Brochure

6
Roots IGCH Compressor
Integrally Geared Dual Vane
Characteristic Value
Flow, SCFM (Nm
3
/hr)
4,000 to 42,000 (6,280 to 65,980)
Polytrophic Head, ft*lbf/lbm (kJ/kg)
10,000 to 40,000 (29.9 to 119.5)
Casing Materials
Cast iron, ductile iron (special materials available upon request)
Impeller Materials
Carbon steel, stainless steel, titanium
Impeller Construction
Radial, semi-backward leaning and backward leaning blades
(open or closed);
Cast, welded, milled
Discharge Position
45° increments, starting at 0° (UP) position
Spec. Compliance
API 617, API 672
Seal Arrangement
Labyrinth, carbon ring, mechanical
Vanes
Variable or fi xed diffusers with variable axial inlet guide or variable
peripheral inlet guide
Bearing Type
Journals: tilt pad & sleeve; thrust: tapered land