Flanged Air Vent Check Valve
Hot dip galvanized body vent check valve. Flat face flanged vertical connection.
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Product Parameters
| Flange drilled: | PN10(DN40-DN400) |
| Pressure rating: | PN10(DN40-DN400) |
| Application: | Prevention of sea water backflow in tank ventilation pipe. |
| Material： | Cast steel, galvanised steel |
Product Dimensions
| DN | n x ød | Hcd | øD | L | H | H1 | B |
| 40 | 4×18 | 110 | 150 | 223 | 263 | 222 | 213 |
| 50 | 4×18 | 125 | 165 | 223 | 263 | 222 | 213 |
| 65 | 4×18 | 145 | 185 | 223 | 263 | 222 | 213 |
| 80 | 8×18 | 160 | 200 | 257 | 310 | 255 | 270 |
| 100 | 8×18 | 180 | 220 | 257 | 310 | 255 | 270 |
| 125 | 8×18 | 210 | 250 | 304 | 335 | 280 | 302 |
| 150 | 8×22 | 240 | 285 | 366 | 448 | 356 | 385 |
| 175 | 8×22 | 270 | 315 | 411 | 477 | 392 | 430 |
| 200 | 8×22 | 295 | 340 | 461 | 517 | 425 | 470 |
| 250 | 12×22 | 350 | 395 | 536 | 660 | 530 | 590 |
| 300 | 12×22 | 400 | 445 | 681 | 731 | 585 | 685 |
| 350 | 16×22 | 460 | 505 | 766 | 887 | 700 | 885 |
| 400 | 16×26 | 515 | 565 | 766 | 887 | 700 | 885 |
Drawings
Material Specification
| No | Part | Material |
| 1 | Body | Hot dip galvanised steel |
| 2 | Cover | Hot dip galvanised steel |
| 3 | Screen | Stainless Steel |
| 4 | Screen Clip | Stainless Steel |
| 5 | Flange | Hot dip galvanised steel |
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