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CMO Logo

C.M.O. - Construcciones Metálicas de Obturación

CMO is a company that designs, manufactures and markets standard, and specialised 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 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.

CMO Factory

Teamwork is their 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 facilities are divided into five sections:

    Offices: 540 m2

    Production: 1000m2 (Tolosa) + 7000m2 (Altzo)

    Testing: 400m2

    Deliveries: 525m2

    Quality Control: 300 m2

    Madrid delegation: 600 m2

 

C.M.O.'s Selected Products

CMO Type A Knife Gate Valve

Type A Knife Gate Valves, Wafer style, uni-directional knife gate valve. One piece integral cast body with guides to support the gate and seating wedges. High flow rates with low pressure drops.

This knife gate valve is appropriate for liquids with a solids concentration of maximum 5%.   If it is used for dry solids in gravity feed applications.  It is recommended to be installed with the arrow in the opposite direction to the flow direction.

Standard manufacturing sizes:
From DN50 up to DN2000

WORKING PRESSURE
DN 50 a DN 150: 10 (kg/cm2)
DN 200: 8 (kg/cm2)
DN 250 a DN 300: 6 (kg/cm2)
DN 350 a DN 400: 5 (kg/cm2)
DN 450 a DN 600: 3 (kg/cm2)
DN 700 a DN 1200: 2 (kg/cm2)

CMO Type AB Knife Gate Valve

Type AB Wafer style, bidirectional knife gate valve.One piece integral cast body with sliding wedges to provide bidirectional function.
High flow rates with low pressure drops.

This knife gate valve is suitable for liquids that contain a maximum of 4% suspended solids.
Construction dimensions

Standard manufacturing sizes: From DN50 up to DN2000
Bigger sizes under request.

Working pressure
DN 50 a DN 150: 10 (kg/cm2)
DN 200 : 8 (kg/cm2)
DN 250 a DN 300: 6 (kg/cm2)
DN 350 a DN 400: 5 (kg/cm2)
DN 450 a DN 600: 3 (kg/cm2)

CMO Type D Knife Gate Valve Type D Unidirectional flanged gate valve (bidirectional option to order), designed for high pressure applications, with self‐cleaning seal.Single  piece  die‐cast  body with screwed‐down  bonnet  and wedges to guarantee the seal. Provides high flow rates with low pressure drop

General Aplications

The gate valve is suitable for working with clean liquids or liquids with a concentration of solids:
Drying plants, Paper industry, Water Treatment, Chemical Plants
Food sector, Mining, Oil extraction, Sludge.
Sizes

DN50 a DN2000
Larger sizes to order.
Working Pressure

Desde PN 2,5 hasta PN 100
Each valve is designed according to work conditions
CMO Type L Knife Gate Valve

Type L Bidirectional knife gate valve.  Two‐piece cast body, joined by screws, with internal guides for smooth movement of gate during operation.  Provides high flow rates with low pressure drop. Various seat and packing materials available.  Face‐to‐face dimension in accordance with CMO standard.

This knife gate valve is suitable for liquids that contain a maximum of 20% suspended solids. Paper Industry  ‐ Mining  ‐ Chemical plants ‐  Food Industry  - Pumping   ‐ Silo emptying ‐  Sewage treatment

Sizes ND50 to ND2000 (larger sizes on request).

Working Pressure

DN50 a DN150: 10kg/cm2
DN200: 8kg/cm2
DN250 a DN300: 6kg/cm2
DN350 a DN400: 5kg/cm2
DN450 a DN600: 3kg/cm2
DN700 a DN1400: 2kg/cm2


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