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Knife Gate Valve

Specification of Knife Gate Valve

ParameterValue
Valve TypeWafer Type, Lug Type, Flanged Type
Size Range2"–48" (DN50–DN1200)
Pressure RatingPN10, PN16, Class 150
Body MaterialCast Iron, Ductile Iron, Carbon Steel, Stainless Steel (CF8, CF8M, WCB), Duplex Stainless Steel
Gate MaterialStainless Steel 304, Stainless Steel 316, Duplex Stainless Steel
Seat MaterialNBR, EPDM, PTFE, Metal Seat
Stem MaterialStainless Steel 304/316
Connection TypeWafer, Lug, Flanged
End StandardEN 1092-1, ASME B16.5, JIS B2220
Face-to-Face StandardMSS SP-81, EN 558 Series 20
Design StandardMSS SP-81
Inspection & TestingMSS SP-81, API 598
Temperature Range–29 °C ~ +650 °C (Depending on Seat Material)
Flow DirectionUni-directional or Bi-directional
Leakage ClassBubble-tight Resilient Seat / Metal Seat Available
OperationHandwheel, Bevel Gear, Chain Wheel, Pneumatic Actuator, Electric Actuator, Hydraulic Actuator
Applicable MediaSlurry, Wastewater, Sewage, Pulp, Paper Stock, Powder, Ash, Bulk Solids, Viscous Fluids
ApplicationsMining, Wastewater Treatment, Pulp & Paper, Chemical Processing, Cement, Power Plant, Sugar Industry, Food Processing


Features of Knife Gate Valve

Sharp Knife-Edge Gate DesignThe beveled blade effectively cuts through slurry, pulp, fibers, powders, and viscous media, ensuring reliable shutoff where conventional gate valves may clog.Excellent for...
Features of Knife Gate Valve

Sharp Knife-Edge Gate Design

The beveled blade effectively cuts through slurry, pulp, fibers, powders, and viscous media, ensuring reliable shutoff where conventional gate valves may clog.


Excellent for Solid-Laden Media

Specifically designed to handle fluids containing suspended solids, abrasive particles, and fibrous materials with minimal blockage.


Self-Cleaning Gate Action

The gate wipes the seat during operation, reducing material buildup and improving long-term sealing performance.




Low Operating Torque

The thin gate profile minimizes friction, allowing smooth operation with lower actuator or manual operating force.


Ideal for Abrasive Applications

Designed to withstand demanding conditions in mining, wastewater treatment, pulp & paper, power generation, and bulk material handling.


Easy Maintenance

Simple internal structure with fewer moving parts allows quick seat replacement and reduced maintenance downtime.


Features of Knife Gate Valve
SAVVY IMPORT AND EXPORT CO., LTD.
minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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minaxue@savvyft.com
+86-18958911667
Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
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Room 1104, Poly Center Office Building, Lucheng District, Wenzhou City, Zhejiang Province, China
minaxue@savvyft.com +86-18958911667
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