Tanhov Industrial Co., Ltd.

Tanhov Industrial Co., Ltd.

Type A48SC Safety Valve For High Temperature and High Pressure

Tel:+0086-577-21828858 Fax:+0086-577-21828855
+Add:Sanqiao Industrial Zone,Oubei,Wenzhou,Zhejiang,China
Type A48SC Safety Valve For High Temperature and High Pressure  Series:Steam Safety Valve

Type A48SC - Safety Valve

 

Safety Valves/pressure safety valves, angle type

Full lift safety valve for high temperture and high pressure condition, metal to metal seated, with plain type lever,
Inlet: Flanged connection acc. to ANSI B16.5
Outlet: Flanged connection acc. to ANSI B16.5
Open bonnet, with radiator

 

Applications

Provided as safety device for protection excessive pressure in pressure vessels. Approved for gases, vapours and fluids in high temperature and high pressure condition.

 

Standards Compliance

Design and Manufacture: API RP 520
Face to Face(end to end): API 526
Test and Inspection: API 527
 

 

 

Main property specifiecation

Mormal Pressure PN 150 300 600 900 1500 2500
Body strength Ps(Mpa) 3.0 7.5 15 22.5 38.0 63
Set pressure Pk(Mpa) 0.1-2 1.6-5 3.2-10 8-15 10-25 16-40
Seal pressure Pm(Mpa) 90%Pk
Reseation pressure Ph(Mpa) ≥90%Pk
Relieving Pressure Pp(Mpa) ≤1.03Pk
Lift height H(mm) ≥1/4 d0
Appropriate temp. C ≤420℃
I ≤500℃
V ≤540℃
Appropriate Medium Fluids, 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

 

Materials for main parts

NO Name of part Materials A48SY-C Materials A48SY-I Materials A48SY-V
1 Body WCB WC6 WC9
2 Nozzle WCB+STL WC6+STL WC9+STL
3 Adjusting Ring 420 304 304
4 Disc 17-4PH 304 304
5 Guide sleeve 420 304 304
6 Bonnet WCB WCB WCB
7 Spring ASTM6150 ASTM6150 ASTM6150
8 Stem F6a F6a F6a
9 Adjusting bolt 1045 2Cr13 2Cr13
10 Cap WCB WCB WCB
11 Radiator WCB WC6 WC9
Sealing surface of material "Y" depositing stellite

 

Essential:
Valves are delivered at a set pressure, therefore when ordering
please confirm set pressure, medium and temperature

 

TS
Safety accessory and Safety protection device
Manufacture License of Special Equipment, People's republic of China

 

 

Main Dimensions

A48SC150, A48SC150I, A48SC150V
Nominal Diameter (in) Dimensions(mm)  Inlet flange 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 90 380
3/4" x 1" D 98 70 43 14 5 4-15 25 108 79.5 51 15 1.6 4-15 96 92 390
1" x 11/2" D 108 79.5 51 15 5 4-15 40 127 98.5 73 18 1.6 4-15 115 105 395
1" x 2" D 108 79.5 51 15 5 4-15 50 152 120.5 92 18 1.6 4-19 115 105 395
11/2" x 2" G 127 98.5 73 18 5 4-15 50 152 120.5 92 18 1.6 4-19 121 124 420
11/2" x 21/2" G 127 98.5 73 18 5 4-15 65 178 139.5 105 20 1.6 4-19 121 124 420
11/2" x3" G 127 98.5 73 18 5 4-15 80 190 152.5 127 22 1.6 4-19 124 130 430
2" x21/2" H 152 120.5 92 18 5 4-19 65 178 139.5 105 20 1.6 4-19 124 130 460
2" x 3" J 152 120.5 92 18 5 4-19 80 190 152.5 127 22 1.6 4-19 124 130 460
21/2" x 4" J 178 139.5 105 20 5 4-19 100 229 190.5 157 24 1.6 8-19 143 137 480
3" x 4" L 190 152.5 127 22 5 4-19 100 229 190.5 157 24 1.6 8-19 162 156 430
4" x 6" N 229 190.5 157 24 10 8-19 150 279 241.5 216 26 1.6 8-22 210 197 610
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 12-25 279 276 840
12" x14" T 483 432 381 32 10 12-25 350 533 476 413 35 1.6 12-29 370 360 980
Remark: 150Lb for outlet flange

