At Duvalco, we pride ourselves on the quality of our products and services.
All manufacturing is carried out under an ISO 9001 quality system in our own factories.
Our aim is to offer the highest quality and reliability available and to this end all rubber gasket production and gate encapsulation is carried out under our own direct control.
Our products are certified by independent bodies like WRAS, Lloyd’s and other third party entities.
We are committed to provide total dedication to our customers by offering the best service, maximum flexibility and unsurpassed quality of products and services.
It is Duvalco top priority to ensure satisfaction for our customers.
We guarantee high quality products conforming to the most updated international standards.

Duvalco - Model MSJ Series - Wafer - Bonded Liner, Semi Lug Butterfly Valve - Brochure