Dual Valves

Dual Valves is a premier South African manufacturer specialising in high-performance slurry valves engineered for demanding industrial, mining and municipal applications. Focused on heavy-duty operations, the company designs and manufactures world-class knife gate valves, check valves, air release valves and more, built to handle abrasive, corrosive and high-solids media effortlessly.

Started by Gerry Van Rensburg and his son Stephen, who now leads the business, Dual has been engineering valves for over 40 years. It all began with the DFV valve, which still stands as the company’s flagship model today, and has since grown into a range of more than 47 products manufactured in-house at their Benoni facility — from concept and rubber lining through to final testing.

What sets Dual Valves apart is its commitment to long-term reliability and innovation. By utilising proprietary elastomeric linings, robust metallic construction and bi-directional sealing technology, Dual Valves ensures extended service life with minimal maintenance. Combined with comprehensive technical support and local manufacturing excellence, Dual Valves delivers unmatched durability and operational efficiency in the harshest environments.

Custom-engineered solutions that reduce costly downtime – a trusted global partner for fluid control in extreme operating conditions.