Shanghai Yihuan fluid control equipment Co., Ltd.

Safety Relief Valve, Opened

Technical Data

Safety Relief Valves, Opened
Safety Relief Valves, Opened
Pressure Class 150 300 600
Body strength Ps (MPa) 3.0 7.5 15
Set pressure Pk (MPa) 0.1~2 1.6~5 3.2~10
Seal pressure Pm 90Pk
Reseating pressure Ph =90Pk
Relieving pressure Pp =1.1Pk
Lift H (mm) =1/4 do
Appropriate temperature =350°C
Appropriate medium Steam

Dimensions (mm)

A48C150
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 90 290
3/4'' ×1'' D 98 70 43 14 6 4-15 25 108 79.5 51 15 1.6 4-15 96 92 310
1'' ×1 1/2'' D 108 79.5 51 15 7 4-15 40 127 98.5 73 18 1.6 4-15 115 105 320
1'' ×2'' D 108 79.5 51 15 7 4-15 50 152 120.5 92 18 1.6 4-19 115 105 320
1 1/2'' ×2'' G 127 98.5 73 18 6 4-15 50 152 120.5 92 18 1.6 4-19 121 124 350
1 1/2'' ×2 1/2'' G 127 98.5 73 18 6 4-15 65 178 139.5 105 20 1.6 4-19 121 124 360
1 1/2'' ×3'' G 127 98.5 73 18 6 4-15 80 190 152.5 127 22 1.6 4-19 124 130 360
2'' ×2 1/2'' H 152 120.5 92 18 6 4-19 65 178 139.5 105 20 1.6 4-19 124 130 380
2'' ×3'' J 152 120.5 92 18 6 4-19 80 190 152.5 127 22 1.6 4-19 124 130 380
2 1/2'' ×4'' J 178 139.5 105 20 7 4-19 100 229 190.5 157 24 1.6 8-19 143 137 380
3'' ×4'' L 190 152.5 127 22 10 4-19 100 229 190.5 157 24 1.6 8-19 162 156 480
4'' ×6'' N 229 190.5 157 24 12 8-19 150 279 241.5 216 26 1.6 8-22 229 181 540
6'' ×8'' P 279 241.5 216 26 10 8-22 200 343 298.5 270 29 1.6 8-22 241 240 760
8'' ×10'' R 343 298.5 270 29 10 8-22 250 406 362 324 31 1.6 12-25 279 276 830
12'' ×14'' T 483 432 381 32 10 12-25 350 533 476 413 35 1.6 12-28 370 360 890
A48C300
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 90 290
3/4'' ×1'' D 117 82.5 43 16 10 4-19 25 105 79.5 51 15 1.6 4-15 96 92 310
1'' ×1 1/2'' D 124 90 51 18 7 4-19 40 127 98.5 73 18 1.6 4-15 115 105 320
1'' ×2'' D 124 90 51 18 6 4-19 50 152 120.5 92 18 1.6 4-19 115 105 320
1 1/2'' ×2'' F 156 114.5 73 20 6 4-22 50 152 120.5 92 18 1.6 4-19 121 124 350
1 1/2'' ×2 1/2'' F 156 114.5 73 20 9 4-22 65 178 139.5 105 20 1.6 4-19 121 124 360
1 1/2'' ×3'' F 156 114.5 73 20 6 4-22 80 190 152.5 127 22 1.6 4-19 124 130 360
2'' ×2 1/2'' H 165 127 92 22 6 8-19 65 178 139.5 105 20 1.6 4-19 124 130 380
2'' ×3'' H 165 127 92 22 6 8-19 80 190 152.5 127 22 1.6 4-19 124 130 380
2 1/2'' ×4'' J 190 149.5 105 24 7 8-22 100 229 190.5 157 24 1.6 8-19 143 137 380
3'' ×4'' L 210 168 127 28 10 8-22 100 229 190.5 157 24 1.6 8-19 162 156 480
4'' ×6'' N 254 200 157 32 12 8-22 150 279 241.5 216 26 1.6 8-22 229 181 540
6'' ×8'' P 318 270 216 38 10 12-22 200 343 298.5 270 29 1.6 8-22 241 240 760
8'' ×10'' R 381 330 270 42 10 12-25 250 406 362 324 31 1.6 12-25 279 276 830
A48C600
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 92 310
1'' ×2'' D 124 90 51 19 6 4-19 50 152 120.5 92 18 1.6 4-19 115 105 320
1 1/2'' ×2'' F 156 114.5 73 22 10 4-22 50 152 120.5 92 18 1.6 4-19 152 124 360
1 1/2'' ×2 1/2'' F 156 114.5 73 22 9 4-22 65 178 139.5 105 20 1.6 4-19 152 214 380
1 1/2'' ×3'' F 156 114.5 73 22 6 4-22 80 190 152.5 127 22 1.6 4-19 152 124 380
2'' ×2 1/2'' H 165 127 92 26 6 8-19 65 178 139.5 105 20 1.6 4-19 162 154 410
2'' ×3'' H 165 127 92 26 6 8-19 80 190 152.5 127 22 1.6 4-19 162 154 410
2 1/2'' ×4'' K 190 149.5 105 29 7 8-22 100 229 190.5 157 24 1.6 8-19 143 165 410
3'' ×4'' K 210 168 127 32 10 8-22 100 229 190.5 157 24 1.6 8-19 162 155 480
4'' ×6'' N 273 215.9 157 38 12 8-25 150 279 241.5 216 26 1.6 8-22 210 200 540
6'' ×8'' P 292 292 216 46 10 12-28 200 343 298.5 270 29 1.6 8-22 241 240 760