
High Air Volume Counter-Rotating Axial Fan for Mine Local Ventilation. High Air Volume Capacity: Air volume ranges from 4.4 to 1650 cubic meters per second for efficient mine ventilation. Durable Stainless Steel Blades: Constructed with stainless steel blades for long-lasting performance in harsh environments. Comprehensive Certifications: Certified by RoHS, UR, ISO, CE, and CCC for global safety and quality standards. 18 Months Warranty: Includes free replacement of damaged parts within the 18-month warranty period. Factory Direct Supply: Products provided directly from the manufacturer ensuring competitive pricing. Flexible Customization: Offers full, minor, and sample-based customization options for various fan types. Rigorous Quality Testing: All fans undergo over 3 hours of running tests before delivery to ensure quality. Global Shipping Terms: Flexible shipping options including EXW, FOB, CIF, and CFR to all countries.