Why Choose Electro-Hydraulic over Electric/Pneumatic?
In heavy industries, standard electric motor valves often burn out when material gets jammed in the flap.
The Electro-Hydraulic Advantage:
- Overload Protection: If a rock blocks the flap, the hydraulic cylinder has a built-in relief valve. It stops pushing without burning the motor.
- High Force: Delivers massive pushing force (up to 5000N+) to ensure the diverter plate closes fully, preventing material leakage into the wrong chute.
- Durability: Safe to use in dusty, outdoor environments where pneumatic lines might freeze or clog.
Typical Applications
This valve is the "traffic controller" of your conveyor system.
- Coal Handling: Diverting raw coal from the belt conveyor to different bunkers in power plants.
- Cement Plants: Switching clinker flow between silos.
- Grain Terminals: Directing grain to different storage bins.
- Mining: Splitting ore flow to different crushers.
Structure & Wear Resistance
- The Body: Fabricated from rigid Carbon Steel (Q235) or Stainless Steel (SUS304).
- The Flap (Critical): The internal diverter plate is subjected to constant scouring. We line the flap with NM400 Wear-Resistant Steel or High-Manganese Steel to extend its lifespan by 3x.
- The Actuator: Comes with limit switches to send open/close signals back to your central control room (PLC).
Technical Specifications
Available in Square or Round flange connections.
| Model | Flange Size (mm) | Angle | Motor Power (kW) | Push Force (N) | Actuator Stroke |
| DSF-300 | 300x300 | 45° / 60° | 0.37 | 1000 | 300mm |
| DSF-500 | 500x500 | 45° / 60° | 0.55 | 2500 | 500mm |
| DSF-800 | 800x800 | 45° / 60° | 1.1 | 5000 | 800mm |
| DSF-1000 | 1000x1000 | 45° / 60° | 1.5 | 8000 | 800mm |
Customization Options
- Liner Options: For extreme abrasion (like coke or iron ore), we can install Ceramic Liners inside the chute body.
- Side Installation: The actuator can be mounted on the left or right side depending on your space.
- Manual Override: We can add a handwheel for manual operation during power outages.
FAQ
Q: Can it switch flow while material is running?
A: Yes, the hydraulic actuator is strong enough to switch under load. However, for maximum longevity, we recommend switching when the material flow is stopped if possible.
Q: Does it seal dust?
A: Yes, the connections are fully welded, and the shaft seals prevent dust from escaping the body.
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