Pneumatic Bi Directional Knife Gate Valve
Specification:
Size: DN50 to DN1000
Nominal Pressure: PN6, PN10, PN16.
Flange connection apply for PN6, PN10, PN16.
Pressure rating and temperature:
| Size | Pressure rating | Body seal | Seat seal | Working temperature |
| DN50 – DN200 | PN10 | 15 bar | 10 bar | NBR (-10 – 80oC) |
| DN250-DN300 | PN6 | 9 bar | 6 bar | NBR (-10 – 80oC) |
| DN350 – DN1000 | PN2.5 | 3.75 bar | 2.5 bar |  NBR (-10 – 80oC) |
 Material List:
| Part | Material |
| Body | CF8 / CF8M /Cast Ductile Iron |
| Gate | Stainless steel 304 |
| Seat | NBR |
| Stem | Stainless steel 420 |
| Lead rod | Stainless steel 420 |
| Hand wheel | Steel |
Dimension:
| DN | L | O | D | S | C | f | M-1 | B | H | Kg |
| 50 | 40 | 165 | 125 | 95 | 16 | 2 | 4-M16 | 136 | 430 | 7 |
| 65 | 40 | 185 | 145 | 110 | 16 | 2 | 4-M16 | 151 | 460 | 9 |
| 80 | 50 | 200 | 160 | 127 | 17 | 2 | 8-M16 | 170 | 510 | 12 |
| 100 | 50 | 220 | 180 | 148 | 17 | 2 | 8-M16 | 190 | 570 | 14 |
| 125 | 50 | 250 | 210 | 174 | 17 | 2 | 8-M16 | 212 | 660 | 22 |
| 150 | 60 | 285 | 240 | 199 | 21 | 2 | 8-M20 | 230 | 720 | 25 |
| 200 | 60 | 340 | 295 | 250 | 21 | 2 | 8-M20 | 286 | 890 | 38 |
| 250 | 70 | 395 | 350 | 308 | 24 | 2 | 12-M20 | 338 | 1120 | 65 |
| 300 | 70 | 445 | 400 | 360 | 24 | 2 | 12-M20 | 388 | 1230 | 77 |
| 350 | 96 | 505 | 460 | 416 | 33 | 2 | 16-M20 | 460 | 1370 | 195 |
| 400 | 100 | 565 | 515 | 466 | 35 | 2 | 16-M24 | 520 | 1570 | 240 |
| 450 | 106 | 615 | 565 | 525 | 36 | 2 | 20-M24 | 585 | 1720 | 306 |
| 500 | 110 | 670 | 620 | 584 | 37 | 2 | 20-M24 | 635 | 1850 | 365 |
| 600 | 110 | 780 | 725 | 664 | 37 | 2 | 20-M27 | 720 | 2150 | 420 |
