Tilting Disc Check Valve
Body: Ductile Iron, Cast Iron
Disc: Ductile Iron, Cast Iron
Shaft: SS420, SS431
Body Seat: SS304
Disc Seal Ring: EPDM, NBR
Retainer Ring: Carbon Steel+ss304
Shaft Bearing: SS304
O Ring: EPDM
Pin: SS420
End Cover: Carbon Steel+Epoxy
Nominal Diameter: DN250 to DN1400
Nominal Pressure: PN1.0 to PN2.5
Design and Manufacture Standard: BS EN12334
Face To Face Standard: EN558-1, DIN3202 F4
Flange Dimension: EN1092, DIN250
 Dimensions                                                             Unit: mm
PN10
| DN | B | B1 | B2 | C1 | C2 | H1 | H2 | H3 | R | R1 | L | n-d |
| 250 | 50 | 330 | 412 | 180 | 100 | 290 | 65 | 6.5 | 195 | – | 165 | 4-23 |
| 300 | 50 | 355 | 446 | 180 | 100 | 320 | 75 | 7.5 | 220 | – | 178 | 4-23 |
| 400 | 50 | 415 | 516 | 200 | 100 | 365 | 105 | 8 | 300 | – | 216 | 4-26 |
| 500 | 80 | 470 | 560 | 230 | 110 | 390 | 112 | 12 | 370 | 700 | 229 | 4-30 |
| 600 | 80 | 530 | 590 | 280 | 110 | 430 | 147 | 18 | 430 | 700 | 267 | 4-30 |
| 700 | 100 | 615 | 705 | 300 | 135 | 485 | 165 | 25 | 500 | 800 | 292 | 4-30 |
| 800 | 100 | 730 | 795 | 350 | 150 | 590 | 190 | 32 | 590 | 875 | 318 | 4-36 |
| 900 | 125 | 840 | 930 | 410 | 170 | 600 | 220 | 38 | 660 | 950 | 330 | 4-36 |
| 1000 | 150 | 960 | 1050 | 445 | 200 | 620 | 245 | 45 | 698 | 1000 | 410 | 4-36 |
| 1200 | 150 | 1000 | 1260 | 530 | 230 | 755 | 287 | 60 | 865 | 1200 | 470 | 4-40 |
| 1400 | 175 | 1100 | 1350 | 530 | 260 | 880 | 362 | 77 | 1000 | 1350 | 530 | 4-40 |
