National Vacuum (NVE) 4307 Tri-Lobe Vacuum Blower Pro-Pak

4307 High Vacuum Tri-Lobe Blower

Features:

• Continuous duty performance at maximum vacuum
• Tri-lobe design with precision machining
• Ballast port manifold
• Cools blower through air injection
• Range of airflow
• Performance available to accommodate power
• Oil-less operation
• 4” hose barbed adjustable porting for intake and
• exhaust
• Integral final filter with easy access cleaning
• 4-Way pressure/vacuum change over valve
• Designed, built, and supported in the USA

4307 CHALLENGER BLOWER | SPECIFICATIONS

• Air Flow - Free Air: 560 CFM
• Maximum Intermittent Pressure: 15 PSI
• Operating Speed - Recommended: 4000 RPM
• Hp Required @ 27" HG: 36.4
• HP Required @ 15 PSI: 40.6
• Hp Required @ 10 PSI: 28.4
• Porting Size: 4"
• Shaft Size (3/8" key: ) 1 1/2"