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Knife Gate Valve

ORBINOX provides valve solutions in more than 70 countries, bringing you world-class expertise and a wide array of knife gate valve options. Contact us for more product information.


EX (SER.10) — Uni-directional

The EX model knife gate is a uni-directional wafer valve designed for general industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as pulp and paper, power plants, wastewater treatment plants, chemical plants, food and beverage, bulk handling, and mining.

  • Specifications & Features
  • Size: DN 50–1200 (larger diameters upon request)
  • Working Pressure: 2–10 kg/cm2
  • EN 1092 PN10
  • ANSI B16.5 (class 150)
  • EN 1092 PN6/16/25 (upon request)
  • BS D, E (upon request)
  • ANSI 125 (upon request)
  • DIR 2006/42/CE (Machines)
  • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
  • DIR 94/9/CE (ATEX)

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EB (SER.11) — Bi-directional

The EB model knife gate is a bi-directional valve designed for general industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as wastewater treatment plants, chemical plants, and food and beverage.

  • Specifications & Features
  • Size: DN 50–1200 (larger diameters upon request)
  • Working Pressure: 2–10 kg/cm2
  • EN 1092 PN10
  • Face to face dimensions acc. EN558-1 serie20 (DIN3202 K1) up to DN 500
  • DIR 2006/42/CE (Machines)
  • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
  • DIR 94/9/CE (ATEX)



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BT (SER.22) — Bi-directional MSS-SP-81

The BT model knife gate is a bi-directional lug type valve designed according to MSS-SP-81 and TAPPI TIS 405-8 for industrial service applications. The design of the body and seat assures non-clogging shut off on suspended solids in industries such as pulp and paper, power plants, chemical plants, wastewater, food and beverage, and mining.

    • Specifications & Features
    • Size: 2"–12", DN 50–300 (larger diameters available)
    • Working Pressure: 150psi
    • ANSI B16.5 (class 150)
    • DIR 2006/42/CE (Machines)
    • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
    • DIR 94/9/CE (ATEX)

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    EK — Uni-directional, High-Performance

    The EK model knife gate is a uni-directional wafer valve designed for general industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as pulp and paper, power plants, wastewater treatment plants, chemical plants, food and beverage, bulk handling, and mining.

    • Specifications & Features
    • Size: DN 50–800 (larger diameters upon request)
    • Working Pressure: 2–10 kg/cm2
    • EN 1092 PN10
    • ANSI B16.5 (class 150)
    • EN 1092 PN6/16/25 (upon request)
    • BS D, E (upon request)
    • ANSI 125 (upon request)
    • DIR 2006/42/CE (Machines)
    • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
    • DIR 94/9/CE (ATEX)

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    ET (SER.20) — Uni-directional MSS-SP-81

    The ET model knife gate is a uni-directional lug type valve designed according to MSS-SP-81 and TAPPI-TIS 405 for industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as pulp and paper, power plants, wastewater treatment plants, chemical plants, food and beverage, bulk handling, and mining.

    • Specifications & Features
    • Size: 2"–36", DN 50–900 (larger diameters available)
    • Working Pressure: 100–150 psi
    • EN 1092 PN10
    • ANSI B16.5 (class 150)
    • DIR 2006/42/CE (Machines)
    • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
    • DIR 94/9/CE (ATEX)

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    HB — Bi-directional, High-Pressure

    The HB model knife gate is a bi-directional valve designed for general industrial service applications. The design of the body and seat assures non-clogging shutoff on suspended solids in industries such as wastewater treatment plants, chemical plants, and food and beverage.

      • Specifications & Features
      • Size: DN 50–300
      • Working Pressure: 16 kg/cm2
      • DIN PN 16 (others on request)
      • Face to face dimensions acc. EN558-1 serie20 (DIN3202 K1) up to DN 500
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      TL (SER.30) — Through Conduit

      The TL model knife gate is a through conduit wafer valve designed for media with high consistency. The double seat design assures a non-clogging shut off on either normal or reverse flow. The valve is used in a wide range of demanding applications in industries such as pulp and paper, wastewater treatment plants, power plants, and chemical plants.

      • Specifications & Features
      • Size: DN 50–1000 (larger diameters upon request)
      • Working Pressure: 2–10 kg/cm2
      • EN 1092 PN10
      • ANSI B16.5 (class 150)
      • EN 1092 PN6/16/25 (upon request)
      • BS D, E (upon request)
      • ANSI 125 (upon request)
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      TK — Through Conduit, High-Performance

      The TK model knife gate is a through conduit wafer valve designed for media with high consistency. The double seat design assures a non-clogging shut off on either normal or reverse flow. The valve is used in a wide range of demanding applications in industries such as pulp and paper, wastewater treatment plants, power plants, and chemical plants.

      • Specifications & Features
      • Size: DN 50–1000 (larger diameters upon request)
      • Working Pressure: 2–10 kg/cm2
      • DIN PN 10 (standard)
      • DIN PN 6/16/25
      • ANSI B16.5 (class 150)
      • ANSI 125 (upon request)
      • BS D, E (upon request)
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      TH — Through Conduit, High-Pressure

      The TH model knife gate is a through conduit high-pressure wafer valve designed for media with high consistency. The double seat design assures a non-clogging shut off on either normal or reverse flow. The valve is used in a wide range of demanding applications in industries such as pulp and paper, wastewater treatment plants, power plants, and chemical plants.

      • Specifications & Features
      • Size: DN 300–1000 (larger diameters upon request)
      • Working Pressure: 6–10 kg/cm2
      • DIN PN 10 (standard)
      • EN1092 PN 6/16/25 (upon request)
      • ANSI B16.5 (upon request)
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      CR (SER.70) — Round and Square Port

      The CR model knife gate is a heavy duty valve designed for handling difficult applications. This valve is suitable for use in recycle applications, like junk or sand traps of pulpers, high consistency cleaners... or as silo outlet with solid material. The two piece body with round inlet and square outlet (larger than the inlet) assures non-jamming.

