Roots Type H
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Roots* Centrifugal Compressors

GE Energy is a global leader in the design and manufacture of air and gas handling solutions. As a trusted partner to the many industries it serves, GE leverages its history of technical innovation to address key environmental issues and to provide the technology exchange from its product engineering to customers around the globe. Finite Element Analysis (FEA) and an extensive history in compressor design will assure that we provide you with a reliable solution that will last well into the future. For Performance Computational Fluid Dynamics (CFD) ensures each compressor is optimized to...

IMPELLERS: Offered in many different designs and constructions of several different materials, depending upon the operating conditions and gas being handled. The impeller is statically and dynamically balanced and then oversped to 15% above maximum operating speed. The impeller is then mounted on the shaft with a suitable locking device and the rotor assembly is dynamically balanced. Designed for top performance and minimal maintenance Multi-Stage Rotor Assembly Standard Labyrinth Seal Open Wheeled Rotor Assembly Buffered Labyrinth Seal Buffered Carbon Ring Seal Double Opposed Dry Gas Seal...

Integrally Geared Dual Vane CAPACITY - SCFM (14.7 PSIA, 68° ESSURE - PSIG DISCHARGE PRESSURE - bar(g) Roots IGCH Compressor Roots IGCH Compressor Performance Map Gas Composition: Ambient Air Inlet Conditions: AIR, 14.5 PSIA, 100° F, 80% RH (1.00 bar(a), 38° C, 80% RH) Barometer: 14.7 PSIA (1.013 bar(a)) Polytrophic Head, ft*lbf/lbm (kJ/kg) 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,...

Roots IGCH Compressor Dimension Table A* Unit Size *Flanges are rated at 25# (Typ.) and drilled per ANSI B16.5 & B16.47A. ** MIGV’S - Movable Inlet Guide Vanes; MPGV’s - Movable Peripheral Inlet Guide Vanes DRIVER INLET The standard IGCH design lends itself to the use of an integral lube system; in which the lube oil reservoir is housed within the structure of the baseplate, with the lube oil components (pumps, valves, coolers, and filters) mounted on top of the reservoir with the compressor. If specified, the lube system can be a separate console shipped loose for installation near the...

DISCHARGE PRESSURE - PSIG CAPACITY - SCFM (14.7 PSIA, 68°F, 36 % RH) Gas Composition: Ambient Air Inlet Conditions: AIR, 14.5 PSIA, 100°F, 80% RH (1.00 bar (a), 38°C, 80% RH) Barometer: 14.7 PSIA (1.013 bar (a)) Polytrophic Head, ft*lbf/lbm (kJ/kg) 10,000 to 40,000 (29.9 to 119.5) Casing Materials 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 Seal Arrangement Labyrinth, carbon...

Roots OIB Compressor Dimension Table Unit Size * Flanges are rated at 25# (Typ.) and drilled per ANSI B16.5 & B16.47A ** IGV’S - Inlet Guide Vanes MODELS OIB-100 & ABOVE C Description Overhung style centrifugal compressor consisting of a rotor assembly, inlet housing, volute, casing cover, and bearing stand. Optional inlet guide vanes allow for process control in the absence of a variable speed drive or inlet throttling valve. Capable of meeting API-617. Primary drive options are electric motors, with or without variable frequency drive, and steam turbines. In select instances internal...

Horizontally-Split Multi-Stage Compressor DISCHARGE PRESSURE - PSIG Roots H-Multi Stage Compressor Map CAPACITY - SCFM (14.7 PSIA, 68°F, 36 % RH) Gas Composition: Ambient Air Inlet Conditions: AIR, 14.5 PSIA, 100°F, 80% RH (1.00 bar (a), 38°C, 80% RH) Barometer: 14.7 PSIA (1.013 bar (a)) Polytrophic Head, ft*lbf/lbm (kJ/kg) 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 Seal...

Roots Type H Multi-Stage Dimensional Table Unit Size *Flanges are rated at 25# (Typ.) and drilled per ANSI B16.5 & B16.47A **Total length is subject to change based on number of stages or the need for a gear box NOTE: Inlet and Discharge of Compressor may be oriented in either the top or bottom direction, or any combination of the two. NOTE: Compressor may be driven through Inlet or Discharge End. Boxed construction utilizing structural supports for bracing and rigidity. Grouting pockets, anchor bolt holes and leveling screws are incorporated into the design to provide additional stability...

Control Solutions Specific to Your Application Instrumentation and Control ■■ Inlet Manufacturing Processes Includes: ■■ 5 - Axis CNC Milling conditional monitoring: - Vibration/displacement - Temperature - Pressure - Speed and/or analog compressor instrumentation panel 4, 4X and 12 electrical enclosure options Technology Options ■■ IntelliView® process controller ■■ PLC's supported: - ABB - Allen Bradley/Rockwell Automation Co., Inc. - Siemens AG - Other major manufacturers ■■ CNC Lathe Turning & Grinding & Overspeed Test (Impellers) Utilizing these individuals coupled with our passion for...

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