|
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
|
|||
主要零件材料
|
型号
|
阀瓣
|
弹簧
|
|
|
H71H-16Q H71H-25Q
|
QT400-15
|
25
|
50CrVA
|
|
H71W-25H H71W-40H
|
2Cr13
|
1Cr13
|
1Cr18Ni9
|
|
H71W-25P H71W-40P
|
ZG1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
1Cr18Ni9Ti
|
主要外形尺寸
|
公称通径
|
L
|
D
|
公称通径
|
L
|
D
|
||||
|
1.6
|
2.5
|
4.0
|
1.6
|
2.5
|
4.0
|
||||
|
15
|
25
|
48
|
48
|
48
|
80
|
71
|
140
|
140
|
140
|
|
20
|
31.5
|
58
|
58
|
58
|
100
|
80
|
160
|
165
|
165
|
|
25
|
35.5
|
68
|
68
|
68
|
125
|
110
|
190
|
195
|
195
|
|
32
|
40
|
80
|
80
|
870
|
150
|
125
|
215
|
225
|
225
|
|
40
|
45
|
90
|
90
|
90
|
200
|
160
|
270
|
285
|
390
|
|
50
|
56
|
105
|
105
|
105
|
250
|
200
|
330
|
340
|
350
|
|
65
|
63
|
125
|
125
|
125
|
300
|
250
|
385
|
400
|
415
|
