API598 HARD SEAL LIFT CHECK VALVE
1. The product has reasonable structure, reliable sealing, excellent performance and beautiful appearance;
2. The sealing surface of valve disc and valve seat is overlaid with Co based cemented carbide,
which has good wear resistance, corrosion resistance, scratch resistance and long service life;
3. Part materials and flange and gasket dimensions can be reasonably selected according to
actual working conditions or user requirements to meet various engineering needs.
Products Elements
Main performance specifications
Design criteria | GB/T 12235 | |||||
Pressure temperature class | GB/T 12224 | |||||
Structure length | GB/T 12221 | |||||
Flange type and size | GB/T 9113、JB/T 79、EN1092、ASME B16.5/B 16.47 | |||||
Inspection and test | JB/T 9092、GB/T13927、API598 | |||||
Test pressure(MPa) | Nominal pressure | PN1.6 | PN2.5 | PN4.0 | PN6.4 | PN10.0 |
Shell test | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | |
High pressure seal | 1.8 | 2.8 | 4.4 | 7.1 | 11.0 | |
Low pressure seal | 0.6 |
Material of main parts
No. | Part name | carbon steel | stainless steel | Alloy steel | Low temperature steel |
1 | valve body | WCB | CF8 | WC6 | LCB |
2 | Valve disc | WCB/25 | CF8/F304 | WC6/F11 | LCB/LF2 |
3 | shim | Flexible graphite | Flexible graphite | Flexible graphite | Flexible graphite |
4 | Valve cover | WCB | CF8 | WC6 | LCB |
5 | Double end stud | 35CrMoA | 0Cr18Ni9(304) | 25Cr2MoVA | 35CrMoVA |
6 | Nut | 45# | 0Cr18Ni9(304) | 35CrMoA | 45# |
7 | Spring | 60Si2Mn | 0Cr18Ni9(304) | 0Cr18Ni9(304) | 0Cr18Ni9(304) |
Main overall connection dimensions
DN(mm) | L | D | D1 | D2 | b-f | Z- d | H | WT(kg) |
15 | 130 | 95 | 65 | 45 | 16-2 | 4- 14 | 77 | 3 |
20 | 150 | 105 | 75 | 58 | 18-2 | 4- 14 | 77 | 4 |
25 | 160 | 115 | 85 | 68 | 18-2 | 4- 14 | 80 | 5 |
32 | 180 | 140 | 100 | 78 | 18-2 | 4- 18 | 85 | 7 |
40 | 200 | 150 | 110 | 88 | 18-3 | 4- 18 | 95 | 9 |
50 | 230 | 165 | 125 | 102 | 18-3 | 4- 18 | 105 | 10 |
65 | 290 | 185 | 145 | 122 | 18-3 | 8- 18 | 120 | 20 |
80 | 310 | 200 | 160 | 138 | 20-3 | 8- 18 | 130 | 30 |
100 | 350 | 220 | 180 | 158 | 20-3 | 8- 18 | 140 | 39 |
125 | 400 | 250 | 210 | 188 | 22-3 | 8- 18 | 155 | 50 |
150 | 480 | 285 | 240 | 212 | 22-3 | 8- 22 | 180 | 70 |
200 | 600 | 340 | 295 | 268 | 24-3 | 12 22 | 215 | 161 |
250 | 730 | 405 | 355 | 320 | 26-3 | 12- 26 | 260 | 251 |
300 | 850 | 460 | 410 | 378 | 28-4 | 12- 26 | 315 | 395 |
Main overall connection dimensions
DN(mm) | L | D | D1 | D2 | b-f | Z- d | H | WT(kg) |
15 | 130 | 95 | 65 | 45 | 16-2 | 4- 14 | 100 | 3.4 |
20 | 150 | 105 | 75 | 58 | 18-2 | 4- 14 | 105 | 5 |
25 | 160 | 115 | 85 | 68 | 18-2 | 4- 14 | 120 | 5.7 |
32 | 180 | 140 | 100 | 78 | 18-2 | 4- 18 | 130 | 9.1 |
40 | 200 | 150 | 110 | 88 | 18-3 | 4- 18 | 135 | 11.8 |
50 | 230 | 165 | 125 | 102 | 20-3 | 4- 18 | 149 | 14.4 |
65 | 290 | 185 | 145 | 122 | 22-3 | 8- 18 | 160 | 23 |
80 | 310 | 200 | 160 | 138 | 24-3 | 8- 18 | 169 | 30 |
100 | 350 | 235 | 190 | 162 | 24-3 | 8- 18 | 194 | 44 |
125 | 400 | 270 | 220 | 188 | 26-3 | 8- 18 | 222 | 65 |
150 | 480 | 300 | 250 | 218 | 28-3 | 8- 22 | 255 | 99 |
200 | 600 | 360 | 310 | 278 | 30-3 | 12- 22 | 305 | 190 |
250 | 730 | 425 | 370 | 335 | 32-3 | 12- 26 | 355 | 315 |
300 | 850 | 485 | 430 | 395 | 34-4 | 12- 26 | 410 | 450 |
Products Detailes
Certificates
Process
Equipments
Application
Send your message to us:
Write your message here and send it to us