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波纹管平衡式安全阀适用于工作温度≤200℃存在不稳定背压或有毒、腐蚀性介质的设备或管路上，作为超压保护装置。连 接法兰标准≤4MPa采用JB/T……94系列1。＞4MPa按JB/T……94系列2标准。
波纹管平衡式安全阀主要部件材料：
|
NO.
|
零件名称
|
WA42Y-C型材料
|
WA42Y-P型材料
|
WA42Y-R型材料
|
|
1
|
阀体
|
WCB
|
ZG1Cr18Ni8Ti,304
|
CF8M
|
|
2
|
阀座
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
|
3
|
调节圈
|
2Cr13
|
1Cr18Ni8Ti
|
0Cr18Ni12Mo2Ti
|
|
4
|
阀瓣
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
|
5
|
反冲盘
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
|
6
|
波纹管
|
304
|
304
|
316
|
|
7
|
导向套
|
2Cr13
|
1Cr18Ni8Ti
|
0Cr18Ni12Mo2Ti
|
|
8
|
阀盖
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
|
9
|
弹簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
|
密封面材料
|
波纹管平衡式安全阀结构尺寸：
|
型号
|
公称通径
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-ød
|
DN'
|
D1
|
K1
|
g3
|
g2
|
b1
|
f'
|
f1'
|
Z1-ød1
|
L
|
L1
|
≈H
|
|
WA42Y-16 |
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
||||
|
32
|
20
|
140
|
100
|
78
|
18
|
2
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|||||
|
40
|
25
|
150
|
110
|
85
|
18
|
3
|
4-18
|
50
|
165
|
125
|
100
|
18
|
3
|
4-18
|
120
|
110
|
406
|
|||||
|
50
|
32
|
165
|
125
|
100
|
20
|
3
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|||||
|
65
|
40
|
185
|
145
|
120
|
20
|
3
|
4-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|||||
|
80
|
50
|
200
|
160
|
135
|
20
|
3
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|||||
|
100
|
65
|
220
|
180
|
155
|
22
|
3
|
8-18
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|||||
|
125
|
80
|
250
|
210
|
185
|
22
|
3
|
8-18
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
857
|
|||||
|
150
|
100
|
285
|
240
|
210
|
24
|
3
|
8-23
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|||||
|
200
|
125
|
340
|
295
|
265
|
26
|
3
|
12-23
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
|||||
|
WA42Y-25
WA42Y-25P WA42Y-25R |
25
|
16
|
115
|
85
|
65
|
16
|
2
|
4-14
|
32
|
140
|
100
|
78
|
18
|
2
|
4-18
|
110
|
95
|
378
|
||||
|
32
|
20
|
140
|
100
|
78
|
18
|
2
|
4-18
|
40
|
150
|
110
|
85
|
18
|
3
|
4-18
|
115
|
100
|
378
|
|||||
|
40
|
25
|
150
|
110
|
85
|
18
|
3
|
4-18
|
50
|
165
|
125
|
100
|
20
|
3
|
4-18
|
120
|
110
|
406
|
|||||
|
50
|
32
|
165
|
125
|
100
|
20
|
3
|
4-18
|
65
|
185
|
145
|
120
|
20
|
3
|
4-18
|
135
|
120
|
450
|
|||||
|
65
|
40
|
185
|
145
|
120
|
22
|
3
|
8-18
|
80
|
200
|
160
|
135
|
20
|
3
|
8-18
|
160
|
140
|
520
|
|||||
|
80
|
50
|
200
|
160
|
135
|
22
|
3
|
8-18
|
100
|
220
|
180
|
155
|
22
|
3
|
8-18
|
170
|
135
|
525
|
|||||
|
100
|
65
|
230
|
190
|
160
|
24
|
3
|
8-23
|
125
|
250
|
210
|
185
|
22
|
3
|
8-18
|
195
|
175
|
690
|
|||||
|
125
|
80
|
270
|
220
|
188
|
28
|
3
|
8-26
|
150
|
285
|
240
|
210
|
24
|
3
|
8-23
|
210
|
190
|
780
|
|||||
|
150
|
100
|
300
|
250
|
218
|
30
|
3
|
8-26
|
175
|
310
|
270
|
240
|
26
|
3
|
8-23
|
255
|
230
|
838
|
|||||
|
200
|
125
|
360
|
310
|
278
|
34
|
3
|
12-26
|
250
|
405
|
355
|
320
|
30
|
3
|
12-26
|
300
|
260
|
992
|
