Our History and Experience

The History of Dott. Ing. Mario Cozzani Srl.

We love what we make.
Compressor Valves.
Since 1946.

We have done great things in the past. Today, we are doing great things for the future. Since 1946 we have been proud to serve the markets with our high quality products. It’s been quite a journey, and we promise this is just the beginning, we have got our hearts set on making more history.


Dott. Ing. Mario Cozzani Srl


Dr. Eng. Mario Cozzani startes the business of designing and manufacturing of valves for reciprocating compressors


The Fifties

Beginning of a large production of valves for methane gas extraction compressors


The Sixties

Designing of valves with dampening rings and self-lubricating guides. Designing and production of valves for polypropylene at 850 bar.



1962: First big supply of valves, for the Argentinian methane pipeline from Patagonia to Buenos Aires.


Oil & Gas

1965 - 1968: Designing and standardization of all the valves for a leading compressor manufacturer in Oil & Gas application.


Cozzani Srl

1974: The original name, Motominima, is changed with the present name of the founder: Dott. Ing. Mario Cozzani s.r.l.



1975: Moving the factory from La Spezia to the industrial area of Arcola (SP), Italy.


1980: Set up a valve overhaul service shop for the end users with OEMs collaboration.

1983: Beginning of the production of suction regulators and other patented valves for screw compressors.

1986: Developing of the present range of elastic plate valves with dampening plates.



1988: Developing of a proprietary software for the dynamic simulation of valve shutters behaviour.

1990: Beginning of valve production for marine compressors.

1991: Beginning of valve production with plates and rings made of PEEK TM material.



1996: The Engineering Department is equipped with modern software systems: CFD and FEM . The Quality Management System is certified in accordance with the ISO 9001 Standard.

1999: Set up the R&D department.


2000: Designed and patented CC valve with special plate and rings shape. Designed and patented Rotary valve. Start- up of service shop activities in Sicily, Italy.

2003: The Environmental Management System is certified in accordance with the ISO 14001 Standard.


2005: SNC valve designed and patented.

2006: Patented the innovative stepless capacity control system: FluxtoFlow TM

2008: Founded Cozzani (Beijing) Compressor Valves Co. Ltd in China. 2009: Qualified to supply poppets forHypercompressors (up to 3.000 bar).


2010: Start-up of Service Shops activities in USA and Brasil.

2011: Railway market entry.

2012: Start-up of Service Shop activities in Germany.

2013: New sealing material for higher valve reliability.

2014: New shaped ring valves for high efficiency and pressures SR type.


2015: First FluxtoFlowTM installation in China.

2018: Start-up of Service Shop activities in Mexico.

2019: The ultimate efficiency valve for energy saving (SRPLUS type)

2020: Start-up of Service Shop activities in Malaysia.
2020: The first FluxtoFlow™ installation in Russia.

Mission and Values

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About Us

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Environment, Health & Safety

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Corporate Responsibility

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Our technical department identifies and develops solutions making use of its vast valve range, of which experience is thanks to its over 60 years activity, to which it also adds personalization and innovation.