| 规格型号 | 阀体 | 阀瓣 | 弹簧 |
| 71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA |
| 71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
| 71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
|
型号
|
公称通径
|
试验压力
|
工作温度
|
适用温度
|
|
|
壳体
|
密封
|
||||
|
H71H-16Q
|
1.6
|
2.4
|
1.76
|
≤235℃
|
水、蒸气、油品等
|
|
H71H-25Q
|
2.5
|
3.75
|
2.75
|
≤235℃
|
|
|
H71W-25H
|
≤300℃
|
||||
|
H71W-25P
|
≤200℃
|
硝酸等腐蚀性介质
|
|||
|
H71W-40H
|
4.0
|
6.0
|
4.4
|
≤300℃
|
|
|
H71W-40P
|
≤200℃
|
水、蒸气
|
|||
| 型号 | 公称压力PN(MPa) | 试验压力PS(MPa) | 工作温度(℃) | 适用介质 | |
| 壳体 | 密封 | ||||
| H71W-16P | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸体、油品等 |
| H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | |
| H71W-25H | ≤300 | ||||
| H71W-25P | ≤200 | 硝酸等腐蚀性介质 | |||
| H71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸体、油品等 |
| H71W-40P | ≤200 | 硝酸等腐蚀性介质 | |||
| 规格型号 | 阀体 | 阀瓣 | 弹簧 |
| H71H-16Q、H71H-25Q | QT400-15 | 25 | 50CrCA |
| H71W-25H、H71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9Ti |
| H71W-16P、H71W-25P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
不锈钢对夹式止回阀尺寸表:
|
公称通径 DN(mm) |
L |
D
|
||
|
1.6 |
2.5 |
4.0 |
||
|
15 |
25 |
48 |
48 |
48 |
|
20 |
31.5 |
58 |
58 |
58 |
|
25 |
35.5 |
68 |
68 |
68 |
|
32 |
40 |
80 |
80 |
80 |
|
40 |
45 |
90 |
90 |
90 |
|
50 |
56 |
105 |
105 |
105 |
|
65 |
63 |
125 |
125 |
125 |
|
80 |
71 |
140 |
140 |
140 |
|
100 |
80 |
160 |
165 |
165 |
|
125 |
110 |
190 |
195 |
195 |
|
150 |
125 |
215 |
225 |
225
|
|
200 |
160 |
270 |
285 |
290
|
|
250 |
200 |
330 |
340 |
350 |
|
300 |
250 |
385 |
400 |
415 |
| 品牌: | 温州上阀阀门有限公司 |
| 型号: | H71W-16P H71W-25P |
| 加工定制: | 否 |
| 材质: | 不锈钢 |
| 连接形式: | 对夹 |
| 种类: | NRVG静音式 |
| 公称通径: | 50 mm |
| 适用介质: | 水;蒸汽;油品;各种高腐蚀化学介质 |