Product description

FREE-Valve’s Electric bonnet knife gate valves are known as slurry gate valves. Its are unidirectional knife gate valve with bonnet. The completely enclosed body-bonnet structure ensures zero leakage from the knife gate to the surrounding. This valve is very suitable to contaminated/hazardous media for the safety of surrounding
Features:
1. The gate of the fully closed knife gate valve is embed inside the valve body,totally isolated from exterior environment. The valve cap is provided with round stuffing box which can effectively avoid the leakage of fluid media.
2. Knife edge gate provides strong cutting stress and tight sealing.Disc is hard chromium coated after delicate surface grinding, providing abrasion resistance and corrosion resistance against the flow flushing.
3. Valve seat is replaceable, reducing the maintenance cost.Preload seat is adjustable to meet different sealing class and compensates normal seat wear.Seat retainer covers the side of seat and prevents seat from direct flow flushing.
4. Both top part of the gate and bottom part of the valve body are provided with hold-down devices. Effective seat may be achieved by changing the vertical pushing force of the valve rod into lateral force so that the gate presses tightly against the valve seat.

Technical Specification:
1)Size Range: NPS2~NPS48,DN50~DN1200
2)Pressure Range: Class 150 /PN6 /PN10
3) Applicable Temperature.: 0~200℃
4) Connection Type: wafer
5) Sealing material: Rubber,PTFE
6) Body Material: Carbon steel,stainless steel
7) Disc material:Stainless steel
8) Pressure test:GB/T13927, API598
9) Face to Face: GB/T12221, API609
10) Valve body : GB/T12224,ASME B16.34
Operating Mode:  Hand wheel,Bevel Gear,Pneumatic,Electric,Hydraulic
Application:
FREE-Valve’s electric bonnet knife gate valves are extremely suitable for being applied on automation control systems that call for frequent open and shut off, and high environment requirements,including food,brewing,coal liquefaction,sewage treatment,petrochemical,steel and other industry.

Download company brochure

Product specifications

Company introduction

Zhengzhou Free Fluid Control Technology Co.,Ltd is leader in the design valve and application of special industrial valves , we provide high quality industrial products for our customers all the time. First introduced ceramic engineer valve in the year 2008, FREE-VALVE’S have steadily proven their worth in tough industrial applications once thought to be solely the province of steel or ceramic valves. Today, as challenge traditional thinking in abrasive fluid applications, FREE-VALVES offer a wide rang of products:ceramic knife gate valve , ceramic double gate valve , ceramic rotary gate valve , slurry valve ,tank bottom angle valve , V type ball valve, ball valve, butterfly valve,ceramic tile lined composite pipes etc . They have a wide application in coal washing plant ,power plant ,alumina refinery, steel plant,petro-chemical etc. Our valves have been exported to Pakistan ,Turkey ,United states ,Indonesia,Taiwan etc .

Other products from this supplier

• 
  High Abrasion-Resistant Polyurethane Lining Knife Gate Valve for Mining
• 
  Pneumatic Ceramic Lined Floating Ball Valve ,O Port Ceramic ball Valves
• 
  Fluorine Lining Ball Valve Used in Corrosive Medium
• 
  Silent Type Axial Flow Check Valve,Flange Ends Spring Silent Check Valve
• 
  Y type Bottom Outlet Valves,tank bottom angle feeding valve
• 
  Bronze Handle Operation Flanged Ball Valve