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全銅對夾升降式止回閥H71W-16T
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◆ 主要技術參數：
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型號
|
公稱壓力PN(MPa)
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試驗壓力PS(MPa)
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工作溫度(℃)
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適用介質
|
|
殼體
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密封
|
|
H71W-16T
|
1.6
|
2.4
|
1.76
|
≤200
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水、蒸體、油品等
|
|
H71H-25Q
|
2.5
|
3.75
|
2.75
|
≤235
|
|
H71W-25H
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≤300
|
|
H71W-25P
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≤200
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硝酸等腐蝕性介質
|
|
H71W-40H
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4.0
|
6.0
|
4.4
|
≤300
|
水、蒸體、油品等
|
|
H71W-40P
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≤200
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硝酸等腐蝕性介質
|
|
|
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規格型號
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閥體
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閥瓣
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彈簧
|
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RH71W-25H、RH71W-40H
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2Cr13
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1Cr13
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1Cr18 Ni9Ti
|
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RH71W-16P、RH71W-25P
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ZG1Cr18 Ni9Ti
|
1Cr18 Ni9Ti
|
1Cr18 Ni9Ti
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|
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公稱壓力
MPa
|
公稱通徑
DN
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尺寸（mm）
|
|
L
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D1
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D2
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D3
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D4
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D5
|
|
PN1.0MPa
PN1.6MPa
|
15
|
16
|
52
|
15
|
24
|
31
|
40
|
|
20
|
19
|
62
|
19
|
30
|
40
|
50
|
|
25
|
22
|
72
|
24
|
35
|
47
|
58
|
|
32
|
28
|
83
|
31
|
46
|
56
|
68
|
|
40
|
31.5
|
93
|
39
|
55
|
66
|
78
|
|
50
|
40
|
108
|
48
|
65
|
78
|
90
|
|
65
|
46
|
128
|
62
|
80
|
95
|
110
|
|
80
|
50
|
142
|
76
|
96
|
110
|
128
|
|
100
|
60
|
162
|
95
|
115
|
132
|
150
|
|
125
|
90
|
192
|
110
|
125
|
135
|
-
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