Model 4000 PD Plus Single Envelope Gas Blowers

Model 4000 PD PLUS heavy duty industrial blowers are designed for high performance applications, up to 18 PSIG (1.24 bar g) pressure boost or 17” Hg (-575 mbar g) dry vacuum (24” Hg [-810 mbar g] water injected).

57/81 Series (Single Envelope Gastight)
This series is utilized in such applications as closed loop pneumatic conveying, fuel or process gas handling, or elevated pressure applications to 100 PSIG (6.89 bar g) discharge.

Applications:

• Soil Vapor Extraction
• Oil-Free Handling Fuel, Utility or Process Gases
• Pulp/Paper Processing
• Laser Recirculation Systems
• Fluid Bed Combustion
• Closed Loop Pneumatic Conveying
• Vapor Recovery
• Digester Gas Processing
• Steam Compression
• High-Performance Applications
• Pressure Boosting

Features:

• Gears: Helical gearing for quiet operation
• Bearings:                    
  • Gear End: Double row ball
  • Free End & Drive Shaft: Single row ball
• Rotors: Ductile iron, integrally cast with shafts
• Lubrication: Oil splash standard, external pressure lubrication available
• Seals: Mechanical/Labyrinth on rotor shafts; lip seal on drive shaft
• Available in special materials such as:                    
  • Stainless steel
  • Carbon steel
  • Electroless nickel plated