A48SC300, A48SC300I, A48SC300V
Nominal Diameter (in)  Dimensions(mm)  Inlet flange  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 90 380
3/4" x 1" D 117 82.5 43 16 5 4-19 25 108 79.5 51 15 1.6 4-15 96 92 390
1" x 11/2" D 124 89 51 18 5 4-19 40 127 98.5 73 18 1.6 4-15 115 105 395
1" x 2" D 124 89 51 18 5 4-19 50 152 120.5 92 18 1.6 4-19 115 105 395
11/2" x 2" F 156 114.5 73 20 5 4-22 50 152 120.5 92 18 1.6 4-19 121 124 420
11/2" x 21/2" F 156 114.5 73 20 5 4-22 65 178 139.5 105 20 1.6 4-19 121 124 420
11/2" x3" F 156 114.5 73 20 5 4-22 80 190 152.5 127 22 1.6 4-19 124 130 430
2" x21/2" H 165 127 92 22 5 8-19 65 178 139.5 105 20 1.6 4-19 124 130 460
2" x 3" H 165 127 92 22 5 8-19 80 190 152.5 127 22 1.6 4-19 124 130 460
21/2" x 4" J 190 149 105 24 5 8-22 100 229 190.5 157 24 1.6 8-19 143 137 480
3" x 4" L 210 168.5 127 28 5 8-22 100 229 190.5 157 24 1.6 8-19 162 156 430
4" x 6" N 254 200 157 32 10 8-22 150 279 241.5 216 26 1.6 8-22 210 197 610
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" 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, A48SC600V
Nominal Diameter (in) Dimensions(mm)  Inlet flange  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 118 82.5 43 16 7 4-19 25 108 79.5 51 15 1.6 4-15 96 92 400
1" x 2" D 124 89 51 19 7 4-19 50 152 120.5 92 18 1.6 4-19 115 105 420
11/2" x 2" F 156 114.5 73 22 7 4-22 50 152 120.5 92 18 1.6 4-19 152 124 440
11/2" x 21/2" F 156 114.5 73 22 7 4-22 65 178 139.5 105 20 1.6 4-19 152 124 440
11/2" x3" F 156 114.5 73 22 7 4-22 80 190 152.5 127 22 1.6 4-19 152 124 450
2" x21/2" H 165 127 92 26 7 8-19 65 178 139.5 105 20 1.6 4-19 162 154 480
2" x 3" H 165 127 92 26 7 8-19 80 190 152.5 127 22 1.6 4-19 162 154 480
21/2" x 4" H 190 149 100 29 7 8-22 100 229 190.5 157 24 1.6 8-19 143 165 490
3" x 4" K 210 168 127 32 10 8-22 100 229 190.5 157 24 1.6 8-19 162 155 540
4" x 6" N 273 216 157 38 10 8-25 150 279 241.5 216 26 1.6 8-22 210 200 620
6" x 8" R 356 292 216 46 10 12-29 200 343 298.5 270 29 1.6 8-22 241 240 790
Remark: 150Lb for outlet flange

A48SC900, A48SC900I, A48SC900V
Nominal Diameter (in) Dimensions(mm)   Inlet flange  900Lb
d0 D D1 D2 b t Z-Φd DN' D' D1' D2' b' t Z'-Φd' L L1 H
11/2" x 2" F 178 123.8 73 32 10 4-29 50 152 120.5 92 18 1.6 4-19 165 124 440
2" x 3" H 216 165.1 92 38 10 8-25 80 190 152.5 127 22 1.6 4-19 162 154 480
3" x 4" J 241 190.5 127 38 10 8-25 100 229 190.5 157 24 1.6 8-19 181 184 550
4" x 6" K 292 234.9 157 44 12 8-32 150 279 241.5 216 26 1.6 8-22 222 197 630
Remark: 150Lb for outlet flange

A48SC1500, A48SC1500I, A48SC1500V
Nominal Diameter (in)  Dimensions(mm)  Inlet flange  1500Lb
d0 D D1 D2 b t Z-Φd DN' D' D1' D2' b' t Z'-Φd' L L1 H
1" x 11/2" D 149 101.6 51 28 15 4-25 40 156 114.5 73 20 1.6 4-19 125 125 420
11/2" x 21/2" E 178 123.8 73 32 14 4-28 40 156 114.5 73 20 1.6 4-19 150 194 450
11/2" x 2" E 178 123.8 73 32 15 4-28 50 165 127 92 22 1.6 8-19 150 194 450
11/2" x3" E 178 123.8 73 41 17 4-29 80 210 268.5 127 31 1.6 8-22 155 254 450
Remark: 300Lb for outlet flange

A48SC2500, A48SC2500V
Nominal Diameter (in) Dimensions(mm)  Inlet flange  2500Lb
d0 D D1 D2 b t Z-Φd DN' D' D1' D2' b' t Z'-Φd' L L1 H
11/2" x 21/2" F 205 146.0 73 45 17 4-32 65 190 149 105 27 1.6 8-22 165 140 670
Remark: 300Lb for outlet flange

 

 

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Tel:  86-577-21828858

Mobile:  86-13454845566

Fax:  86-577-21828855

Contact Person:  Jacob Zhou

E-mail:  sales@tanhov.com

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