PBS Velka Bites (PBS) is a member of PBS GROUP - a stable, high quality and innovative engineering company that has been active in the field of high precision engineering for over 200 years. The key sector for PBS is aerospace engineering: in-house development, production, testing and certification of small turbojet, turboprop and turboshaft engines, auxiliary power units (APU) and environmental control systems (ECS). The PBS manufacturing program also includes precision casting, precision machining, surface treatment and cryogenics – helium turboexpanders or cascades of low-temperature compresors. PBS is a holder of Design Organisation Approval (DOA), Production Organisation Approval (POA), and Maintenance Organisation Approval (MOA) issued by the European Aviation Safety Agency (EASA). PBS quality management system is certified in accordance with ISO 9001, AS 9100, ISO 14001 and NADCAP Our customers appreciate especially the high technical standard, reliability and quality of our products and services. AEROSPACE TECHNOLOGY - Turbine engines - Turbojet, Turboprop and Tusboschaft - Auxiliary power units - Environmental control systems - Aviation devices and engine components INVESTMENT CASTING - Turbine wheels - Turbine blades and gas turbine segments - Aircraft engine impellers and guide wheels - Spinner discs - Femoral components CRYOGENIC TECHNOLOGY - Turboexpanders - Compressors - Pumps SURFACE TREATMENT - Anodizing - Coating - Tinning - Blackening PRODUCTION TECHNOLOGIES - Electrical discharge machining - Metallurgical material cutting - Grinding and inspection of gears - Turbine blade coating - Heat treatment and brazing in a vacuum furnace