Y44H波纹管减压阀主要技术参数
|
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 |
||
*：壳体试验不包括波纹管，壳体耐压试验时，必须取下波纹管组件后进行。
Y44H波纹管减压阀主要零件材料
|
零件名称 |
零件材料 |
|
阀体、阀盖 |
WCB |
|
底盖 |
WCB |
|
阀座、阀瓣 |
2Cr13 |
|
波纹管 |
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 |
|
DN |
15 |
20 |
25 |
32 |
40 |
50 |
65 |
80 |
100 |
|
Cv |
1 |
2.5 |
4 |
6.5 |
9 |
16 |
25 |
36 |
64 |
Y44H波纹管减压阀系列连接尺寸(PN0.6-1.6MPa)
|
公称通径DN
|
外形尺寸
|
连接尺寸
|
|||||||||||||||||
|
|
L
|
H
|
H1
|
PN1.6MPa
|
PN1.6MPa
|
PN1.6MPa
|
|||||||||||||
|
1.0MPa
1.6MPa
|
D
|
K
|
n-Φ
|
d
|
C
|
D
|
K
|
n-Φ
|
d
|
C
|
D
|
K
|
n-Φ
|
d
|
C
|
||||
|
15
|
140
|
290
|
90
|
80
|
55
|
4-12
|
40
|
12
|
95
|
65
|
4-14
|
45
|
12
|
95
|
65
|
4-14
|
45
|
14
|
|
|
20
|
140
|
295
|
98
|
90
|
65
|
4-12
|
50
|
12
|
105
|
75
|
4-14
|
55
|
14
|
105
|
75
|
4-14
|
55
|
14
|
|
|
25
|
160
|
295
|
110
|
100
|
75
|
4-12
|
60
|
14
|
115
|
85
|
4-14
|
65
|
14
|
115
|
85
|
4-14
|
65
|
14
|
|
|
32
|
180
|
295
|
110
|
120
|
90
|
4-14
|
70
|
14
|
135
|
100
|
4-18
|
78
|
16
|
135
|
100
|
4-18
|
78
|
16
|
|
|
40
|
200
|
325
|
125
|
130
|
100
|
4-14
|
80
|
14
|
145
|
110
|
4-18
|
85
|
16
|
145
|
110
|
4-18
|
85
|
16
|
|
|
50
|
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
|
|