Polyurethane Lined Knife Gate Valve

  • Minimum order:1

FREE-VALVE’s polyurethanelinedknifegatevalves are designed forbi-directional tighton-offservicein abrasive slurryapplications,the valve adopts the full-lined wear-resistant polyurethane injectingwiththe whole mold, and all media are wrapped in the polyurethane lined to achieve all-round wear-resistant protection,which provides excellent wear life with 100% positive shutoff of abrasive slurry,theValves are ideally suited for applications in mining.


1.Bi-directional flow,zero Leakage and shut-off, allowing valves to be installed in either direction.

2.Thepolyurethanelined has integral flange seals, eliminating flange gaskets when installing.

3.Resilient seats can be easily replaced after removing valve from the line.

4.Full round port allows for high flow capacity with minimum pressure drop.

5.Valve plate use wear - resistant stainless steel plate with various types of wear - resistant surface treatment.

Technical Specification

1) Size Range: DN50~DN600

2) Pressure Range: PN6~PN16

3) Connection Type:Wafer,lug,Flange

4)Seat and linedmaterial:Polyurethane(PU)

5) Body material:WCB, CF8 ,CF8M

6) Pressure test:GB/T13927,MSS SP-81

7) Face to Face: GB/T12221,MSS SP-81

8)Operation Method:Handwheel, Lever, Bevel Gear, Chain Wheel, Pneumatic, Electric

10) Service temperature:-20°C to 80°C


FREE-VALVE’spolyurethanelinedknifegatevalvesare usedfor heavy duty applications such as abrasive slurry,mining industry,coal washing, paper industry,water treatment,sludge discharging.


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