不銹鋼對(duì)夾式止回閥H71W-16P產(chǎn)品簡(jiǎn)介:
不銹鋼對(duì)夾式止回閥H71W-16P連接形式為對(duì)夾連接,閥瓣為升降式結(jié)構(gòu)。不銹鋼對(duì)夾式止回閥除H71W型號(hào),還有H76W,H74W等。本產(chǎn)品有不銹鋼304,304L,316,316L等材料供選擇。
不銹鋼對(duì)夾式止回閥H71W-16P性能參數(shù):
型號(hào) | 公稱壓力PN(MPa) | 試驗(yàn)壓力PS(MPa) | 工作溫度(℃) | 適用介質(zhì) | |
殼體 | 密封 | ||||
H71W-16P | 1.6 | 2.4 | 1.76 | ≤200 | 水、蒸體、油品等 |
H71H-25Q | 2.5 | 3.75 | 2.75 | ≤235 | |
H71W-25H | ≤300 | ||||
H71W-25P | ≤200 | 硝酸等腐蝕性介質(zhì) | |||
H71W-40H | 4.0 | 6.0 | 4.4 | ≤300 | 水、蒸體、油品等 |
H71W-40P | ≤200 | 硝酸等腐蝕性介質(zhì) |
公稱通徑 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 |