Our Product — Check Valve - Flange type silent check valve
● Standards:
-
1. Design and manufacture:API 594
2. Flange dimensions:ASME B16.1/EN1092.
3. Test and inspection:API 598/EN12266.
4. Size up to 12”
● Meterial of main parts
| Part name | Meterial name |
| Valve body | Cast iron or stainless steel |
| Seal packing collar | Ding nitrile rubber(NBR) |
| Spring | Stainless steel wire ICr18Ni9Ti |
● Dimensions
| PN(MPa) | DN(mm) | L | D | K | b | Z-Φd |
| 1.0 | 40 | 112 | 145 | 110 | 18 | 4-Φ18 |
| 50 | 120 | 160 | 125 | 20 | 4-Φ18 | |
| 65 | 130 | 180 | 145 | 20 | 4-Φ18 | |
| 80 | 150 | 195 | 160 | 22 | 8-Φ18 | |
| 100 | 165 | 215 | 180 | 24 | 8-Φ18 | |
| 125 | 190 | 245 | 210 | 26 | 8-Φ18 | |
| 150 | 210 | 280 | 240 | 26 | 8-Φ22 | |
| 200 | 255 | 335 | 295 | 28 | 12-Φ22 | |
| 250 | 310 | 390 | 350 | 28 | 12-Φ22 | |
| 300 | 320 | 440 | 400 | 28 | 12-Φ22 | |
| 350 | 380 | 500 | 460 | 30 | 16-Φ22 | |
| 400 | 405 | 585 | 515 | 32 | 16-Φ22 | |
| 450 | 430 | 615 | 565 | 32 | 20-Φ26 | |
| 500 | 450 | 670 | 620 | 34 | 20-Φ26 | |
| 600 | 510 | 780 | 725 | 36 | 20-Φ26 | |
| 1.6 | 40 | 112 | 145 | 110 | 18 | 4-Φ18 |
| 50 | 120 | 160 | 125 | 20 | 4-Φ18 | |
| 65 | 130 | 180 | 145 | 20 | 4-Φ18 | |
| 80 | 150 | 195 | 160 | 22 | 4-Φ18 | |
| 100 | 165 | 215 | 180 | 24 | 8-Φ18 | |
| 125 | 190 | 245 | 195 | 26 | 8-Φ18 | |
| 150 | 210 | 260 | 215 | 26 | 8-Φ18 | |
| 200 | 255 | 335 | 245 | 30 | 12-Φ26 | |
| 250 | 310 | 405 | 280 | 32 | 12-Φ26 | |
| 300 | 320 | 460 | 335 | 32 | 16-Φ26 | |
| 350 | 380 | 520 | 405 | 36 | 16-Φ26 | |
| 400 | 405 | 580 | 525 | 38 | 16-Φ30 | |
| 450 | 430 | 640 | 585 | 40 | 20-Φ30 | |
| 500 | 450 | 715 | 650 | 42 | 20-Φ33 | |
| 600 | 510 | 840 | 770 | 48 | 20-Φ36 |
