CN | EN
CN | EN
Home>Products>Universal valve series>Safety valve

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-ød DN D1 K1 g3 g2 b1 f f1 z1-ød1 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

Related Products

Spring all the rev. Enclosed variable pressure relief valve

Spring all the rev. Enclosed variable…

Bellows seal balance safety valve

Bellows seal balance safety valve

Take the handle all the rev. Type the relief valve spring

Take the handle all the rev. Type the…

Fully open safety valve with radiator spring

Fully open safety valve with radiator…

Shanghai Lidun Valve Manufacturing Co., LTD

Add: No. 175, Lane 250, Fangde Road, Jiading District, Shanghai

Tel: +86-21-51863336

Fax: +86-21-34677003

E-mail: shldv@139.com

Web: Http://www.shldv.com

Fujian plant site：2233 Maosheng Road, Nan 'an City, Fujian Province

Factory telephone：+86-21-31007333

Mobile official website

©Copyright 2023 Shanghai Lidun Valve Manufacturing Co., LTD All rights reserved. Shanghai ICP No.11002428-1 Shanghai Public Network Anbei: 31011402004337Sitemap
Home
Products
Application
Tel