Solutions in brass for fluids
More than 75 years of experience in the sector of brass water and gas fitting manufacturing act.




What to know about rmmcia
We do put at your disposal a wide range of product, standard and customized, always with the highest quality service.

CUSTOMIZED projects

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Products rmmcia
For manufacturing our brass accessories we use the highest certified quality brass.
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Brass Threaded Fittings
The rmmcia family of brass threaded fittings provides a comprehensive range of accessories, including unions, changes of direction (bends, elbows), branches (tees), bushings, extensions, plugs,...
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Fittings for Pex and Manifolds
For your heating and plumbing installations with PEX tube rmmcia has prepared the family of compression fittings for PEX and manifolds. A complete range of connection fittings including changes of...
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Compression Fittings for Multilayer Pipe and Manifolds
For your heating and plumbing installations with multilayer tube rmmcia has prepared the family of compression fittings for multilayer pipe. A complete range of connection fittings including changes...
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End Feed Fittings for Copper Tube
rmmcia offers the family of end feed fittings for copper tube to satisfy your needs in installations of copper tube with capillary soldering. An assortment of threading - soldering accessories for...
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News rmmcia
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November 28, 2023
Renewal of water meters (2025)
On 24th of October 2023 it’s been three years since the enforcement of order ICT/155/2020, of February 7th, which regulates in Spain the State's metrological control of certain measuring...

November 14, 2023
rmmcia will be closed for winter holidays from December 25th 2023 to January 5th 2024. We will resume working on the 8th and shipments will start in January 9th. We'd like to indicate also we close in...

October 24, 2023
New! Under pressure drilling connector
In 2023, at rmmcia, we have begun the manufacturing a new brass fitting, patented, designed to solve a common issue when making quick and easy branch connection in polyethylene pipes without...