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Class 150~2500 A48sC Type Pound-grade full lift spring loadedsafety valve |
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Main property and specification
Normal Pressure |
PN |
150 |
300 |
600 |
900 |
1500 |
2500 |
Body strength |
Ps (MPa) |
3.0 |
7.5 |
15 |
22.5 |
35 |
38 |
set pressure |
Pk (MPa) |
0.1~2 |
1.6~5 |
3.2~10 |
8~15 |
10~25 |
10~25 |
seal pressure |
Pm |
90%Pk |
Reseating pressure |
Ph |
≥90%Pk |
Relieving pressure |
Pp |
≤1.1Pk |
Lift |
H (mm) |
≥1/4 do |
Appropriate temperature |
C |
≤420℃ |
I |
≤500℃ |
V |
≤540℃ |
Appropriate medium |
steam |
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 |
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A48sC-150 (I, V)
A48sC-300 (I, V)
A48sC-600 (I, V)
A48sC-900 (I, V)
A48sC-1500 (I, V) A48sC-2500 (I, V) |
CLAss 150~2500 A48sC Type Pound-grade full lift spring loaded safety valve |
Main Dimension
A48sC150 |
Normal
Diameter DN (in) |
Dimension(mm) |
do |
D |
D1 |
D2 |
b |
t |
z-¢d |
DN’ |
D’ |
D1’ |
D2’ |
b’ |
t’ |
z-¢d’ |
L |
L1 |
H |
1/2"×3/4" |
D |
89 |
60.5 |
35 |
12 |
6 |
4-15 |
20 |
98 |
70 |
43 |
14 |
1.6 |
4-15 |
90 |
90 |
380 |
3/4" ×1" |
D |
98 |
70 |
43 |
14 |
6 |
4-15 |
25 |
108 |
79.5 |
51 |
15 |
1.6 |
4-15 |
96 |
92 |
390 |
1" ×1 1/2" |
D |
108 |
79.5 |
51 |
15 |
7 |
4-15 |
40 |
127 |
98.5 |
73 |
18 |
1.6 |
4-15 |
115 |
105 |
395 |
1" ×2" |
D |
108 |
79.5 |
51 |
15 |
7 |
4-15 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
115 |
105 |
395 |
1 1/2" ×2" |
G |
127 |
98.5 |
73 |
18 |
6 |
4-15 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
121 |
124 |
420 |
1 1/2" ×2 1/2" |
G |
127 |
98.5 |
73 |
18 |
6 |
4-15 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
121 |
124 |
420 |
1 1/2" ×3" |
G |
127 |
98.5 |
73 |
18 |
6 |
4-15 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
124 |
130 |
430 |
2" ×2 1/2" |
H |
152 |
120.5 |
92 |
18 |
6 |
4-19 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
124 |
130 |
460 |
2" ×3" |
J |
152 |
120.5 |
92 |
18 |
6 |
4-19 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
124 |
130 |
460 |
2 1/2" ×4" |
H |
178 |
139.5 |
105 |
20 |
7 |
4-19 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
143 |
137 |
480 |
3" ×4" |
L |
190 |
152.5 |
127 |
22 |
10 |
4-19 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
162 |
156 |
530 |
4" ×6" |
N |
229 |
190.5 |
157 |
24 |
12 |
8-19 |
150 |
279 |
241.5 |
216 |
26 |
1.6 |
8-22 |
229 |
181 |
310 |
6" ×8" |
P |
279 |
241.5 |
216 |
26 |
10 |
8-22 |
200 |
343 |
298.5 |
270 |
29 |
1.6 |
8-22 |
241 |
240 |
780 |
8" ×10" |
R |
343 |
298.5 |
270 |
29 |
10 |
8-22 |
250 |
406 |
362 |
324 |
31 |
1.6 |
12-25 |
279 |
276 |
840 |
12" ×14" |
T |
483 |
432 |
381 |
32 |
10 |
12-25 |
350 |
533 |
476 |
413 |
35 |
1.6 |
12-28 |
370 |
360 |
980 |
A48sC 300, A48sc300I |
Normal
Diameter DN (in) |
Dimension(mm) |
do |
D |
D1 |
D2 |
b |
t |
z-¢d |
DN’ |
D’ |
D1’ |
D2’ |
b’ |
t’ |
z-¢d’ |
L |
L1 |
H |
12/" ×3/4" |
D |
95 |
66.5 |
35 |
15 |
6 |
4-15 |
20 |
98 |
70 |
43 |
14 |
1.6 |
4-15 |
90 |
90 |
380 |
3/4" ×1" |
D |
117 |
82.5 |
43 |
16 |
10 |
4-19 |
25 |
105 |
79.5 |
51 |
15 |
1.6 |
4-15 |
96 |
92 |
390 |
1" ×1 1/2" |
D |
124 |
90 |
51 |
18 |
7 |
4-19 |
40 |
127 |
98.5 |
73 |
18 |
1.6 |
4-15 |
115 |
105 |
395 |
1" ×2" |
D |
124 |
90 |
51 |
18 |
6 |
4-19 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
115 |
105 |
395 |
1 1/2" ×2" |
F |
156 |
114.5 |
73 |
20 |
6 |
4-22 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
121 |
124 |
420 |
1 1/2" ×2 1/2" |
F |
156 |
114.5 |
73 |
20 |
9 |
4-22 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
121 |
124 |
420 |
1 1/2" ×3" |
F |
156 |
114.5 |
73 |
20 |
6 |
4-22 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
