E.I. Williams

E.I. Williams

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EI Williams - Manufacturers of Vent Silencers - Fan Silencers - Industrial Silencers - Noise Enclosures

07/15/2026

The selective catalytic reduction (SCR) technology by EI Williams/IMS reduces nitrogen oxide (NOx) emissions by up to 98% using Diesel Exhaust Fluid (DEF). At its core, once injected into the exhaust stream, DEF transforms into ammonia, which reacts with NOx over the SCR catalyst to form harmless nitrogen and water v***r. For further inquiries on this product, get in touch with one of our engineers.
https://eiwilliams.com/
https://tier4final.com/
https://www.silencers.co.uk/

06/24/2026

The EI Williams/IMS airless SCR DEF injection system includes a water cooling system to protect the injector during high-load shutdowns even without DEF flow. One of the many safeguards that comes with our customized technology. For further inquiries, get in touch with us to learn more.
https://eiwilliams.com/selective-catalyst-reduction.html
https://tier4final.com/
https://www.silencers.co.uk/

06/21/2026

Why Choose E.I. Williams? We offer innovative solutions where our standard and custom-made systems are engineered to be lighter and more compact, which minimize restrictions on engines, blowers, and fan motors. Couple that with unmatched lead times in manufacturing and you will understand how quality meets innovation.
https://eiwilliams.com/

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264 Fairall Street
Ajax, ON
L1S1R6

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm