STC-DO (1SF-A) Technical Data Sheet Material specification Volute Casing Ductile iron Impeller Milled aluminum alloy, aircraft alloy RR58, DIN W. no. 3.1924, AMS 4132, BS DTD 5284A Diffuser vanes Brass Air bearings Stainless steel and innconel Motor Housing of cast iron Gg20, steel shaft with permanent magnet and carbon fiber sleeves Compressor enclosure Sheet metal with sound dampening polyester foam Compressor enclosure skid Steel construction for fork lift and crane handling Enclosure finish Two-coat industrial enamel Cooling Glycol/ water liquid Medium Designed pressure range Design flow range Air 0.47 to 0,8 barg 1) 1600 – 2700 Nm3/h Turndown range Inlet temperature range Ambient temperature range Protection class Sound emission Weight Height x Width x Depth Height incl. blow-off valve Directives 100% - 40% -20° to +40° C 0° to +40° C IP23 <80 dBA free field 1,200 kg 1750 x 1100 x 1600 mm 2223 mm EMC Directive 2004/108/EC Low Voltage 2006/95/EF Machine Directive 2006/42/EF 1) Based on temperature and head at 20° C 2) Nm3 defined at 1.013 bar, 0° C, 0% Rh. www.siemens.com/energy/aeration 2) STC-DO (1SF-A) Technical Data Sheet International Standards Performance Test, Compressor - ASME PTC-10-1997 - ISO 5389 2005-12-15 Flow Measurement - ASME PTC-19.5- 2004 Measurement, Fluid Flow - ISO 5167- 1 2003-03-01 Synchronous Machines - IEEE-115 – 1995 (R2002) Sound & Acoustic Levels - ASME PTC-36- 2004 - ISO 37442010-05-13 - ISO 3746 1995 Mechanical Vibration - ISO 10816-1: 1995 Quality Management System - ISO 9001:2008 Impeller Motor Motor starter Fast shaft operating speed range Input power Motor power rating Air seals Bearings Inlet configuration Inlet filter Flexible compensator Discharge configuration Blow-off-valve Check valve Control panel Control algorithm Enclosure cooling Painting Environmental Management System - ISO 14001:2004 Health & Safety Management System - BS OHSAS 18001:2007 CE Certified www.siemens.com/energy/aeration Open radial type with backward leaning blades, optimized for Dual-Point Control™ aerodynamics Permanent-magnet synchronous (PMSM), air and liquid cooled VFD start 24,000 to 41,000 rpm 400/460 Volt, 50/60 Hz Up to 75W Non-contact, multi-point and labyrinth type Air foil Integral filter/silencer (piping not required) Barrel type, filter mat class G3, 8 mm thick DN150 with flange of St. 37.2 DIN2501 / EN1092-1 / DN250 Integral cone diffuser/silencer DN250 Integrally attached BOV positioned on the cone diffuser DN250, spring loaded duo-flap 4” Touch panel with PLC S7-1200 Dual-Point Control™ (independent head and flow control) Filtered air cooled (piping not required) Optional