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Knife Gate Valve

Manual Knife Gate Valve
Nominal Diameter
DN65~DN300
Nominal Pressure
1.0Mpa,1.6Mpa,2.5Mpa,4.0Mpa
Working temmperature<200℃
Applicable Medium
Slag water
Others
Special size,color can be made according to customer’s requirement.

Quality Assurance

We have a dedicated quality control team and advanced testing equipment to ensure consistent product quality.

Timely Delivery

With reliable raw material suppliers and streamlined production processes, we guarantee on-time delivery.

Excellent After-Sales Service

Our team of valve experts provide impeccable after-sales support

Certifications

Our products hold up to 10 international authoritative certification certificates, ensuring compliance with global standards.

联系方式

Knife Gate Valve is specifically engineered for demanding industrial applications involving slurry, pulp, powder, and wastewater. Its compact structure and sharp-edged gate allow it to cut through thick or solid-laden media, making it ideal for industries such as mining, paper, chemical processing, and sewage treatment.

This knife gate valve features a one-piece body, corrosion-resistant coating, and a stainless steel or alloy blade for long-lasting durability. Its unidirectional shut-off design minimizes pressure loss while ensuring a tight seal, even under tough flow conditions. The non-clogging structure and low operating torque make it highly suitable for systems with limited maintenance access.

Available with various actuation options—manual handwheel, pneumatic, or electric—the knife gate valve can be adapted for both remote control and manual operation. It supports installation between flanges using wafer or lug-type connections, depending on system requirements.

As a trusted valve manufacturer in China, we produce all knife gate valves according to international standards such as DIN, and ISO. They are pressure-tested and inspected before shipment to ensure performance and reliability.

Choose our knife gate valve to ensure smooth, safe, and efficient flow control in harsh industrial environments. It’s a reliable solution for handling abrasive and viscous media with ease.

 

Knife gate valve Drawing

STANDARD MATERIALS OF MAIN PARTS

NO PART NAME MATERIAL
1 Body Ductile lron
2 Oring NBR
3 Sealing NBR/EPDM
4 Disc 316
5 Packing PTFE
6 Gland WCB
7 Bolt 201
8 Nut/Bolt 201
9 Pin 201
10 Split pin 200
11 Yoke A3
12 Stem 2cr13
13 Yoke Head WCB
14 Stem Nut Brass
15 Bearing Zchsnsb10-6
16 Yoke head cao WCB
17 Nut 201
18 Handwheel Ductile lron

DIMENSIONS:(mm)

DN SIZE
L D D1 D2 D0 N-Th d H H1
65 48 185 145 118 180 4-M16 Ø18 335 415
80 51 200 160 132 220 8-M16 Ø18 360 455
100 51 220 180 156 240 8-M16 Ø18 400 515
125 57 250 210 184 240 8-M16 Ø18 455 595
150 57 285 240 212 280 8-M20 Ø23 510 675
200 60 340 295 266 300 12-M20 Ø23 585 805
250 70 405 355 319 320 12-M24 Ø27 695 965
300 76 460 410 370 320 12-M24 Ø27 765 1085
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Knife Gate Valve

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