BYT1-320Z/12 Series Explosion-Protected Electro-Hydraulic Thruster

🛠️ Product Overview: BYT1-320Z/12

This thruster is an asynchronous motor-driven hydraulic actuator with an integrated explosion-proof housing. It is commonly used as a direct replacement for electromagnetic pushers in environments where safety is critical.

Model Decoding:

BYT1: Explosion-Protected Electro-Hydraulic Thruster (Series 1).

320: Rated thrust (3200 N or approx. 320 kgf).

Z: Indicates the model includes a Load Spring (for faster return/response).

12: Rated stroke (120 mm).

📋 Key Technical Specifications

✨ Key Features

Explosion-Proof (Ex d):
The motor housing is constructed to strict flameproof standards. It can contain any internal sparks or explosions, preventing ignition of the surrounding atmosphere (suitable for Zone 1/21, Group IIB/IIC).

Fail-Safe Capability:
While the thruster pushes upward when powered, it is often used in fail-safe brake systems. If power fails, the thruster retracts (via spring or gravity), and the brake automatically engages to stop the machinery.

Load Spring (Z-Type):
The "Z" designation means it has a built-in compression spring. This spring assists in the return movement, ensuring a faster response time when power is cut compared to non-spring models.

Asynchronous Motor Drive:
Uses a direct-drive motor with an impeller (no gears). This design reduces noise and eliminates gear wear, making it more reliable than geared types in dusty environments.

Compact & Integrated:
The motor, pump, and cylinder are integrated into a single casting. This makes it leak-proof and robust for harsh industrial environments (mining, chemicals).

🏭 Typical Applications

The BYT1-320Z/12 is used in high-risk industries where heavy loads must be secured during power failures:

Coal Mines: Operating brakes and valves in underground shafts.

Petrochemical Plants: Actuating machinery near flammable vapors.

Port Cranes: Handling hazardous materials.

Heavy Machinery: Safety brakes for large conveyors and mills.

💡 Maintenance & Usage Tips

Cable Gland: Ensure the cable entry is tight. Any gap compromises the explosion-proof rating.

Oil Level: Check the hydraulic oil level regularly. Use clean hydraulic oil (e.g., DB-25).

Heater: If operating in very cold environments (< -20°C), ensure the model has a built-in heater to prevent oil viscosity issues.

Inspection: Regularly inspect the flameproof surfaces (mating faces) for damage or rust, as this affects safety certification.

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