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Explosion-proof Two-stage Belt Deviation Switch
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Explosion-proof Two-stage Belt Deviation Switch
The explosion-proof two-stage belt deviation switch is installed on both sides of belt conveyors with two-stage action functionality. The first stage signals an early warning, while the second stage triggers an emergency shutdown. Meeting explosion-proof standards, it operates safely in hazardous environments with flammable gases and dust, effectively preventing belt misalignment, tearing, and material spillage. It is widely used in coal mines, chemical plants, and port conveyor systems.
The premium Xieli heavy-duty Explosion-proof Two-stage Belt Deviation Switch (Model: EXPP) is purpose-engineered to survive extreme industrial environments. Primarily deployed in large-scale belt conveying systems across mining, steel metallurgy, port terminals, and power stations, this machinery guarantees maximum operations protection. Fully compliant with state-level flameproof and explosion-proof requirements, it operates securely with structural integrity under heavy debris and moisture overload.
Technical Specifications MATRIX
| Parameter | Value |
|---|---|
| Product Model | XLPP-I |
| Ambient Temperature | -40℃ ~ +50℃ |
| Relative Humidity | 0 ~ 95% |
| Atmospheric Pressure | 80 kPa ~ 110 kPa |
| Electrical Life | > 100,000 cycles |
| Output Mode | 2 × SPDT (Two independent contacts) |
| Contact Capacity | AC 380V 5A / DC 24V 5A |
| Actuation Force | 75N ~ 100N |
| First-stage Alarm Angle | 15° |
| Second-stage Stop Angle | 30° |
| Limit Operating Angle | 75° |
| Reset Mode | Automatic reset |
| Enclosure Protection Rating | IP67 |
Customizable According to Technical Agreements
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Industrial Real-world Application Gallery / Real-world Field Operation Showcase
COAL HARBORS & METALLURGICAL SITES
Xieli equipment serves thousands of mining terminals in China and globally. The following are real Conveyor Belt site operation scenes where equipment runs stably in high-dust, high-impact, and high-humidity environments.
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Engineering Insights & Technical Guides
The "Safety Lifeline" of Conveyor Belts in Coal Mines and Flammable & Explosive Environments: Explosion-proof Two-stage Belt Deviation Switch Working Principle, Technical Parameters and Complete Installation & Selection Guide
For flammable and explosive working conditions such as coal mines and chemical plants, this guide systematically explains the dual-stage triggering principle of the vertical roller, the flameproof and sealing structure, and the core electrical parameters of the explosion-proof two-stage belt deviation switch. It also details installation layout rules for head, tail, straight intermediate sections and heavy-load transfer points, mechanical fixing and two-stage actuation commissioning, prohibitions on live working, cable entry sealing requirements and daily inspection and maintenance practices, helping design and procurement teams complete accurate selection for explosion-proof areas.
