Designed to suit exact applications, client’s specifications and statuatory regulations, OLS Tunnel
Ventilation Dampers are developed for use in subways for underground tunnel ventilation systems, that require heavy duty dampers.
Our Tunnel Ventilation Dampers have undergone the most rigorous testing (AMCA) according to UL Standards, and currently serve 80% of Singapore’s Mass Rapid Transit System, as well as several stations in the Taiwan Metro. We also supply our Tunnel Ventilation Dampers to Singapore’s longest highway tunnel, the Kallang-Paya Lebar Expressway.
Our products are built to specifications to the highest standards and we encourage you to learn more about our products:
Introduction of the Tunnel Ventilation Damper & how it works
These information are also available on PDF Catalogues <Click here to Download>
For more information, please contact us at:
OLS Manufacturing Co. Pte Ltd
3-B Joo Koon Circle
Singapore 629 034
Tel: +65 . 6861 5253 Fax: +65 . 6861 9850
Email us: enquiry@olsmfg.com
