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Hydraulic Slurry Knife Gate Valve Manufacturers

High-Force Hydraulic Slurry Knife Gate Valves

Our Hydraulic Slurry Knife Gate Valves are designed for applications requiring maximum closing force to penetrate through settled solids or thick scale. Powered by high-pressure hydraulic cylinders, these valves are the heavy-weights of the mining and dredging industries. As a specialized factory, we ensure that the integration between the hydraulic actuator and the valve body is seamless, providing a vibration-free operation and a 100% bi-directional tight seal even in the most extreme pressure conditions.

Featured Products

  • Closed Body Pinch Valve

    Closed Body Pinch Valve

    The operating principle of the FNC® enclosed pinch valve is straightforward. When in the open position, the valve provides a full-bore passage, allowing unrestricted flow of the me...

  • Standard Air Operated Pinch Valves

    Standard Air Operated Pinch Valves

    Air Operated  pinch valves offer a unique and cost-effective solution for fluid control problems. The secret lies in the rubber valve sleeve - the only flow-through part of the pne...

  • Large Diameter Pinch Valves

    Large Diameter Pinch Valves

    Compared to ordinary pinch valves, large-diameter pinch valves have much higher production requirements. As the “core component” of the pinch valve, the rubber valve sleeve demands...

  • Open Body Pinch Valves

    Open Body Pinch Valves

    The operating principle of the FNC® enclosed pinch valve is straightforward. When in the open position, the valve provides a full-bore passage, allowing unrestricted flow of the me...

  • Mini Air Operated Pinch Valves

    Mini Air Operated Pinch Valves

    Air Operated  pinch valves offer a unique and cost-effective solution for fluid control problems. The secret lies in the rubber valve sleeve - the only flow-through part of the pne...

  • Split-Body Air Operated Pinch Valves

    Split-Body Air Operated Pinch Valves

    Air Operated  pinch valves offer a unique and cost-effective solution for fluid control problems. The secret lies in the rubber valve sleeve - the only flow-through part of the pne...

  • Large Diameter Air Operated Pinch Valves

    Large Diameter Air Operated Pinch Valves

    Air Operated  pinch valves offer a unique and cost-effective solution for fluid control problems. The secret lies in the rubber valve sleeve - the only flow-through part of the pne...

  • KGV-D knife gate valves

    KGV-D knife gate valves

    The FNC Slurry Knife Gate Valve is compatible with a variety of actuators. Its main body is constructed from materials such as cast iron, cast steel, and stainless steel. The gate ...

  • KGV-A knife gate valves

    KGV-A knife gate valves

    The FNC Slurry Knife Gate Valve is compatible with a variety of actuators. Its main body is constructed from materials such as cast iron, cast steel, and stainless steel. The gate ...

Technical Specifications

Parameter Details
Hydraulic Pressure Standard 70-100 Bar (Adjustable)
Nominal Pressure PN10, PN16, PN25, ANSI 150/300#
Gate Material Hardened SS316, 2205 Duplex, or Hastelloy
Seal Type Replaceable high-rebound rubber sleeves
Design Standard MSS SP-81 / ASME B16.34

Primary Applications

  • Deep-Sea Mining and Suction Dredging
  • High-Pressure Tailing Discharge
  • Concentrated Sludge Pumping
  • Steel Mill Scale Disposal

Core Advantages

  • Unmatched Power: Effortlessly cuts through high-concentration slurry and scale.
  • Compact Efficiency: Offers higher torque-to-size ratio compared to pneumatic actuators.
  • Safe Operation: Hydraulic fluid provides natural lubrication and dampening for smooth strokes.

Logistics & Payment

Flexible payment via T/T, L/C, or CAD. Given the weight of hydraulic units, we use custom-engineered steel-frame plywood crates to prevent movement during sea transit. Full hydraulic test certificates are provided for every unit.

Frequently Asked Questions

  • Can the valve be integrated with an existing hydraulic power unit (HPU)?
  • Yes, our cylinders are designed to be compatible with most standard industrial HPUs. Please provide your system pressure and flow rate for matching.
  • What maintenance is required for the hydraulic cylinder?
  • We recommend checking the rod seals every 6 months and ensuring the hydraulic oil remains free of contaminants to extend the valve's life.

Hydraulic Pressure Management

When operating hydraulic slurry valves, it is crucial to set the Bypass Relief Valve correctly. Excessive pressure can damage the elastomer sleeves, while too little will fail to close the gate against the slurry flow. Our engineering team provides a specific pressure-to-torque chart for each valve size to help you calibrate your HPU for optimal sleeve longevity.

Note: Specifications are subject to change. For specific torque values and chemical compatibility, please refer to the technical data sheet provided with your order.

Anhui Fengchi Pump Valve Manufacturing
Co., Ltd.

Anhui Fengchi Pump Valve Manufacturing Co., Ltd. is a national High-Tech Enterprise specializing in premium fluid control solutions for harsh industrial environments. We are a leading Custom Hydraulic Slurry Knife Gate Valve manufacturer and Hydraulic Slurry Knife Gate Valve supplier, designed specifically to handle abrasive, corrosive, and high-density media.

Our facility is equipped with large-scale vulcanization and rubber refining technology, allowing us to maintain full control over the quality of our proprietary wear-resistant sleeves. as Hydraulic Slurry Knife Gate Valve factory, Fengchi holds numerous patents and has successfully passed ISO9001:2015, ISO14000, CE, and RoHS international certifications.

Trusted by major mining and chemical plants worldwide, our products serve as the ultimate cost-effective alternative to conventional valves. We don't just sell products; we provide customized fluid control solutions to minimize downtime and maximize operational efficiency for our global partners.

Anhui Fengchi Pump Valve Manufacturing Co., Ltd.

Related Valve Technical Resources

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