Dual Plate Lug Check Valve
Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze
Disc: Ductile Iron, Stainless Steel, Aluminium Bronze
Spring: Stainless Steel
Stem: Stainless Steel
Seat: EPDM, NBR, VITON, CF8, CF8M
Nominal Diameter: DN50 to DN900
Nominal Pressure: Class 150 to Class 2500
Face to Face Dimension: API 594, ASME B16.10
Flanged End Dimensions: ASME B16.10
Inspection and Test: API 598
Dimensions Unit: mm
Class 150
| DN | L | R | f | D3 | D2 | D1 | d |
| 50 | 60 | 92 | 2 | 51 | 58 | 121 | M16 |
| 65 | 67 | 105 | 2 | 65 | 73 | 140 | M16 |
| 80 | 73 | 127 | 2 | 80 | 88 | 152 | M16 |
| 100 | 73 | 157 | 2 | 102 | 108 | 191 | M16 |
| 125 | 86 | 186 | 2 | 127 | 132 | 216 | M16 |
| 150 | 98 | 216 | 2 | 152 | 160 | 241 | M20 |
| 200 | 127 | 270 | 2 | 203 | 210 | 299 | M20 |
| 250 | 146 | 324 | 2 | 254 | 265 | 362 | M24 |
| 300 | 181 | 381 | 2 | 305 | 310 | 432 | M24 |
| 350 | 184 | 413 | 2 | 350 | 360 | 476 | M27 |
| 400 | 191 | 470 | 2 | 400 | 410 | 540 | M27 |
| 450 | 203 | 533 | 2 | 450 | 460 | 578 | M30 |
| 500 | 219 | 584 | 2 | 500 | 510 | 635 | M30 |
| 600 | 222 | 692 | 2 | 600 | 610 | 749 | M33 |
| 700 | 318 | 692 | 2 | 600 | 610 | 813 | M33 |
| 750 | 305 | 800 | 2 | 685 | 690 | 864 | M33 |
| 800 | 305 | 857 | 2 | 735 | 750 | 914 | M39X3 |
| 900 | 305 | 914 | 2 | 785 | 790 | 978 | M39X3 |
