The key to our success is “Good Solution Top quality, Reasonable Value and Efficient Service” for High reputation China Class800 Forged Steel Lift Piston Type/Swing Type Socket Weld Non Return Check Valve A105/F304/F316 NPT/Bw/Sw, We warmly welcome your participation according to mutual rewards from the in close proximity to foreseeable future.
The key to our success is “Good Solution Top quality, Reasonable Value and Efficient Service” for China ANSI Check Valve, Stainless Steel Check Valve, Our company abides by the management idea of “keep innovation, pursue excellence”. On the basis of assuring the advantages of existing merchandise, we continuously strengthen and extend product development. Our company insists on innovation to promote the sustainable development of enterprise, and make us become the domestic high-quality suppliers.
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.
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
Process
Application