# ULTRAAR SCR: specifications and models

ULTRAAR SCR is a medical air plant that uses ULTRACECO SCR rotary compressors with oil-free air compression, with air treatment, receivers and pressure reduction sets with sterile filters.

The datasheet lists fixed speed and variable speed compressor models at 60 Hz.

## Key facts from the datasheet

- ULTRAAR is built to EN ISO 7396-1 and fulfils HTM 02.
- ULTRAAR is manufactured under an ISO 13485 quality management system.
- Receivers are vertical, from 0.2 to 6 m3.
- The ULTRACECO SCR air end has a taper rotor design and stainless steel coating on 1st and 2nd stage rotors.
- An oil mist remover recaptures gearcase oil mists.
- Fixed speed models use a 3 or 5 way solenoid valve for interstage air purging.

## Standards cited in the datasheet

- EN ISO 7396-1
- HTM 02
- ISO 13485

## Sources

- [Ultra Controlo, ULTRAAR SCR datasheet](https://www.ultracontrolo.com/products/ultraar-scr)

Reviewed: 2026-10-22. Ultra Controlo engineering. https://library.ultracontrolo.com/products/ultraar-scr/
