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Welcome to Sonntag
Rohrkomponenten GmbH

We deliver customized designs and manufacturing of components weighing up to 20 tons in the fields of pipe fittings, pressure vessel construction, offshore structures and mechanical engineering for the oil and gas industry up to 300 bar, the chemical industry, refinery plants, conventional power plants and nuclear power plants, valves and pump housings, as well as general plant engineering.

Our services
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dannenmann GmbH, Heidenheim

Years of know-how

Satisfied customers

Years of certified expertise
7

More success together through

Highly trained employees – that is our know-how.
Modern forming and welding technology – that is our technology.
Satisfied customers – that is our promise.

More about us
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Certified core competencies

– Production of pipe components & fittings
– Technical welding of sophisticated assemblies
– Precision machining & surface treatment

Sustainability

– Regional production site with short distances
– Resource-conserving production processes
– Durable, maintenance-friendly solutions

Internal value creation

– High proportion of production at our own plant
– Qualified specialists & established expertise
– Complete solutions from a single source

Modern production facilities

– Efficient production areas
– Processing of large & complex components
– Continuous investment in technology

Long-term partnerships

– Reliable partner for industry & plant engineering
– Close cooperation with customers
– Sustainable supplier relationships

Focus on production

– Specialization in pipe & welded construction
– Custom-made products according to drawings
– Focus on quality and precision

Our services for industry & plant engineering

As a specialized manufacturing company, we develop and produce sophisticated components for industry, plant engineering and mechanical engineering.
Our strength lies in the combination of experience, depth of production and certified quality. For over 30 years, we have supported our customers from technical design to the finished assembly – reliable, economical and solution-oriented.

Pressure vessel construction

Individual molded parts, pressure vessels and special designs for industry and plant engineering.
We manufacture according to drawings, specifications or jointly developed solutions – precisely, economically and on time.

Pipe
fittings

Welding, forming, mechanical processing and surface treatment from a single source.
Our modern production facilities enable us to manufacture both individual parts and complex assemblies economically.

Contract welding
and pickling

We process high-quality materials and work according to certified processes.
Documented tests and structured quality assurance ensure maximum safety and transparency.

Would you like to have a free consultation?

Our friendly experts are happy to assist you if you have any questions about our services or would like a free initial consultation.

Appointment
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Sonntag Rohrkomponenten GmbH - Plant

Find out what Sonntag Rohrkomponenten GmbH can do for your company