Brochure

14
Roots Type H
Horizontally-Split Multi-Stage Compressor
Characteristic Value
Flow, SCFM (Nm
3
/hr)
6,000 to 67,000 (9,430 to 105,250)
Polytrophic Head, ft*lbf/lbm (kJ/kg)
14,000 to 65,000 (41.8 to 194.3)
Casing Materials
Cast iron, ductile iron (special materials available upon request)
Impeller Materials
Carbon steel, stainless steel
Impeller Construction
Semi-backward leaning and backward leaning blades (closed);
welded or milled & welded
Spec. Compliance
API 617
Seal Arrangement
Labyrinth, carbon ring, mechanical
Vanes
Variable or fi xed inlet guide vanes
Bearing Type
Journal: tilt pad; thrust: multi-shoe equalizing
Compressor Stages
2, 3, 4 (specialty staging available)