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Elevator Safety Oil Buffer OH-80E, OH-175E, OH-210E
Features:
- Model: OH-80E, OH-175E, OH-210E
- The oil specifications: HL46 hydraulic oil
- Product type: Energy consuming type
Description
Description
Elevator Safety Oil Buffer OH-80E OH-175E OH-210E
The OH-80E, OH-175E, and OH-210E Elevator Safety Oil Buffer series is a premium line of energy-consuming safety devices specifically designed for modern vertical transportation. These “E-Series” models often feature enhanced sealing technology and optimized stroke-to-height ratios, making them a top choice for elevator components in both residential buildings and high-traffic commercial buildings.By utilizing HL46 hydraulic oil, these buffers provide a smooth, controlled deceleration of the elevator car, converting kinetic impact into thermal energy and preventing the dangerous rebounds associated with traditional spring systems.
Technical Specification Table
The “E” series is tailored for varying lift speeds, ensuring that every lift installation meets the necessary elevator safety codes (EN 81-20/50).
| Model | Stroke | Rated Speed | Weight Capacity (P+Q) | Typical Use |
| OH-80E | 80 mm | 1.0 m/s | 500 kg – 3,500 kg | Villa & Low-rise Lifts |
| OH-175E | 175 mm | 1.6 m/s} | 1,000 kg – 4,545 kg | Standard Passenger Lifts |
| OH-210E | 210 mm | 1.75 m/s | 1,000 kg – 4,545 kg | Mid-rise Office & Hotels |
Core Advantages for Building Infrastructure
1. Superior Energy Consumption
Designed as an energy consumption type, the OH-E series uses a multi-orifice internal cylinder. As the elevator car strikes the plunger, the HL46 hydraulic oil is forced through these precision gaps, providing a constant damping force. This is critical in high-rise buildings to protect the structural integrity of the elevator frame during an emergency.
2. Enhanced Environmental Protection
The “E” series typically features an upgraded dust-proof seal and a hard-chrome plated plunger. This ensures the buffer remains functional in dusty or damp pit environments, which is common in older residential buildings undergoing modernization.
3. Intelligent Safety Integration
Each buffer includes a high-precision electrical safety switch. This switch integrates directly into the elevator’s safety string. If the buffer is engaged or fails to reset to its full height, the vertical transportation system is automatically locked out for safety.
4. High Weight Capacity
With a maximum weight capacity of up to 4,545 kg, these buffers are versatile enough to transport people in large-capacity service lifts and heavy-duty freight elevators alike.
