
Advanced Shaft Safety Door for Enhanced Blast Protection. Automatic Explosion Protection: Door automatically rises when fan stops, ensuring safety with pressure limits up to 4413Pa. Customizable Specifications: Full customization available including negative pressure, return devices, weight, and wellhead size. Robust Steel Construction: Conical explosion-proof cover welded from steel plates and angle steels for durability. 1-Year Comprehensive Warranty: Covers 12 months or 2,000 operating hours, whichever comes first, for peace of mind. 24/7 Global Technical Support: Round-the-clock assistance with steady spare parts supply to keep operations running. Detailed CAD Drawings: Access detailed dimensional diagrams and tailored designs upon inquiry or download. Expert Training Included: Comprehensive on-site or remote training provided for operation and maintenance efficiency.