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| Class 150~1500 A41C Type Pound-grade low lift spring loaded safety valve |
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Main property and specification
| Normal Pressure |
PN |
150 |
300 |
600 |
900 |
1500 |
| Body strength |
Ps (MPa) |
3.0 |
7.5 |
15 |
22.5 |
38 |
| Set pressure |
Pk (MPa) |
0.1~2 |
1.6~5 |
3.2~10 |
8~15 |
10~25 |
| Seal pressure |
Pm |
90%Pk |
| Reseating pressure |
Ph |
≥90%Pk |
| Relieving pressure |
Pp |
≤1.1Pk |
| Lift |
H (mm) |
≥1/20 do |
| Appropriate temperature |
C |
≤300℃ |
| P、R |
≤200℃ |
| Appropriate medium |
Air, Oil, Steam, Water, Corrosive medium |
Code of throat diameter
| Code |
Diameter |
Code |
Diameter |
| D |
10 |
L |
50 |
| 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 |
|
A41C-150 (P, R)
A41C-300 (P, R)
A41C-600 (P, R)
A41C-1500 (P, R) |
Class 150~1500 A41C Type Pound-grade low lift spring loaded safety valve |
Main Dimension
| A41C150, A41C150P, A41C150R |
| Normal Diameter DN (in) |
Dimension(mm) |
| do |
D |
D1 |
D2 |
b |
t |
z-￠d |
DN’ |
D’ |
D1’ |
D2’ |
t’ |
b’ |
z-￠d’ |
L |
L1 |
H |
| 1/2"×1/2" |
D |
89 |
60.5 |
35 |
12 |
6 |
4-15 |
15 |
89 |
60.5 |
35 |
1.6 |
12 |
4-15 |
90 |
90 |
260 |
| 3/4"×1" |
D |
98 |
70 |
43 |
14 |
6 |
4-15 |
25 |
108 |
79.5 |
51 |
1.6 |
15 |
4-15 |
96 |
92 |
280 |
| 1"×1" |
D |
108 |
79.5 |
51 |
15 |
9 |
4-15 |
25 |
108 |
79.5 |
51 |
1.6 |
15 |
4-15 |
100 |
100 |
290 |
| 1"×2" |
E |
108 |
79.5 |
51 |
15 |
9 |
4-15 |
50 |
152 |
120.5 |
92 |
1.6 |
18 |
4-19 |
114 |
105 |
290 |
| 1 1/2"×1 1/2" |
G |
127 |
98.5 |
73 |
18 |
10 |
4-15 |
40 |
127 |
98.5 |
73 |
1.6 |
18 |
4-15 |
110 |
115 |
330 |
| 1 1/2"×2" |
G |
127 |
98.5 |
73 |
18 |
10 |
4-15 |
50 |
152 |
120.5 |
98 |
1.6 |
18 |
4-19 |
110 |
115 |
330 |
| 2"×3" |
J |
152 |
120.5 |
92 |
18 |
10 |
4-19 |
80 |
190 |
152.5 |
127 |
1.6 |
22 |
4-19 |
124 |
130 |
350 |
| A41C300, A41C300P, A41C300R |
| Normal Diameter DN (in) |
Dimension(mm) |
| do |
D |
D1 |
D2 |
b |
t |
z-￠d |
DN’ |
D’ |
D1’ |
D2’ |
t’ |
b’ |
z-￠d’ |
L |
L1 |
H |
| 1/2"×1/2" |
D |
95 |
66.5 |
35 |
15 |
6 |
4-15 |
15 |
89 |
60.5 |
35 |
1.6 |
12 |
4-15 |
90 |
90 |
260 |
| 3/4"×1" |
D |
117 |
85.5 |
43 |
16 |
10 |
4-19 |
25 |
108 |
79.5 |
51 |
1.6 |
15 |
4-15 |
96 |
92 |
280 |
| 1"×1" |
D |
124 |
90 |
51 |
18 |
6 |
4-19 |
25 |
108 |
79.5 |
51 |
1.6 |
15 |
4-15 |
100 |
100 |
290 |
| 1"×2" |
E |
124 |
90 |
51 |
18 |
6 |
4-19 |
50 |
152 |
120.5 |
92 |
1.6 |
18 |
4-19 |
114 |
105 |
290 |
| 1 1/2"×1 1/2" |
G |
156 |
114.5 |
73 |
20 |
9 |
4-22 |
40 |
127 |
98.5 |
73 |
1.6 |
18 |
4-15 |
110 |
115 |
330 |
| 1 1/2"×2" |
G |
156 |
114.5 |
73 |
20 |
9 |
4-22 |
50 |
152 |
120.5 |
92 |
1.6 |
18 |
4-19 |
110 |
115 |
330 |
| 2"×3“ |
J |
165 |
127 |
92 |
22 |
8 |
8-19 |
80 |
190 |
152.5 |
127 |
1.6 |
22 |
4-19 |
124 |
130 |
350 |
Remark: 150Lb for outlet flange
| A41C600, A41C600P, A41C600R |
| Normal DiameterDN (in) |
Dimension(mm) |
| do |
D |
D1 |
D2 |
b |
t |
z-￠d |
DN’ |
D’ |
D1’ |
D2’ |
b’ |
t’ |
z-￠d’ |
L |
L1 |
H |
| 3/4"×1" |
D |
117 |
82.5 |
43 |
16 |
6 |
4-15 |
25 |
108 |
79.5 |
51 |
15 |
1.6 |
4-15 |
105 |
110 |
280 |
| 1" ×2" |
D |
124 |
90 |
51 |
20 |
9 |
4-19 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
115 |
105 |
290 |
| 1 1/2" ×1 1/2" |
F |
156 |
114.5 |
73 |
22 |
10 |
4-22 |
40 |
127 |
98.5 |
73 |
18 |
1.6 |
4-15 |
147 |
165 |
330 |
| 1 1/2" ×2" |
F |
156 |
114.5 |
73 |
22 |
10 |
4-22 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
147 |
165 |
350 |
Remark: 150Lb for outlet flange
| A41C600, A41C600P, A41C600R |
| Normal DiameterDN (in) |
Dimension(mm) |
| do |
D |
D1 |
D2 |
b |
t |
z-￠d |
DN’ |
D’ |
D1’ |
D2’ |
b’ |
t’ |
z-￠d’ |
L |
L1 |
H |
| 1" ×1 1/2" |
D |
150 |
101.6 |
51 |
28 |
15 |
4-25 |
40 |
156 |
114.5 |
73 |
20 |
1.6 |
4-22 |
125 |
125 |
320 |
| 1 1/2" ×1 1/2" |
F |
178 |
124 |
73 |
32 |
14 |
4-28 |
40 |
156 |
114.5 |
73 |
20 |
1.6 |
4-22 |
150 |
194 |
350 |
| 1 1/2" ×2" |
F |
178 |
124 |
73 |
32 |
15 |
4-28 |
50 |
165 |
127 |
92 |
22 |
1.6 |
8-19 |
140 |
105 |
350 |
Remark: 300Lb for outlet flange |
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