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CN | EN

High temperature and high pressure spring full open safety valve

Technical Parameters

Product model: A48Y/A48SB
Nominal diameter: DN25-200mm
Nominal pressure: PN6.4~16.0MPa
Applicable temperature: -29 ° C~550 ° C
Applicable medium: steam, condensate

Product Details

Overview

High temperature and high pressure spring fully open safety valves are suitable for steam and other medium equipment or pipelines with operating temperatures of "C type" ≤ 425 ℃; "I type" ≤ 500 ℃; and "V type" ≤ 500 ℃. They are used as overpressure protection devices. The connection flange standard is in accordance with JB/T 94 series 1 and 2.


Main overall connection dimensions

model DN do D K g g1 b f f1 Z-?d DN D1 K1 g3 g2 b1 f f1 z1-?d1 L L1 ≈H
A48Y-16C
A48Y-16I
A48Y-16V 		40 25 150 110
85 18 3
4-18 50 165 125
100 20 3
4-18 120 115 540
50 32 165 125
100 20 3
4-18 65 185 145
120 20 3
4-18 135 120 618
65 40 185 145
120 20 3
4-18 80 200 160
135 20 3
8-18 160 140 710
80 50 200 160
135 20 3
8-18 100 220 180
155 22 3
8-18 160 150 730
100 65 220 180
155 20 3
8-18 150 285 240
210 24 3
8-23 225 175 892
150 100 285 240
210 24 3
8-23 200 340 295
265 26 3
12-23 240 235 1135
200 125 340 295
265 26 3
12-23 250 405 355
320 30 3
12-26 290 210 1135
A48Y-40
A48Y-40I
A48Y-40V 		25 16 115 85 58 65 16 2 4 4-14 32 140 100
78 18 2
4-18 110 95 429
32 20 140 100 66 78 18 2 4 4-18 40 150 110
85 18 3
4-18 115 100 421
40 25 150 110 76 85 18 3 4 4-18 50 165 125
100 20 3
4-18 120 115 540
50 32 165 125 88 100 20 3 4 4-18 65 185 145
120 20 3
4-18 135 120 618
65 40 185 145 110 120 22 3 4 8-18 80 200 160
135 20 3
8-18 160 140 710
80 50 200 160 121 135 22 3 4 8-18 100 220 180
155 22 3
8-18 160 150 730
100 65 235 190 150 160 24 3 4.5 8-23 150 285 240
210 24 3
8-23 225 175 892
150 100 300 250 204 218 30 3 4.5 8-26 200 340 295
265 26 3
12-23 240 235 1135
200 125 375 320 260 282 38 3 4.5 12-30 250 405 355
320 30 3
12-26 290 310 1135
A48Y-64
A48SB-64
A48Y-64I A48SB-64I
A48Y -64V
A48SB-64V 		25 16 140 100 58 78 22 2 4 4-18 32 140 100 66 78 18 2 4 4-18 110 100 429
32 20 155 110 66 82 24 2 4 4-23 40 150 110 76 85 18 3 4 4-18 130 110 421
40 25 170 125 76 95 24 3 4 4-23 50 165 125 88 100 20 3 4 4-18 135 120 540
50 32 180 135 88 105 26 3 4 4-23 65 185 145 110 120 22 3 4 8-18 160 130 618
50 32 180 135 88 105 26 3 4 4-23 80 200 160 121 135 22 3 4 8-18 160 145 710
65 40 205 160 110 130 28 3 4 8-23 80 200 160 121 135 22 3 4 8-18 175 160 710
80 50 215 170 121 140 30 3 4 8-23 100 235 190 150 160 24 3 4.5 8-23 175 160 730
100 65 250 200 150 168 32 3 4.5 8-26 125 270 220 176 188 28 3 4.5 8-25 220 200 800
100 65 250 200 150 168 32 3 4.5 8-26 150 300 250 204 218 30 3 4.5 8-26 220 200 892
150 100 345 280 204 240 38 3 4.5 8-34 200 375 320 260 282 38 3 4.5 12-30 280 280 1135
200 125 405 345 260 300 44 3 4.5 12-36 250 450 385 313 345 42 3 4.5 12-34 300 295 1135
A48Y-100
A48SB-100
A48Y-100I
A48SH-100I
A48Y-100V
A48SB-100V 		25 16 140 100 58 78 24 2 4 4-18 32 140 100 66 78 18 2 4 4-18 110 100 429
32 20 155 110 66 82 24 2 4 4-23 40 150 110 76 85 18 3 4 4-18 130 110 421
40 25 170 125 76 95 26 3 4 4-23 50 165 125 88 100 20 3 4 4-18 135 120 540
50 32 195 145 88 112 28 3 4 4-26 65 185 145 110 120 22 3 4 8-18 160 130 618
50 32 195 145 88 112 28 3 4 4-26 80 200 160 121 135 22 3 4 8-18 160 145 710
65 32 220 170 110 138 32 3 4 8-26 80 200 160 121 135 22 3 4 8-18 175 160 710
80 40 230 180 121 148 34 3 4 8-26 100 235 190 150 160 24 3 4.5 8-23 175 160 730
100 50 265 210 150 172 38 3 4.5 8-30 125 270 220 176 188 28 3 4.5 8-25 220 200 800
100 50 265 210 150 172 38 3 4.5 8-30 150 300 250 204 218 30 3 4.5 8-26 220 200 892
150 80 355 290 204 250 46 3 4.5 12-34 200 375 320 260 282 38 3 4.5 12-30 280 280 1135
200 125 430 360 260 312 54 3 4.5 12-36 250 450 385 313 345 42 3 4.5 12-34 300 295 1135
A48SH-40 50 32 160 125 88 105 38 3 4 4-18 80 195 160 / 135 20 3 / 8-18 124 137 525
A48TH-100 50 32 195 145 88 112 50 3 4 4-26 80 200 160 121 135 22 3 4.5 8-18 160 145 580
A48SB-160 80 40 260 205 121 168 65 15 4 8-30 150 300 250 204 218 30 3 4.5 8-25 215 210 1175

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