Industrial Automation Magazine India

Siemens STC-GC Compressor Series

Published on : Tuesday 30-11--0001

The Siemens STC-GC product line is the standard version of the customized integrally geared compressor series Siemens STC-GV. The Siemens STC-GC is an integrally geared compact turbocompressor available in nine frame sizes. This compressor series is also  available as high-pressure version Siemens STC-GC (H).

Siemens is the only compressor manufacturer who also develops and supplies proprietary gear technology.

Highlights

• The perfect match for economic air separation
• Standardized, compact and reliable design
• Experience for more than 60 years

Applications

• Air separation
• Compression of process air
• Compression of nitrogen

Design Concept

Economic Compressor Solution

The standardized design of the Siemens STC-GC product line combines major advantages such as high efficiency, reliability and compact design with shorter delivery periods and lower investment costs. Several different frame sizes and a wide range of options form the ideal basis to offer a very cost-effective, integrally geared centrifugal compressor in a compact single-lift unit.

Powerful, Robust and Reliable

The Siemens STC-GC integrally geared centrifugal compressors feature a multi-shaft arrangement with different speeds. All shafts are mounted in maintenance-free, pressure-lubricated sleeve bearings. With up to four compressor stages around a central bull gear, the Siemens STC-GC compressor series forms a compact unit for the multi-stage compression of air and nitrogen.

Pre-designed gears, highest efficiency impellers, tailored aerodynamics and pre-defined auxiliaries lead to maximum performance.

Highlights

• Standardized integrally geared, multi-stage design
• Up to four stages
• Axial inlet to each stage
• Inlet guide vane unit in front of first stage
• Intercooling between the stages
• Compact, single-lift unit

Control Systems

• Perfect protection and process control via flexible Siemens control systems:
• Anti-surge protection
• Performance control
• Fully or semi-automatic start-up and shutdown sequences exactly matched to your process demands
• Certified safety systems available

Technical Data

Siemens STC-GC

• Volume flow rates from 10,000 to 120,000 m³/h (5,900 to 70,600 cfm)
• Suction pressure up to 1.1 bar (16 psi)
• Pressure ratio up to 20 (machine size 10 – 50)
• Pressure ratio up to 7.5 (machine size 63 – 100)
• Electric motor drive (fixed speed)

Benefits

• Compact design
• Standardized, pre-engineered for economy and reliability
• Siemens-owned gear technology
• Highest technical quality standards
• Optimized performance
• Short lead times
• Reduced investment costs
• Short on-site installation

It is used in Chemical, Petro-Chemical Industries.

Dresser-Rand India Pvt. Ltd, Tel:020 3012 0400, Email:[email protected]