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OMAL was established in 1981 by a family of entrepreneurs specialized in the processing and production of ball valves. The founder, Mr. Agostino Bonomi started his activities in Val Trompia, Polaveno. His extraordinary business skill in those years, lay in forecasting the future importance of automation and customization of products intended for industrial use.

OMAL designs and produces minimum-size industrial valves and actuators with the aim of improving and boosting the performance of production plants. This commitment steers the company, from the design phase to the installation of plant products.

This process is also a precise choice: from the very first creative sparks of project design up to the actual installation of our products in plant operations. We try to empower every single moment of processes.

The concept of “empowerment” imbues every phase of the OMAL world: the in-house production process and Made in Italy label guarantees top quality. OMAL’s artisanal calling ensures greater care for details in the design and production phases, great flexibility in serving and responding to our clients’ needs. Commitment to improvement characterizes OMAL in every link of the value chain. This value offered to the clientele and acquired by the suppliers has always to be focused on the product, and based not only on economic parameters, but also that of service, quality, innovation, safety and sustainability.

The OMAL 's product range consists of the following products:


In cast iron, stainless steel, PVC
Butterfly valves, available in the wafer and lug versions, measurements from DN 40 to DN 600.


In carbon steel, stainless steel and other materials

Ball valves with nominal pressure of up to PN 500 and ANSI 2500 and measurements up to DN 600 (24″ inches).


In brass, stainless steel and bronze
VIP – Pneumatic Coaxial Valve, available in the double or single effect versions, and angle seat valves.


Rotating types
Electric actuators of the rotating type “AE” on-off, “AM” modulating, “EA” on-off or “EF” 25-250.


“DA” Double Acting or “SR” Spring Return

Pneumatic actuators in aluminium, carbon steel or stainless steel, with integrated manual control.

Quality Management System

The Quality Management System of OMAL was certified in 1992. The adoption of a quality system in accordance, firstly with the 2001 version and later, the 2008 version of the standard  UNI EN ISO 9001 and, from 2017 onward with the 2015 version of UNI EN ISO 9001, is a strategic decision that helps the organization to improve its own performance and likewise constitutes a solid base for sustainable development initiatives.