CMO Valves

Valve manufacturer in Spain

CMO Valves is a company that designs, manufactures and markets standard, and specialised knife gate valves. Its comprehensive range of manufacturing allows one to cover many industrial applications and the ability to control all kinds of fluids.

Founded in February 1993 with a staff having more than 40 years experience in the design and manufacture of valves. This experience, satisfaction and quality is what has assisted in evolving into what it is today, continually developing new products to meet the demands of industry and our customer´s needs.
Today, CMO Valves is one of the largest manufacturers of valves in both the domestic and international market with a young and highly qualified staff willing to give the best service to its customers. Teamwork is the best asset. The experience and knowledge of each, with its capacity for technological innovation, is the basis and the engine of the company. For them it is one of our great values, which helps us maintain a competitive position in the industry worldwide.

CMO Valves facilities are divided into five sections:

General offices and technical office
800 m²

2.500 m² (Tolosa)
10.000 m² (Altzo)

Tests and trials
600 m²

Storage and Stock
4.000 m²

300 m²

Delegation in Madrid
600 m²



Barrio Amategi, 142 – 20400 Tolosa – Spain LA. 43.110865; LO. -2.071127 Tel.: +34 943 67 33 99


Our facilities have direct access to National Highway 1 (Madrid – Irun) and fast links to all means of transport, by road, air, railway or sea.

Distances by road:

From San Sebastian Airport, Time : 40min. Distance : 46km From Pamplona Airport, Time : 50min. Distance : 61km. From Bilbao Airport, Time : 70min. Distance : 81km. By road from San Sebastian on the N-1, Madrid direction, exit 434.

We look forward to contacting you to resolve all your queries.

Manufacturing the valve you need