一、簡介:
WA42Y波紋管背壓平衡全啟式安全閥適用于存在變動背壓和有毒易燃的空器設備或管路系統,作為安全保護裝置。波紋管部位能有效的保護彈簧等零件腐蝕,提高產品使用壽命。WA42型波紋管背壓平衡全啟式安全閥適用于存在變動背壓和有毒易燃的空器設備或管路系統,作為安全保護裝置。波紋管部位能有效的保護彈簧等零件腐蝕,提高產品使用壽命。波紋管平衡式安全閥是一種用于有毒有害及易燃易爆介質的壓力管道及容器作為超壓保護裝置,采用不銹鋼成形波紋管,保證介質零外漏,又可平衡安全閥出口的背壓,保證整定壓力的準確性。
二、主要零件材料:
NO.
|
零件名稱
|
WA42Y-C型材料
|
WA42Y-P型材料
|
WA42Y-R型材料
|
1
|
閥體
|
WCB
|
ZG1Cr18Ni8Ti,304
|
CF8M
|
2
|
閥座
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
3
|
調節圈
|
2Cr13
|
1Cr18Ni8Ti
|
0Cr18Ni12Mo2Ti
|
4
|
閥瓣
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
5
|
反沖盤
|
2Cr13
|
1Cr18Ni8Ti
|
316
|
6
|
波紋管
|
304
|
304
|
316
|
7
|
導向套
|
2Cr13
|
1Cr18Ni8Ti
|
0Cr18Ni12Mo2Ti
|
8
|
閥蓋
|
ZG230-450
|
ZG230-450
|
ZG230-450
|
9
|
彈簧
|
50CrVA
|
50CrVA包覆氟塑料
|
50CrVA包覆氟塑料
|
三、主要外形尺寸:
型號
|
公稱通徑
|
do
|
D
|
K
|
g
|
g1
|
b
|
f
|
f1
|
Z-?d
|
DN'
|
D1
|
K1
|
g3
|
g2
|
b1
|
f'
|
f1'
|
Z1-?d1
|
L
|
L1
|
≈H
|
WA42Y-16
WA42Y-16P
WA42Y-16R
|
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
|
WA42Y-40
WA42Y-40P
WA42Y-40R
|
25
|
16
|
115
|
85
|
58
|
65
|
16
|
2
|
4
|
4-14
|
32
|
140
|
100
|
/
|
78
|
18
|
2
|
/
|
4-18
|
110
|
95
|
378
|
32
|
20
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
40
|
150
|
110
|
/
|
85
|
18
|
3
|
/
|
4-18
|
115
|
100
|
378
|
40
|
25
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
50
|
165
|
125
|
/
|
100
|
20
|
3
|
/
|
4-18
|
120
|
110
|
406
|
50
|
32
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
65
|
185
|
145
|
/
|
120
|
20
|
3
|
/
|
4-18
|
135
|
120
|
450
|
65
|
40
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
80
|
200
|
160
|
/
|
135
|
20
|
3
|
/
|
8-18
|
160
|
140
|
520
|
80
|
60
|
200
|
160
|
121
|
135
|
24
|
3
|
4
|
8-18
|
100
|
220
|
180
|
/
|
155
|
22
|
3
|
/
|
8-18
|
170
|
135
|
525
|
100
|
65
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
125
|
250
|
210
|
/
|
185
|
22
|
3
|
/
|
8-18
|
195
|
175
|
690
|
125
|
80
|
270
|
220
|
188
|
176
|
28
|
3
|
4.5
|
8-26
|
150
|
285
|
240
|
/
|
210
|
24
|
3
|
/
|
8-23
|
210
|
190
|
857
|
150
|
100
|
300
|
250
|
204
|
218
|
30
|
3
|
4.5
|
8-26
|
175
|
310
|
270
|
/
|
240
|
26
|
3
|
/
|
8-23
|
255
|
230
|
838
|
200
|
125
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
250
|
405
|
355
|
/
|
320
|
30
|
3
|
/
|
12-26
|
300
|
260
|
992
|
WA42Y-64
WA42Y-64P
WA42Y-64R
|
25
|
16
|
140
|
100
|
58
|
78
|
22
|
2
|
4
|
4-18
|
32
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
110
|
100
|
277
|
32
|
20
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
40
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
130
|
110
|
289
|
40
|
25
|
170
|
125
|
76
|
95
|
24
|
3
|
4
|
4-23
|
50
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
130
|
120
|
319
|
50
|
32
|
180
|
135
|
88
|
105
|
26
|
3
|
4
|
4-23
|
65
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
135
|
130
|
389
|
65
|
40
|
205
|
160
|
110
|
130
|
28
|
3
|
4
|
8-23
|
80
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
175
|
160
|
493
|
80
|
50
|
215
|
170
|
121
|
140
|
30
|
3
|
4
|
8-23
|
100
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
175
|
160
|
483
|
100
|
65
|
250
|
200
|
150
|
168
|
32
|
3
|
4.5
|
8-26
|
125
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-25
|
195
|
195
|
613
|
150
|
100
|
345
|
280
|
204
|
240
|
38
|
3
|
4.5
|
8-34
|
200
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
280
|
265
|
894
|
WA42Y-100
WA42Y-100P
WA42Y-100R
|
25
|
16
|
140
|
100
|
58
|
78
|
24
|
3
|
4
|
4-18
|
32
|
140
|
100
|
66
|
78
|
18
|
2
|
4
|
4-18
|
110
|
100
|
277
|
32
|
20
|
155
|
110
|
66
|
82
|
24
|
2
|
4
|
4-23
|
40
|
150
|
110
|
76
|
85
|
18
|
3
|
4
|
4-18
|
130
|
110
|
289
|
40
|
25
|
170
|
125
|
76
|
95
|
26
|
2
|
4
|
4-23
|
50
|
165
|
125
|
88
|
100
|
20
|
3
|
4
|
4-18
|
130
|
120
|
319
|
50
|
32
|
195
|
145
|
88
|
112
|
28
|
3
|
4
|
4-26
|
65
|
185
|
145
|
110
|
120
|
22
|
3
|
4
|
8-18
|
135
|
130
|
389
|
65
|
32
|
220
|
170
|
110
|
138
|
32
|
3
|
4
|
8-26
|
80
|
200
|
160
|
121
|
135
|
22
|
3
|
4
|
8-18
|
175
|
160
|
493
|
80
|
40
|
230
|
180
|
121
|
148
|
34
|
3
|
4
|
8-26
|
100
|
235
|
190
|
150
|
160
|
24
|
3
|
4.5
|
8-23
|
175
|
160
|
483
|
100
|
50
|
265
|
210
|
150
|
172
|
38
|
3
|
4.5
|
8-30
|
125
|
270
|
220
|
176
|
188
|
28
|
3
|
4.5
|
8-25
|
195
|
195
|
613
|
150
|
80
|
355
|
290
|
204
|
250
|
46
|
3
|
4.5
|
12-34
|
200
|
375
|
320
|
260
|
282
|
38
|
3
|
4.5
|
12-30
|
280
|
265
|
894
|
|