的阀门需防静电设计。
mso-hansi-font-family:"Times New Roman"">产品规范：
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mso-hansi-font-family:"Times New Roman"">公称通径 |
DN50mm～150mm |
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mso-hansi-font-family:"Times New Roman"">公称压力 |
PN4.0MPa |
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mso-hansi-font-family:"Times New Roman"">适用介质 |
mso-hansi-font-family:"Times New Roman"">液氧、液氮、液氩、液化天然气、 mso-hansi-font-family:"Times New Roman"">液态二氧化碳、液态丙烷等 |
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mso-hansi-font-family:"Times New Roman"">适用温度 |
-196℃～+80℃ |
mso-hansi-font-family:"Times New Roman"">主要零部件材料：
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mso-hansi-font-family:"Times New Roman"">阀体 |
ZG0Cr18Ni9 |
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mso-hansi-font-family:"Times New Roman"">阀盖 |
0Cr18Ni9/H62 |
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mso-hansi-font-family:"Times New Roman"">阀瓣 |
0Cr18Ni9/H62 |
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mso-hansi-font-family:"Times New Roman"">填料、密封圈 |
PTFE |
mso-hansi-font-family:"Times New Roman"">外型尺寸与连接尺寸：
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mso-hansi-font-family:"Times New Roman"">产品型号 |
DH41F-40P低温止回阀 |
mso-hansi-font-family:"Times New Roman"">重量 (kg) |
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mso-hansi-font-family:"Times New Roman"">产品代号 |
mso-hansi-font-family:"Times New Roman"">通径 DN(mm) |
mso-hansi-font-family:"Times New Roman"">尺寸(mm) |
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L |
H1 |
D |
D1 |
D2 |
Z-d |
b |
f |
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|
541DH50 |
50 |
230 |
98 |
160 |
125 |
88 |
4-18 |
20 |
3 |
11.6 |
|
541DH65 |
65 |
290 |
98 |
180 |
145 |
110 |
8-18 |
22 |
3 |
15.8 |
|
541DH80 |
80 |
310 |
127 |
200 |
160 |
121 |
8-18 |
24 |
3 |
25.2 |
|
541DH100 |
100 |
350 |
134 |
235 |
190 |
150 |
8-23 |
24 |
3.5 |
35.6 |
|
541DH150 |
150 |
400 |
166 |
300 |
250 |
218 |
8-25 |
26 |
4 |
61.5 |