      • Specifications & Features
      • Size: DN 100–600 (larger diameters upon request)
      • Working Pressure: 4–7 kg/cm2
      • EN1092 PN10
      • ANSI B16.5
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      DT (SER.80) — Double Gate

      The DT model knife gate is double gate valve widely used in the Pulp and Paper industry (recycling or secondary fibre processing) designed to handle high concentrated or contaminated media. In open position, both gates retract into the body and allow full flow. When closing, the gates push stock and contaminants as staples, wires... out of the body into the flow. Stroke time is half that of conventional valves. All components subject to wear are replaceable.

      • Specifications & Features
      • Size: DN 100–600 (larger diameters upon request)
      • Working Pressure: 4–10 kg/cm2
      • EN1092 PN10
      • ANSI B16.5
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      VG (SER.61) — Slurry Valve

      The VG model knife gate is a wafer valve designed for a wide range of industrial applications. The double-seated design provides bi-directional shut off. The design of the valve body and the two rubber sleeves makes the VG valve suited for use in handling abrasive slurries in industries such as mining, power plants, chemical plants and wastewater treatment.

      • Specifications & Features
      • Size: DN 50–900 (larger diameters upon request)
      • Working Pressure: 5 bar–10 bar (higher pressures available)
      • EN1092 PN10
      • ANSI B16.5
      • Standard face-to-face
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      WG (SER.65) — Slurry Valve

      The WG (SER.65) model knife gate is a bi-directional full-flanged valve equipped with two metal reiforced rubber sleeves designed for use in the handling of abrasive slurries, maily in industries such as mining, power plants, chemical plants and wastewater treatment.

      • Specifications & Features
      • Size: 2"–36", DN 50–900 (larger diameters available)
      • Working Pressure: 5 bar–10 bar (higher pressures available)
      • DIN PN10
      • ANSI B16.5 (class 150)
      • Standard face-to-face
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      XC (SER.14) — Hopper Shape Silo Outlet

      The XC model knife gate is a wafer valve designed for industrial bulk handling service applications (powdered and granular products). The special design of the body allows for easy passage of the fluid and makes it ideal for use as silo outlet valve. Widely used in industries such as power plants, food and beverage, chemical plants, and mining.

      • Specifications & Features
      • Size: DN 50–600 (larger diameters upon request)
      • Working Pressure (off seating): 1–3 kg/cm2
      • Working Pressure (on seating): 4–10 kg/cm2
      • EN 1092 PN10
      • ANSI B16.5 (class 150)
      • EN 1092 PN6/16/25 (upon request)
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)


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      BC (SER.90) — Square Port

      The BC model knife gate is a square port low-pressure valve for solid loaded fluids, mainly used in bulk handling and silo outlet applications in industries such as chemical plants, wastewater treatment plants, power plants, mining, and food and beverage.

      • Specifications & Features
      • Size: DN 150–600 (larger diameters upon request)
      • Working Pressure: 1 kg/cm2 (casted bodies for higher pressures upon request)
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      BX — Coal Burner Isolation (ATEX Cat.1)

      The BX model knife gate is a bi-directional wafer valve specifically designed for the isolation of pulverized coal burner lines on coal fired boilers during maintenance. The valve is dust tight which makes it suitable for other bulk handling applications, such as silo outlet valves. This valve has been designed for use in potentially explosive areas (ATEX) and it complies with DIN EN 14460 (Explosion resistant equipment). In the closed position, the valve can be used as an effective measure against flame propagation in the event of an explosion.

      • Specifications & Features
      • Size: DN 700–1000 (smaller, larger diameters upon request)
      • Working Pressure: 3 bar
      • DIN PN 10
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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      CX — Coal Burner Isolation (NFPA 85)

      The CX model knife gate valve is an uni-directional full-flange knife gate valve specially designed to isolate pulverized coal burner lines in coal fired power plants. The design of these valves follows the NFPA 85 requirements.

      • Specifications & Features
      • Size: 8"–36", DN 200–900
      • Exceeds 3,5 kg/cm2
      • DIN PN 10
      • ANSI B16.5 (class 150)
      • DIR 2006/42/CE (Machines)



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      AT — Uni-directional, Split-Body

      Cast or fabricated construction and precise gate guiding inside the body make this valve a perfect choice for demanding applications (transport of very heavy fluids, food industry…).

      • Specifications & Features
      • Size: 2"–40", DN 50–1200
      • Working Pressure: up to 10 bar
      • Actuators: Handwheel, Pneumatic, Electric, Hydraulic

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      VP — Bi-directional, Split-Body

      The cast construction, bidirectional design and precise gate guiding inside the body result in a valve meeting the requirements of demanding applications (transport of very heavy fluids, food industry...).

      • Specifications & Features
      • Size: 2"–28", DN 50–700
      • Working Pressure: up to 10 bar
      • Actuators: Handwheel, Pneumatic, Electric, Hydraulic

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      KP — Transmitter Isolation

      Orbinox KP valve provides isolation of an instrument level transmitter from a storage tank. Installation of this valve allows for transmitter replacement or maintenance without disruption of the process or draining of the vessel.

      • Specifications & Features
      • Size: DN 80
      • Working Pressure: 10 bar
      • PN10
      • ANSI 150
      • DIR 2006/42/CE (Machines)
      • DIR 97/23/CE (PED) Fluid: Group 1(b), 2 (Cat. I/mod. A)
      • DIR 94/9/CE (ATEX)

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