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Balanced Bellows Safety Valves, Full Lift

Technical Data

Balanced Bellows Safety Valves, Full Lift
Balanced Bellows Safety Valves, Full Lift
Pressure Class 150 300 600 1500
Body strength Ps (MPa) 3.0 7.5 15 37.5
Set pressure Pk (MPa) 0.1~2 1.6~5 3.2~10 10~25
Seal pressure Pm 90Pk
Reseating pressure Ph =90Pk
Relieving pressure Pp =1.1Pk
Lift H (mm) =1/4 do
Appropriate temperature C =300°C
P,R =200°C
Appropriate medium C Gas, liquid
P,R Nitric Acid, Acetic Acid,Gas, Liquid

Dimensions (mm)

A42C150, A42C150P,A42C150R
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 89 60.5 35 12 6 4-15 20 98 70 43 14 1.6 4-15 90 90 320
3/4" ×1" D 98 70 43 14 8 4-15 25 108 79.5 51 15 1.6 4-15 96 92 330
1" ×1 1/2" D 108 79.5 51 15 7 4-15 40 127 98.5 73 18 1.6 4-15 115 105 340
1" ×2" D 108 79.5 51 15 7 4-15 50 152 120.5 92 18 1.6 4-19 115 105 340
11/2" ×2" G 127 98.5 73 18 6 4-15 50 152 120.5 92 18 1.6 4-19 121 124 360
11/2" ×2 1/2" G 127 98.5 73 18 6 4-15 65 178 139.5 105 20 1.6 4-19 121 124 380
11/2" ×3" G 127 98.5 73 18 6 4-15 80 190 152.5 127 22 1.6 4-19 124 130 380
2" ×2 1/2" H 152 120.5 92 18 6 4-19 65 178 139.5 105 20 1.6 4-19 124 130 390
2" ×3" J 152 120.5 92 18 6 4-19 80 190 152.5 127 22 1.6 4-19 124 130 390
21/2" ×4" J 178 139.5 105 20 7 4-19 100 229 190.5 157 24 1.6 8-19 143 137 390
3" ×4" L 190 152.5 127 22 10 4-19 100 229 190.5 157 24 1.6 8-19 162 156 460
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 8-22 241 240 780
8" ×10" R 343 298.5 270 29 10 8-22 250 406 362 324 31 1.6 12-25 279 276 820
12" ×14" T 483 432 381 32 12 12-25 350 533 476 416 35 1.6 12-28 370 360 890
A42C300, A42C300P, A42C300R
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 90 320
3/4" ×1" D 117 82.5 43 16 10 4-19 25 108 79.5 51 15 1.6 4-15 96 92 330
1" ×1 1/2" D 124 90 51 18 7 4-19 40 127 98.5 73 18 1.6 4-15 115 105 340
1" ×2" D 124 90 51 18 6 4-19 50 152 120.5 92 18 1.6 4-19 115 105 340
1 1/2" ×2" F 156 114.5 73 20 6 4-22 50 152 120.5 92 18 1.6 4-19 121 124 360
1 1/2" ×2 1/2" F 156 114.5 73 20 9 4-22 65 178 139.5 105 20 1.6 4-19 121 124 380
1 1/2" ×3" F 156 114.5 73 20 6 4-22 80 190 152.5 127 22 1.6 4-19 124 130 380
2" ×2 1/2" H 165 127 92 22 6 8-19 65 178 139.5 105 20 1.6 4-19 124 130 390
2" ×3" H 165 127 92 22 6 8-19 80 190 152.5 127 22 1.6 4-19 124 130 390
2 1/2" ×4" J 190 149.5 105 24 7 8-22 100 229 190.5 157 24 1.6 8-19 143 137 390
3" ×4" L 210 168 127 28 10 8-22 100 229 190.5 157 24 1.6 8-19 162 156 460
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 8 10 12-22 200 343 298.5 324 29 1.6 8-22 241 240 780
8" ×10" R 381 330 270 42 10 12-25 250 406 362 324 31 1.6 12-25 279 276 820
10" ×12" T 445 387.5 324 46 10 16-28 350 533 476 413 35 1.6 12-28 350 330 890
A42C600, A42C600P, A42C600R
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 92 330
1" ×2" D 124 90 51 19 6 4-19 50 152 120.5 92 18 1.6 4-19 115 105 340
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 4-19 152 124 380
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 4-19 162 154 390
2" ×3" H 165 127 92 26 6 8-19 80 190 152.5 127 22 1.6 4-19 162 154 390
2 1/2" ×4" K 190 149.5 105 26 7 8-22 100 229 190.5 157 247 1.6 8-19 143 165 390
3" ×4" K 210 168 127 29 10 8-22 100 229 190.5 157 24 1.6 8-19 162 155 460
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 356 292 216 46 10 12-28 200 343 298.8 270 29 1.6 8-22 241 240 780

Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park

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