Flange Check Valveopens and closes automatically by the medium flow pressureValves, mainly used to prevent backflow of the medium, ensuring one-way flow in the piping system. Its structure includes valve body, bonnet and disc, opened and closed by rotation or lifting motion of the disc. widely used in petroleum, chemical, pharmaceutical and power industries, media include water, oil products, steam and acidic liquids, working temperature range from -29℃ to +550℃.
Features
● Check Valveswafer structure, easy to maintain and replace
● Spring spring return , mounting orientation without requirements
● metal hard sealed, suitable for Liquid, Gas( allowing Gas micro-permeation of applications)
● Valve Body Material:Stainless Steel304/CF8
● Flange Material : Stainless Steel 304
● Gasket Material : graphite
Fastener Material: Stainless Steel A2-70
Nominal Pressure (PN): 16bar/25bar
Temperature Range: -45℃～+250℃
● DIN Flange : DIN2633 PN16bar, DIN2634 PN25bar
Specification Table [mm]
| Nominal Pressure (PN) | Flanged check valveValve ManifoldPart Model | Wafer Check Valve models | Gasket models | Nominal DiameterDN | B | S | L | A | Bolt Specification | bolts | C | D |
| 16bar | HR16-DN40-48.3*2.6-SS | H71W-PN25/DN40-SS | FD-DN40-SS | 40 | 48.3 | 2.6 | 123 | 150 | M16*95 | 4 | 35 | 87 |
| HR16-DN50-60.3*2.9-SS | H71W-PN25/DN50-SS | FD-DN50-SS | 50 | 60.3 | 2.9 | 134 | 165 | M16*105 | 4 | 40 | 103 | |
| HR16-DN65-76.1*2.9-SS | H71W-PN25/DN65-SS | FD-DN65-SS | 65 | 76.1 | 2.9 | 143 | 185 | M16*115 | 4 | 49 | 124 | |
| HR16-DN80-88.9*3.2-SS | H71W-PN25/DN80-SS | FD-DN80-SS | 80 | 88.9 | 3.2 | 161 | 200 | M16*125 | 8 | 57 | 138 | |
| HR16-DN100-114.3*3.6-SS | H71W-PN25/DN100-SS | FD-DN100-SS | 100 | 114.3 | 3.6 | 176 | 220 | M16*135 | 8 | 68 | 161 | |
| HR16-DN125-139.7*4.0-SS | H71W-PN25/DN125-SS | FD-DN125-SS | 125 | 139.7 | 4 | 192 | 250 | M16*150 | 8 | 78 | 185 | |
| HR16-DN150-168.3*4.5-SS | H71W-PN25/DN150-SS | FD-DN150-SS | 150 | 168.3 | 4.5 | 209 | 285 | M20*170 | 8 | 95 | 207 | |
| 25bar | HR25-DN40-48.3*2.6-SS | H71W-PN25/DN40-SS | FD-DN40-SS | 40 | 48.3 | 2.6 | 129 | 150 | M16*100 | 4 | 35 | 87 |
| HR25-DN50-60.3*2.9-SS | H71W-PN25/DN50-SS | FD-DN50-SS | 50 | 60.3 | 2.9 | 140 | 165 | M16*110 | 4 | 40 | 103 | |
| HR25-DN65-76.1*2.9-SS | H71W-PN25/DN65-SS | FD-DN65-SS | 65 | 76.1 | 2.9 | 157 | 185 | M16*120 | 4 | 49 | 124 | |
| HR25-DN80-88.9*3.2-SS | H71W-PN25/DN80-SS | FD-DN80-SS | 80 | 88.9 | 3.2 | 177 | 200 | M16*135 | 8 | 57 | 138 | |
| HR25-DN100-114.3*3.6-SS | H71W-PN25/DN100-SS | FD-DN100-SS | 100 | 114.3 | 3.6 | 202 | 235 | M20*150 | 8 | 68 | 161 | |
| HR25-DN125-139.7*4.0-SS | H71W-PN25/DN125-SS | FD40-DN125-SS | 125 | 139.7 | 4 | 218 | 270 | M24*165 | 8 | 78 | 185 | |
| HR25-DN150-168.3*4.5-SS | H71W-PN25/DN150-SS | FD40-DN150-SS | 150 | 168.3 | 4.5 | 249 | 300 | M24*190 | 8 | 95 | 207 |
