Customized Single Stage and Multistage Dry Screw Pump System

customised singlestage multistage dry screw pump system

The customized Gieffe single stage or multistage vacuum units are fitted with a high performance dry screw vacuum pumps and PD (positive displacement) blowers in series in different combinations. Available in ATEX version.

Elastomeric-thermoplastic Compound Production

Customer
Tecnofilm SpA at S. Elpidio a Mare (FM), Italy

Elastomeric-thermoplastic compound manufacturer

Application
Centralized vacuum system for 9 extruders

Requirements
Replacement of old and ineficient liquid ring vacuum pumps

Performance

  • Inlet pressure up to 80 mbar (abs)
  • Capacity up to 1,600 m3/hr

Solution
Vacuum system composed of two screw pumps (KDP 800) in parallel

Customer Benefits

  • Increased vacuum (better degasing)
  • No water pollution
  • Reduction of air pollution
  • Maintenance costs reduction
  • Energy saving

Refinement of Vegetable Oil and Fats

Customer
Eulip SpA at Parma (PR), Italy

Food Industry

Application
Refinement

Requirement
Replacement of steam ejectors

Performance

  • Inlet pressure up to 1.5 mbar (abs)
  • Capacity up to 45,000 m3/hr


Solution

Three stage vacuum system composed of screw pumps and rotary lobe  in series

Customer benefits

  • Energy savings
  • Increased vacuum 

Power Transformer Drying

Customer
VTD Trasformatori Srl at Valdagno (VI), Italy

Transformer manufacturer

Application
Drying transformers

Requirements
Replacement of Kinney rotary piston vacuum pump (oil lubricated) and roots in series

Performance

  • Inlet pressure up to 0,001 mbar (abs)
  • Capacity up to 970 m3/hr


Solution

Double stage vacuum system composed of screw vacuum pump (KDPH 320) and rotary lobe in series (RBS 65/AV)

Customer benefits

  • Energy savings
  • Maintenance costs reduction
  • No more pollution at the pump discharge due to the presence of oil vapor