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Knife gate valve
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Product Feature
Small volume and flow resistance, easy installation and dismantling
Short structure design, saving raw materials and installation space
With lifting wedge design, sundries on the sealing surface can be automatically cleaned up
Special valve for slurry medium pipe
Technical Parameters
Nominal diameter | 50～300 | |
Nominal pressure | 1.0 | |
Testing pressure | Shell(Mpa) | 1.5 |
Seal(Mpa) | 1.1 | |
Suitable temperature | -40°C～200°C | |
Suitable medium | Drinking water、sewage、seawater、food、medicines、gas、oil and acid | |
Main Raw Material
Body&bonnet | wedge | Stem | Seat | Actuator |
CI | SS304L | Stainless steel | EPDM | Handwheel |
DI | stainless steel | customised | NBR | Pneumatic |
Viton | Electric |
Reference Standard
Design standard | EN 593 | |
Testing standard | API 598 | |
End flange standard | DIN 2501 PN10/PN16 | |
Face to face standard | DIN 3202 K1 | |
Overall Dimension and Weight
Size | H | H1 | ∅DP | N-M | L | ||
PN10 | PN16 | PN10 | PN16 | ||||
DN50 | 345 | 283 | 125 | 125 | 4-16 | 4-16 | 18 |
DN65 | 377 | 308 | 145 | 145 | 4-16 | 4-16 | 18 |
DN80 | 429 | 336 | 160 | 160 | 8-16 | 8-16 | 20 |
DN100 | 464 | 362 | 180 | 180 | 8-16 | 8-16 | 20 |
DN125 | 536 | 411 | 210 | 210 | 8-16 | 8-16 | 22 |
DN150 | 637 | 504 | 240 | 240 | 8-20 | 8-20 | 22 |
DN200 | 765 | 606 | 295 | 295 | 8-20 | 12-20 | 24 |
DN250 | 909 | 712 | 350 | 355 | 12-20 | 12-24 | 26 |
DN300 | 1016 | 808 | 400 | 410 | 12-20 | 12-24 | 28 |
