High Pressure Vortex Blower Regenerative Industrial High-Pressure Commercial Blowing,This regenerative fan features a powerful blowing and suction dual-purpose design, constructed with an integrated aviation aluminum shell for fire resistance, high-temperature tolerance, and excellent heat dissipation. It includes a robust copper core motor and a double-sided all-aluminum impeller, utilizing centrifugal air circulation for smooth, low-vibration operation to enhance work efficiency. Key features include durable materials with fireproof and high-temperature capabilities, strong power output with sealed steel bearings for high wind pressure and speed, and a thoughtful design with a built-in silencer sponge and dust filters at the air inlet and outlet. Specifications: Number of phases: single phase; Speed: 2980rpm/min; Operating temperature: -40℃ to 40℃; Inlet temperature: -40℃ to 80℃; Power options: 120W, 180W, 250W, 350W, 550W, 750W, 1100W; Maximum wind pressure: 7.5 kPa, 8.5 kPa, 9.5 kPa, 11 kPa, 14 kPa, 21 kPa, 24 kPa; Maximum suction: 6.7 kPa, 7.6 kPa, 8.6 kPa, 10 kPa, 13 kPa, 20 kPa, 22 kPa; Maximum ventilation depth: 0.5m, 0.6m, 0.7m, 0.8m, 0.9m, 1m, 1.2m. Packing list includes 1 regenerative fan and 1 instruction manual.