Hydraulic SquareRectangular Knife Gate Valve
Automated, High-Thrust Control for Bulk Solids
This hydraulic square/rectangular knife gate valve is engineered to provide precise, high-thrust control and automated operation for the flow of powders, crystalline materials, granules, and large bulk solids. It leverages the immense, stable force of a Hydraulic Actuator to reliably cut through and isolate high-density or jammed material flows, a capability critical across heavy industries.
With its geometry tailored for non-circular conduits, hoppers, and chutes, this valve is the primary control device for managing flow or rapidly shutting off material in demanding applications such as metallurgy, mining, construction materials, grain handling, and chemical processing.
Key Features & Hydraulic Advantages
| Feature Category | Technical Detail | Core Operational Benefit |
| Actuation Power | Hydraulic Actuator | Provides stable, ultra-high thrust, ideal for large-sized valves and ensuring reliable cutting and sealing against high-density, prone-to-jamming bulk solids. |
| Flow Geometry | Square/Rectangular Port | Specifically designed to match hoppers and chutes in bulk material handling, ensuring a uniform and smooth discharge path. |
| Material Handling | Non-Jammed Design | Features simple structure, flexible operation, and zero jamming, especially suitable for controlling the flow of various solid materials, including lumps and clusters up to approximately 50mm. |
| Installation | Angle-Independent Installation | Installation is not limited by angle, allowing for flexible placement in complex material conveying systems. |
| Design | Simple, Lightweight Structure | Structure is simple and lightweight, offering easier installation and maintenance compared to traditional heavy-duty valves. |
| Operation | Automated Control | Easily integrated into centralized control systems to achieve precise flow rate management or rapid, total shut-off. |
Technical Specifications & Standard Reference
| Classification | Parameter | Standard Specification / Notes |
| Actuation | Type | Hydraulic Cylinder (Single or Double-Acting) |
| Control | Automated, High-Thrust Remote Control | |
| Design | Body Type | Square/Rectangular Port, Bonnetless Design |
| Gate & Stem | Rising Stem (Visual Position Indication), Stainless Steel Gate | |
| Flow Type | Uni-Directional or Bi-Directional Options | |
| Materials | Body Material | Cast Iron (CI), Ductile Iron (DI), or Carbon Steel (CS) |
| Gate Material | SS304, SS316, or Hard-Chrome Plated | |
| Sealing | Metal Seated (High Temp) or PTFE/Polymer (Dry Solids) | |
| Performance | Operating Pressure | Low to Medium Pressure (PN6 / 150 PSI Max Typical for Bulk Solids) |
| Temperature | Dependent on Sealing Material (Standard up to $150^\circ\text{C}$) | |
| Size Range | DN $150 \times 150$ up to DN $1200 \times 1200$ (Custom Sizes Available) |
Customization and Options
- Size Customization: This valve can be manufactured according to user-specific designs and dimensional requirements.
- Alternative Actuation: In addition to hydraulic control, we offer Pneumatic, Electric, Manual Handwheel, and Chainwheel options.
- Chainwheel Note: Chainwheel operation is recommended for valves where the stem center is located more than $1.7$ meters above t
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