124 |
130 |
430 |
2" ×2 1/2" |
H |
165 |
127 |
92 |
22 |
6 |
8-19 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
124 |
130 |
460 |
2" ×3" |
H |
165 |
127 |
92 |
22 |
6 |
8-19 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
124 |
130 |
460 |
2 1/2" ×4" |
J |
190 |
149.5 |
105 |
24 |
7 |
8-22 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
143 |
137 |
480 |
3" ×4" |
L |
210 |
168 |
127 |
28 |
10 |
8-22 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
162 |
156 |
430 |
4" ×6" |
N |
254 |
200 |
157 |
32 |
12 |
8-22 |
150 |
279 |
241.5 |
216 |
26 |
1.6 |
8-22 |
229 |
181 |
610 |
6" ×8" |
P |
318 |
270 |
216 |
38 |
10 |
12-22 |
200 |
343 |
298.5 |
270 |
29 |
1.6 |
8-22 |
241 |
240 |
780 |
8" ×10" |
Q |
381 |
330 |
270 |
42 |
10 |
12-25 |
250 |
406 |
362 |
324 |
31 |
1.6 |
12-25 |
279 |
276 |
840 |
Remark: 150Lb for outlet flange
A48sC600, A48sc600I |
Normal
Diameter DN (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 |
10 |
4-19 |
25 |
108 |
79.5 |
51 |
15 |
1.6 |
4-15 |
96 |
92 |
400 |
1" ×2" |
D |
124 |
90 |
51 |
19 |
6 |
4-19 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
115 |
105 |
420 |
1 1/2" ×2" |
F |
156 |
114.5 |
73 |
22 |
10 |
4-22 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
152 |
124 |
440 |
1 1/2" ×2 1/2" |
F |
156 |
114.5 |
73 |
22 |
9 |
4-22 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
152 |
214 |
440 |
1 1/2" ×3" |
F |
156 |
114.5 |
73 |
22 |
6 |
4-22 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
152 |
124 |
450 |
2" ×2 1/2" |
H |
165 |
127 |
92 |
26 |
6 |
8-19 |
65 |
178 |
139.5 |
105 |
20 |
1.6 |
4-19 |
162 |
154 |
480 |
2" ×3" |
H |
165 |
127 |
92 |
26 |
6 |
8-19 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
162 |
154 |
480 |
2 1/2" ×4" |
H |
190 |
149.5 |
105 |
29 |
7 |
8-22 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
143 |
165 |
490 |
3" ×4" |
K |
210 |
168 |
127 |
32 |
10 |
8-22 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
162 |
155 |
540 |
4" ×6" |
N |
273 |
215.9 |
157 |
38 |
12 |
8-25 |
150 |
279 |
241.5 |
216 |
26 |
1.6 |
8-22 |
210 |
200 |
620 |
6" ×8" |
R |
356 |
292 |
216 |
46 |
10 |
12-28 |
200 |
343 |
298.5 |
270 |
29 |
1.6 |
8-22 |
241 |
240 |
790 |
Remark: 150Lb for outlet flange
WA48sC900, A48sc900I |
Normal
Demeter DN (in) |
Dimension(mm) |
Do |
D |
D1 |
D2 |
b |
t |
z-¢d |
DN’ |
D’ |
D1’ |
D2’ |
B’ |
T’ |
z-¢d’ |
L |
L1 |
H |
1 1/2" ×2" |
F |
178 |
124 |
73 |
32 |
10 |
4-28 |
50 |
152 |
120.5 |
92 |
18 |
1.6 |
4-19 |
115 |
124 |
440 |
2" ×3" |
H |
216 |
165.1 |
92 |
38 |
10 |
8-25 |
80 |
190 |
152.5 |
127 |
22 |
1.6 |
4-19 |
162 |
154 |
480 |
3" ×4" |
J |
241 |
190.5 |
127 |
38 |
10 |
8-25 |
100 |
229 |
190.5 |
157 |
24 |
1.6 |
8-19 |
181 |
184 |
550 |
4" ×6" |
K |
292 |
235 |
150 |
44 |
12 |
8-32 |
150 |
279 |
241.5 |
216 |
26 |
1.6 |
8-22 |
222 |
197 |
630 |
Remark: 150Lb for outlet flange
WA48sc1500, A48sc1500I |
Normal
Demeter DN (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 |
420 |
1 1/2" ×1 1/2" |
E |
178 |
124 |
73 |
32 |
14 |
4-28 |
40 |
156 |
114.5 |
73 |
20 |
1.6 |
4-22 |
150 |
194 |
450 |
1 1/2" ×2" |
E |
178 |
124 |
73 |
32 |
15 |
4-18 |
50 |
165 |
127 |
92 |
22 |
1.6 |
8-19 |
150 |
194 |
450 |
1 1/2" ×3" |
E |
178 |
124 |
73 |
41 |
7 |
4-29 |
80 |
210 |
268.5 |
127 |
31 |
1.6 |
8-22 |
155 |
254 |
450 |
Remark: 300Lb for outlet flange
WA48sC2500, A48sC2500V |
Normal
Demeter DN (in) |
Dimension(mm) |
do |
D |
D1 |
D2 |
b |
t |
z-¢d |
DN’ |
D’ |
D1’ |
D2’ |
b’ |
t’ |
z-¢d’ |
L |
L1 |
H |
1 1/2" ×2 1/2" |
F |
205 |
146 |
73 |
45 |
7 |
4-32 |
65 |
190 |
149 |
105 |
27 |
1.6 |
8-22 |
165 |
140 |
670 |
Remark: 300Lb for outlet flange |
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