由閥體、閥瓣、彈簧等組成,水平或垂直安裝于管路系統(tǒng),防止介質(zhì)倒流
規(guī)格型號 |
閥體 |
閥瓣 |
彈簧 |
SH71H-16Q、H71H-25Q |
QT400-15 |
25 |
50CrCA |
SH71W-25H、H71W-40H |
2Cr13 |
1Cr13 |
1Cr18Ni9Ti |
SH71W-16P、H71W-25P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |
規(guī)格尺寸表:
公稱壓力
MPa
|
公稱通徑
DN |
尺寸(mm) |
L |
D1 |
D2 |
D3 |
D4 |
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 |
- |
◆產(chǎn)品特點
1、具有結(jié)構(gòu)短、體積小、質(zhì)量輕
2、閥瓣關(guān)閉快速,水錘壓力小
3、流道通暢,流體阻力??;動作靈敏,密封性能好.
性能參數(shù)
型號
|
公稱通徑
|
試驗壓力
|
工作溫度
|
適用溫度
|
殼體
|
密封
|
H71H-16Q
|
1.6
|
2.4
|
1.76
|
≤235℃
|
水、蒸氣、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℃
|
H71W-40P
|
≤200℃
|
水、蒸氣
|
主要技術(shù)參數(shù)
型號 |
公稱壓力PN(MPa) |
試驗壓力PS(MPa) |
工作溫度(℃) |
適用介質(zhì) |
殼體 |
密封 |
SH71W-16P |
1.6 |
2.4 |
1.76 |
≤200 |
水、蒸體、油品等 |
SH71H-25Q |
2.5 |
3.75 |
2.75 |
≤235 |
SH71W-25H |
≤300 |
SH71W-25P |
≤200 |
硝酸等腐蝕性介質(zhì) |
SH71W-40H |
4.0 |
6.0 |
4.4 |
≤300 |
水、蒸體、油品等 |
SH71W-40P |
≤200 |
硝酸等腐蝕性介質(zhì) |
規(guī)格型號 |
閥體 |
閥瓣 |
彈簧 |
SH71H-16Q、H71H-25Q |
QT400-15 |
25 |
50CrCA |
SH71W-25H、H71W-40H |
2Cr13 |
1Cr13 |
1Cr18Ni9Ti |
SH71W-16P、H71W-25P |
ZG1Cr18Ni9Ti |
1Cr18Ni9Ti |
1Cr18Ni9Ti |