Tanhov Industrial Co., Ltd.

Tanhov Industrial Co., Ltd.

A42C Conventional Type Safety Valve

Tel:+0086-577-21828858 Fax:+0086-577-21828855
+Add:Sanqiao Industrial Zone,Oubei,Wenzhou,Zhejiang,China
A42C Conventional Type Safety Valve  Series:API 526 Flanged Safety Valve

A42C conventional type Safety Valve

 

Safety Valve/pressure safety valve(PSV)/pressure relief valve(PRV), angle type

full lift safety valve
Conventional type, Standard safety valve for fluids and gas
metal to metal/soft seated
Flanged connection acc. to ANSI B16.5

 

Applications:
Provided as safety device for protection against excessive pressure in pressure vessels 
Approved for  the process conditions without back pressure or with constant back pressure and less than 10% of set pressure 
Working temperatures: -60°C up to +300°C for stainless steel material,  -29°C up to 300°C for cast steel material

 

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 150 300 600 900 150
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 8-25 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
Appropriatetemp. C (WCB)  P, R (SS304, SS316) ≤300℃ ≤200℃ 
Appropriate Medium Air, Oil, 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

 

Materials for main parts

NO Name of part Materials A42C-C Materials A42C-P Materials A42C-R
1 Body WCB CF8 CF8M
2 Nozzle 2Cr13/ 304 CF8 CF8M
3 Adjusting Ring 2Cr13/ 304 304 316
4 Disc 2Cr13/ 304 304 316
5 Guide sleeve 2Cr13/ 304 304 316
6 Bonnet WCB CF8 CF8M
7 Spring ASTM 6150 ASTM 6150 coated teflon ASTM 6150 coated teflon
8 Stem 2Cr13 304 316
9 Adjusting bolt 45 2Cr13 2Cr13
10 Cap A126 CF8 CF8M
11 Bellows 304 316 316
Sealing surface of material: 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

A42C150, A42C150P, A42C150R
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 90 260
3/4" x 1" D 98 70 43 14 5 4-15 25 108 79.5 51 15 1.6 4-15 92 92 280
1" x 11/2" D 108 79.5 51 15 5 4-15 40 127 98.5 73 18 1.6 4-15 105 105 290
1" x 2" D 108 79.5 51 15 5 4-15 50 152 120.5 92 18 1.6 4-19 105 105 290
11/2" x 2" G 127 98.5 73 18 5 4-15 50 152 120.5 92 18 1.6 4-19 124 124 320
11/2" x 21/2" G 127 98.5 73 18 5 4-15 65 178 139.5 105 20 1.6 4-19 124 124 340
11/2" x3" G 127 98.5 73 18 5 4-15 80 190 152.5 127 22 1.6 4-19 130 130 340
2" x21/2" J 152 120.5 92 18 5 4-19 65 178 139.5 105 20 1.6 4-19 130 130 360
2" x 3" J 152 120.5 92 18 5 4-19 80 190 152.5 127 22 1.6 4-19 130 130 360
21/2" x 4" J 178 139.5 105 20 5 4-19 100 229 190.5 157 24 1.6 8-19 137 137 360
3" x 4" L 190 152.5 127 22 5 4-19 100 229 190.5 157 24 1.6 8-19 156 156 450
4" x 6" N 229 190.5 157 24 10 8-19 150 279 241.5 216 26 1.6 8-22 197 197 510
6" x 8" P 279 241.5 216 26 10 8-22 200 343 298.5 270 29 1.6 8-22 240 240 740
8" x10" R 343 298.5 270 29 10 8-22 250 406 362 324 31 1.6 12-25 276 276 810
12" x14" T 483 432 381 32 10 12-25 350 533 476 413 35 1.6 12-29 360 360 860
Remark: 150Lb for outlet flange

