Self Balancing Mine Doors
The wind pressure is self-balanced, with no resistance during opening and closing.
The built-in intelligent pressure-sensing balancing mechanism can automatically adapt to ±500Pa fluctuations in wind pressure.
It can open and close in both directions smoothly without the need for external assistance, completely solving the problem of traditional wind doors where it becomes increasingly difficult to open as the wind pressure increases and they are prone to getting stuck. It is suitable for complex wind pressure points such as the intake and return airways in overseas mines.
Sealed sealing, energy conservation and consumption reduction
The self balancing mine doors adopt a bidirectional wedge-shaped sealing structure, combined with wear-resistant self-cleaning sealing strips.
The air leakage rate is ≤ 0.6%, effectively blocking the wind flow movement and reducing the energy consumption of the ventilation system.
The sealing components are resistant to high dust and high humidity, avoiding the accumulation of dust that would affect the sealing performance. They are suitable for harsh mining conditions overseas.
Compliance adaptation, globally applicable
It has obtained the EU ATEX explosion-proof certification, the North American MSHA safety certification, and the IECEx global mutual recognition certification.
It complies with the local mine ventilation and safety regulations in regions such as Africa and Southeast Asia. With complete certificates, it can directly participate in overseas project bidding and avoid compliance risks.
Overseas after-sales service, comprehensive protection
The self balancing mine doors are equipped with an overseas-exclusive after-sales system. Service stations have been established in South Africa, Indonesia, Peru and Kenya, providing 24-hour multilingual technical support.
Routine faults are responded to on-site within 72 hours, and emergency faults are resolved within 48 hours. Three major overseas spare parts warehouses ensure that core components are delivered within 10 days.
Actual evaluations from overseas customers
The ventilation supervisor of a gold mine in South Africa
"This type of duct is highly suitable for areas with large fluctuations in wind pressure. It has zero resistance when opening and closing, and has a low leakage rate. It saves a lot of ventilation energy every month."
The project manager of a coal mine in Indonesia
"The compliance certifications are complete, the after-sales response is prompt, and problems can be quickly resolved in remote mining areas. It's very convenient."
Frequently Asked Questions by Overseas Users
Can it operate stably when there is a sudden change in wind pressure?
It can quickly respond to wind pressure fluctuations, complete balance adjustment instantly, and there will be no jamming during opening and closing, ensuring the stability of the ventilation system.
How can remote mining areas obtain after-sales support?
Support remote diagnosis + video guidance, arrange mobile after-sales inspections monthly, and core spare parts can be pre-stocked.
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