Spiral Pipe Heat Exchanger  Manufacturers, Traders, Suppliers

Düma Wärmetechnik is producing fin tubes since more than 35 years. We are specialised in the production of extruded fin tubes. Düma Wärmetechnik is designing, developing and manufacturing finning machines, which are in use around the world.

We are an experienced and flexible company in the field of apparatus and plant engineering, which has existed since 1995.
We have the following approvals as a specialist welding company: TÜV- HP0, HPO/EN 3834and ASME PQR1+2.
Furthermore we are certified according to DIN ISO 9001 since 2008 (Status ISO9001:2008)
Our main field of activity is the manufacture of pressure vessels, columns, heat exchangers, piping and pipe accessories, mainly from rust and acid-resistant stainless steels of the following grades: 1.4301- 1.4571-1.4306-1.4435-1.4539. In
addition, the following can be processed: Inconel, Hastelloy, titanium, as well as heat-resistant stainless steels 1.4828 / 1.4841, and in exceptional cases carbon steel.
We manufacture all components according to customer drawings, according to customer requirements, also with construction.
Our capacities and processing possibilities:
Production area: 1000 m²
crane capacity : 2 x 6.300kg
container sizes : up to ø2000mm x 7000mm lg. Or other sizes on customer request
rolling : ø 3000 x 2500 x 10mm
edges : up to 4000 x 6mm
Cutting : up to 3000 x 10 mm / laser, water jet -> EXTERNAL
Milling : 1500 x 1000x 800 mm, 4-axis digital
turning : ø 750 over bed, ø 520 over slide
Bath pickling : basin 6000 x 2900 x 2000 mm
Electropolishing : basin 3900 x 1500 x 1400 mm
Glass bead blasting
Our company philosophy is: "We for our customers!"

• high reliability, high degree of service friendliness
• Flexibility
• know-how