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Products>API WA42C balance bellows safety valve

API WA42C balance bellows spring loaded safety valve

Standards Compliance:
Design and Manufacture: API RP 520/ASME VIII
Face to Face(end to end): API 526
Test and Inspection: API 527
Main property specifiecation
Mormal Pressure
PN
150
300
600
900
150
Body strength
Ps(Mpa)
3.0
7.5
15
23
38
Set pressure
Pk(Mpa)
0.1-2
1.6-5
3.2-10
8-25
10-25
Seal pressure
Pm(Mpa)
90%Pk
Reseation pressure
Ph(Mpa)
≥90%Pk
Relieving Pressure
Pp(Mpa)
≤1.1Pk
Lift height
H(mm)
≥1/4 d0
Appropriate       temp.
C (WCB)
P, R (SS304, SS316)
≤300℃
≤200℃ 
Appropriate       Medium
C (WCB)
P, R (SS304, SS316)
Gas, Liquid
Nitric, Acetic Acid, Gas, Liquid
 
 
Code of throat diameter
 
Code
Diameter
Code
Diameter
D
10
L
20
E
13
M
55
F
16
N
60
G
20.5
P
72
H
26
Q
96
J
33
R
115
K
40
T
148

Main Dimensions

WA42C150,W A42C150P, WA42C150R      
Size(in)
Dimensions(mm)   150Lb
d0
D
D1
D2
b
t
Z-Φd
DN'
D'
D1'
D2'
b'
t
Z'-Φd'
L
L1
H
1/2" x 3/4"
D
89
60.5
35
12
5
4-15
20
98
70
43
14
1.6
4-15
90
90
320
3/4" x 1"
D
98
70
43
14
5
4-15
25
108
79.5
51
15
1.6
4-15
96
92
330
1" x 11/2"
D
108
79.5
51
15
5
4-15
40
127
98.5
73
18
1.6
4-15
115
105
340
1" x 2"
D
108
79.5
51
15
5
4-15
50
152
120.5
92
18
1.6
4-19
115
105
340
11/2" x 2"
G
127
98.5
73
18
5
4-15
50
152
120.5
92
18
1.6
4-19
121
124
360
11/2" x 21/2"
G
127
98.5
73
18
5
4-15
65
178
139.5
105
20
1.6
4-19
121
124
380
11/2" x3"
G
127
98.5
73
18
5
4-15
80
190
152.5
127
22
1.6
4-19
124
130
380
2" x21/2"
H
152
120.5
92
18
5
4-19
65
178
139.5
105
20
1.6
4-19
124
130
390
2" x 3"
J
152
120.5
92
18
5
4-19
80
190
152.5
127
22
1.6
4-19
124
130
390
21/2" x 4"
J
178
139.5
105
20
5
4-19
100
229
190.5
157
24
1.6
8-19
143
137
390
3" x 4"
L
190
152.5
127
22
5
4-19
100
229
190.5
157
24
1.6
8-19
162
156
460
4" x 6"
N
229
190.5
157
24
10
8-19
150
279
241.5
216
26
1.6
8-22
210
197
540
6" x 8"
P
279
241.5
216
26
10
8-22
200
343
298.5
270
29
1.6
8-22
241
240
780
8" x10"
R
343
298.5
270
29
10
8-22
250
406
362
324
31
1.6
12-25
279
276
820
12" x14"
T
483
432
381
32
10
12-25
350
533
476
413
35
1.6
12-29
370
360
890
Remark: 150Lb for outlet flange
 
WA42C300, WA42C300P, WA42C300R      
Size(in)
                                                     Dimensions(mm)   300Lb
d0
D
D1
D2
b
t
Z-Φd
DN'
D'
D1'
D2'
b'
t
Z'-Φd'
L
L1
H
1/2" x 3/4"
D
95
66.5
35
15
5
4-15
20
98
70
43
14
1.6
4-15
90
90
320
3/4" x 1"
D
117
82.5
43
16
5
4-19
25
108
79.5
51
15
1.6
4-15
96
92
330
1" x 11/2"
D
124
89
51
18
5
4-19
40
127
98.5
73
18
1.6
4-15
115
105
340
1" x 2"
D
124
89
51
18
5
4-19
50
152
120.5
92
18
1.6
4-19
115
105
340
11/2" x 2"
F
156
114.5
73
20
5
4-22
50
152
120.5
92
18
1.6
4-19
121
124
360
11/2" x 21/2"
F
156
114.5
73
20
5
4-22
65
178
139.5
105
20
1.6
4-19
121
124
380
11/2" x3"
F
156
114.5
73
20
5
4-22
80
190
152.5
127
22
1.6
4-19
124
130
380
2" x21/2"
H
165
127
92
22
5
8-19
65
178
139.5
105
20
1.6
4-19
124
130
390
2" x 3"
H
165
127
92
22
5
8-19
80
190
152.5
127
22
1.6
4-19
124
130
390
21/2" x 4"
J
190
149
105
24
5
8-22
100
229
190.5
157
24
1.6
8-19
143
137
390
3" x 4"
L
210
168.5
127
28
5
8-22
100
229
190.5
157
24
1.6
8-19
162
156
460
4" x 6"
N
254
200
157
32
10
8-22
150
279
241.5
216
26
1.6
8-22
210
197
540
6" x 8"
P
318
270
216
38
10
12-22
200
343
298.5
270
29
1.6
8-22
241
240
780
8" x10"
R
381
330
270
42
10
12-25
250
406
362
324
31
1.6
12-25
279
276
820
10" x12"
T
445
387.5
324
46
10
16-29
350
533
476
413
35
1.6
12-28
350
330
890
Remark: 150Lb for outlet flange
 
WA41C600, WA41C600P, WA41C600R
Size(in)
                                                        Dimensions(mm)   600Lb
d0
D
D1
D2
b
t
Z-Φd
DN'
D'
D1'
D2'
b'
t
Z'-Φd'
L
L1
H
3/4" x 1"
D
117
82.5
43
16
7
4-19
25
108
79.5
51
15
1.6
4-15
96
92
330
1" x 2"
D
124
89
51
19
7
4-19
50
152
120.5
92
18
1.6
4-19
115
105
340
11/2" x 2"
F
156
114.5
73
22
7
4-22
50
152
120.5
92
18
1.6
4-19
152
124
360
11/2" x 21/2"
F
156
114.5
73
22
7
4-22
65
178
139.5
105
20
1.6
4-19
152
124
380
11/2" x3"
F
156
114.5
73
22
7
4-22
80
190
152.5
127
22
1.6
4-19
152
124
380
2" x21/2"
H
165
127
92
26
7
8-19
65
178
139.5
105
20
1.6
4-19
162
154
390
2" x 3"
H
165
127
92
26
7
8-19
80
190
152.5
127
22
1.6
4-19
162
154
390
21/2" x 4"
K
190
149
100
29
7
8-22
100
229
190.5
157
24
1.6
8-19
143
165
390
3" x 4"
K
210
168
127
32
10
8-22
100
229
190.5
157
24
1.6
8-19
162
155
460
4" x 6"
N
273
216
157
38
10
8-25
150
279
241.5
216
26
1.6
8-22
210
200
540
6" x 8"
P
356
292
216
46
10
12-29
200
343
298.5
270
29
1.6
8-22
241
240
780
Remark: 150Lb for outlet flange


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