主要技术参数
公称压力(MPa)
|
0.6
|
1.0
|
1.6
|
壳体试验压力(MPa)
|
0.9
|
1.5
|
2.4
|
密封试验压力(MPa)
|
0.6
|
1.0
|
1.6
|
最高进口压力(MPa)
|
0.6
|
1.0
|
1.6
|
出口压力范围(MPa)
|
0.05-0.4
|
0.1-0.8
|
0.1-1.0
|
压力特性偏差(MPa)△P2P
|
GB12244-1989
|
||
流量特性偏差(MPa)△P2G
|
GB12244-1989
|
||
最小压差(MPa)
|
0.1
|
0.15
|
0.15
|
渗漏量
|
GB12245-1989
|
主要零件材料
零件名称
|
零件材料
|
阀体、阀盖
|
WCB
|
底盖
|
WCB
|
阀座、阀瓣
|
2Cr13
|
1Cr18N9Ti
|
|
波纹管上垫
|
2Cr13
|
波纹管下垫
|
2Cr13
|
号向座
|
2Cr13
|
主阀弹簧
|
50CrVA
|
调节弹簧
|
60S12Mn
|
流量系数(Cv)
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
Cv
|
1
|
2.5
|
4
|
6.5
|
9
|
16
|
25
|
36
|
64
|
主要外形尺寸
公称通径DN
|
外形尺寸
|
连接尺寸
|
|||||||||||||||||
L
|
H
|
H1
|
PN1.6MPa
|
PN1.6MPa
|
PN1.6MPa
|
||||||||||||||
0.6/1.0MPa
|
1.6MPa
|
D
|
K
|
n-Φ
|
d
|
C
|
D
|
K
|
n-Φ
|
d
|
C
|
D
|
K
|
n-Φ
|
d
|
C
|
|||
15
|
140
|
140
|
290
|
90
|
80
|
55
|
4-12
|
40
|
12
|
95
|
65
|
4-14
|
45
|
12
|
95
|
65
|
4-14
|
45
|
14
|
20
|
140
|
140
|
295
|
98
|
90
|
65
|
4-12
|
50
|
12
|
105
|
75
|
4-14
|
55
|
14
|
105
|
75
|
4-14
|
55
|
14
|
25
|
160
|
160
|
295
|
110
|
100
|
75
|
4-12
|
60
|
14
|
115
|
85
|
4-14
|
65
|
14
|
115
|
85
|
4-14
|
65
|
14
|
32
|
1080
|
180
|
295
|
110
|
120
|
90
|
4-14
|
70
|
14
|
135
|
100
|
4-18
|
78
|
16
|
135
|
100
|
4-18
|
78
|
16
|
40
|
200
|
200
|
325
|
125
|
130
|
100
|
4-14
|
80
|
14
|
145
|
110
|
4-18
|
85
|
16
|
145
|
110
|
4-18
|
85
|
16
|
50
|
230
|
230
|
325
|
125
|
150
|
110
|
4-14
|
90
|
14
|
160
|
125
|
4-18
|
100
|
16
|
160
|
125
|
4-18
|
100
|
16
|
65
|
280
|
325
|
130
|
160
|
130
|
4-14
|
110
|
14
|
180
|
145
|
4-18
|
120
|
18
|
180
|
145
|
4-18
|
120
|
18
|
|
80
|
310
|
380
|
160
|
185
|
150
|
4-18
|
125
|
16
|
195
|
160
|
4-18
|
135
|
18
|
195
|
160
|
8-18
|
135
|
20
|
|
100
|
350
|
380
|
170
|
205
|
170
|
4-18
|
145
|
16
|
215
|
180
|
8-18
|
155
|
20
|
215
|
180
|
8-18
|
155
|
20
|