A42C300,A42C300P, A42C300R
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 90 260
3/4" x 1" D 117 82.5 43 16 5 4-19 25 108 79.5 51 15 1.6 4-15 96 92 280
1" x 11/2" D 124 89 51 18 5 4-19 40 127 98.5 73 18 1.6 4-15 115 105 290
1" x 2" D 124 89 51 18 5 4-19 50 152 120.5 92 18 1.6 4-19 115 105 290
11/2" x 2" G 156 114.5 73 20 5 4-22 50 152 120.5 92 18 1.6 4-19 121 124 320
11/2" x 21/2" G 156 114.5 73 20 5 4-22 65 178 139.5 105 20 1.6 4-19 121 124 340
11/2" x3" G 156 114.5 73 20 5 4-22 80 190 152.5 127 22 1.6 4-19 124 130 340
2" x21/2" H 165 127 92 22 5 8-19 65 178 139.5 105 20 1.6 4-19 124 130 360
2" x 3" J 165 127 92 22 5 8-19 80 190 152.5 127 22 1.6 4-19 124 130 360
21/2" x 4" J 190 149 105 24 5 8-22 100 229 190.5 157 24 1.6 8-19 143 137 360
3" x 4" L 210 168.5 127 28 5 8-22 100 229 190.5 157 24 1.6 8-19 162 156 450
4" x 6" N 254 200 157 32 10 8-22 150 279 241.5 216 26 1.6 8-22 210 197 510
6" x 8" P 318 270 216 38 10 12-22 200 343 298.5 270 29 1.6 8-22 241 240 740
8" x10" R 381 330 270 42 10 12-25 250 406 362 324 31 1.6 12-25 279 276 810
Remark: 150Lb for outlet flange

A41C600, A41C600P, A41C600R
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 92 290
1" x 2" D 124 89 51 19 7 4-19 50 152 120.5 92 18 1.6 4-19 115 105 290
11/2" x 2" D 156 114.5 73 22 7 4-22 50 152 120.5 92 18 1.6 4-19 152 124 340
11/2" x 21/2" D 156 114.5 73 22 7 4-22 65 178 139.5 105 20 1.6 4-19 152 124 350
11/2" x3" F 156 114.5 73 22 7 4-22 80 190 152.5 127 22 1.6 4-19 152 124 350
2" x21/2" F 165 127 92 26 7 8-19 65 178 139.5 105 20 1.6 4-19 162 154 380
2" x 3" F 165 127 92 26 7 8-19 80 190 152.5 127 22 1.6 4-19 162 154 380
21/2" x 4" H 190 149 100 29 7 8-22 100 229 190.5 157 24 1.6 8-19 143 165 380
3" x 4" L 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 8-22 210 200 520
6" x 8" P 356 292 216 46 10 12-29 200 343 298.5 270 29 1.6 8-22 241 240 750
Remark: 150Lb for outlet flange

A41C900,A41C900P, A41C900R
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" x2" F 178 123.8 73 32 10 4-29 50 152 120.5 92 18 1.6 4-19 115 124 360
2" x 3" H 216 165.1 92 38 10 8-25 80 190 152.5 127 22 1.6 4-19 162 154 390
3" x4" J 241 190.5 127 38 10 8-25 100 229 190.5 157 24 1.6 8-19 181 184 480
4" x6" K 292 234.9 157 44 12 8-32 150 279 241.5 216 26 1.6 8-22 222 197 540
Remark: 150Lb for outlet flange

A41C1500, A41C1500P, A41C1500R
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
3/4" x 1" D 130 88.9 43 20 10 4-22 25 124 89 51 18 1.6 4-19 120 136 310
11/2" x 2" D 178 123.8 73 26 12 4-28 50 165 127 92 22 1.6 8-19 140 105 360
11/2" x 21/2" F 178 123.8 73 26 12 4-28 65 190 149 105 24 1.6 8-22 152 124 360
2" x 3" F 216 165.1 92 32 15 8-25 80 210 168.5 127 28 1.6 8-22 162 154 380
3" x 4" J 267 203.2 127 42 14 8-32 100 254 200 157 32 1.6 8-22 181 184  
Remark: 300Lb for outlet flange
 

 

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