This valve is a movable structure with replaceable rubber sealing rings. The sealing principle is mainly achieved by the close contact between the gate and the rubber sealing ring, thus achieving the sealing effect. The main feature of this structure is that the rubber sealing ring is enclosed in the stepped groove on the valve body, and the sealing ring is fastened by a metal pressure ring, so that the sealing ring will not fall off during the sealing process with the gate switch, and the metal pressure ring can be removed to replace the rubber sealing ring at will. This greatly improves the efficiency of valve usage. It is an economically efficient high-performance product. This series of knife gate valves can be equipped with 8 types of actuators to meet the needs of different working conditions.
Product drawing

Product dimensions
| DN | L | D | D1 | D2 | D0 | N-Th | d | H1 | plate thickness | measured pressure |
| 50 | 48 | 165 | 125 | 99 | F10 | 4-M16 | Ø18 | 342 | 6 | 16 |
| 65 | 48 | 185 | 145 | 118 | F10 | 4-M16 | Ø18 | 370 | 6 | 16 |
| 80 | 51 | 200 | 160 | 132 | F10 | 8-M16 | Ø18 | 405 | 6 | 16 |
| 100 | 51 | 220 | 180 | 156 | F10 | 8-M16 | Ø18 | 456 | 6 | 16 |
| 125 | 57 | 250 | 210 | 184 | F10 | 8-M16 | Ø18 | 505 | 6 | 14 |
| 150 | 57 | 285 | 240 | 211 | F10 | 8-M20 | Ø23 | 550 | 8 | 14 |
| 200 | 70 | 340 | 295 | 266 | F10 | 8-M20 | Ø23 | 650 | 8 | 13 |
| 250 | 70 | 395 | 350 | 319 | F10 | 12-M20 | Ø23 | 760 | 8 | 11 |
| 300 | 76 | 445 | 400 | 370 | F10 | 12-M20 | Ø23 | 820 | 10 | 10 |
| 350 | 76 | 505 | 460 | 429 | F12 | 16-M20 | Ø23 | 890 | 10 | 8 |
| 400 | 89 | 565 | 515 | 480 | F12 | 16-M24 | Ø27 | 960 | 12 | 6 |
| 450 | 89 | 615 | 565 | 530 | F12 | 20-M24 | Ø27 | 1110 | 12 | 6 |
| 500 | 114 | 670 | 620 | 582 | F14 | 20-M24 | Ø27 | 1210 | 14 | 5 |
| 600 | 114 | 780 | 725 | 682 | F16 | 20-M27 | Ø30 | 1390 | 16 | 5 |
| 700 | 127 | 895 | 840 | 794 | F16 | 24-M27 | Ø30 | 1540 | 16 | 4 |
| 800 | 127 | 1015 | 950 | 901 | F20 | 24-M30 | Ø33 | 1710 | 20 | 3.5 |
| 900 | 127 | 1115 | 1050 | 1001 | F20 | 28-M30 | Ø33 | 1880 | 20 | 3 |
| 1000 | 149 | 1230 | 1160 | 1112 | F20 | 28-M33 | Ø36 | 2090 | 22 | 3 |
Product Parts List
| serial number | name | material | quantity |
| 1 | Valve stem protective sleeve | Q235 | 1 |
| 2 | Umbrella worm gear | assembly | 1 |
| 3 | bearing | Gcr15 | 2 |
| 4 | stem nut | 59 copper | 1 |
| 5 | valve stem | 2Cr13/SS304/SS316 | 1 |
| 6 | ram | FS5/FS3/SS304/SS316/2205 | 1 |
| 7 | support | Q235 | 2 |
| 8 | sealing ring | EPDM/NBR/FKM/PTFE | 1 |
| 9 | pressure ring | Q235/SS304 | 1 |
| 10 | Bracket head | cast iron | 1 |
| 11 | layering | GGG40 | 1 |
| 12 | filler | PTFE+BNR | 3-5 |
| 13 | standard parts | Fe+Zn(spray painting)/SS304 | N |
| 14 | valve body | WCB/GGG40/CF8/CF8M | 1 |
Related Information
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