Welding innovation
and safety together

In Guimarães, Portugal, Worthington’s commitment to safety is married to a local tradition of innovation. The plant produces more low-pressure gas cylinders than any other European manufacturer. Fifty years of experience has led to a long list of patents extensive new-product development know-how.

Portugal

Industries & Markets

Our commitment to partnership takes place across all segments, and ensures continuous innovative solutions for each market.

LPG

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Leisure

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Flt

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Domestics & industrial

RefRigerants

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Fire suppression

Industrial GaseS

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Adhesive

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Helium

argon

Argon / CO2 Hydrogen Nitrogen / Oxygen

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NSO2 H3 CL2

Creating value through innovation

1960

1962: Petroleo Mecanica Alfa is founded by Sacor and Schwelm Eisenwerk Muller Gmbh

1965: Assembly of petrol-dispensing pumps

1966: started LPG Cylinder manufacturing

1970

1976: First export to Middle East

1980

1983: Stopped assembly of Petrol-Dispensing Pumps and concentrate all efforts in LPG cylinders

1989: Relevant investment in automatic deep drawing press; Cutting/Blanking line and forging equipment

1990

1990: COMANOR acquires ALFA, creating the COMANOR-ALFA group

1994: Certification as ISO 9001:1994 Company Concentration of all production lines in Guimaraes New finishing line and new furnace

1996: New returnable cylinder line

1997: AMTROL, Inc acquires COMANOR-ALFA

1997: Started production of non-refillable cylinder

1999: Launched the Full Jacket cylinder

2000

2000: Launched the RABBIT cylinder

2003: ISO 9001:2000 registered

2005: New composite cylinder production ine. Launched the COMET composite metal cylinder

2006: Launched the NGS and SOFT GRIP

2008: Launched the XLITE cylinder

2009: ISO 9001:2008 registered

2010

2011: 2 million COMET shipped

2013: Launched the GENIE cylinder

2014: 3 million XLITE shipped

2016: Launched the COMET HP Carbon Fiber Cylinder

2017: Worthington Industries acquires AMtrol-Alfa

2018: Launched the FOURTIS-Type IV cylinder