Contract and commissioned fabrication

• Engineering and calculations
• Machining
• Annealing
• Welding

Quality Fabrication by DVA

Materials

• General construction steel
• Pressure tank steel
• Austenitic steel (Various alloys of chromium-nickel steel)
• Hastelloy
• Approved for materials from Groups 1 – 6 – 7 and 8 according to AD Bulletin HPO

Highly qualified fabrication staff with many years of extensive experience in the areas of machinery and plant technology on the one hand as well as a diversified machinery with the latest equipment, on the other hand, are the components of success for a permanently high standard of quality. With a production area of 12,000 m², the latest in welding technology and surface treatments such as grinding, glass bead blasting and coloration, we have the best prerequisites for working on carbon and high quality special steels into shapes (machining and non-machining).

Machining/cutting

Innovative CNC techniques for reproducible quality

Kolb portal milling machine, max. 20 t

• Working dimensions: W 3000, L 5000, H 1250 mm

Horizontal drilling and milling unit BFT 110 CNC

• Bench size: 1,600 x 1,400 mm
• Working dimensions: x 1985, y 1620, z 1690

Horizontal drilling and milling unit BFT 130 CNC

• Bench size: 2,000 x 1,600 mm
• Working dimensions: x 3000, y 2800, z 1500

Short planer 7 D 36

• Sledge stroke: max. 700 mm
• Bench size: 450 x 710 mm (Length)

Milling machine FW 400

• Bench size: 400 x 1,600 mm
• Working dimensions: x 1150, y 350, z 350

Horizontal grinder

• - Bench size: 200 x 600 mm

various master and bar lathes

• Swing diameter, maximum width
• 560 x 2,000 mm
• 630 x 5,000 mm
• 850 x 2,000 mm

Welding, Annealing, Machining

• DVA welding processes:

• E-Hand (111)
• UP (121)
• MAG (135)
• MAG-F (136)
• WIG (141)
• Plasma (15)
• qualified welders according to DIN 287-1
• The approval as a manufacturer according to AD Bulletin HPO and DIN 18800, Part 7, Class D, with upgrade for CrNi steel in accordance with the DIBt’s approval notification
• Automatic circumferential seam UP welding system
• Automatic circumferential welding system Plasma WIG, MAG

Pre-cutting

Plate shears

• Cutting width: 3,000 mm
• Max. metal thickness 20 mm S 355/15 (CrNi)

Folding machine

• Max. metal thickness: 8 mm with 2,5 m metal widths

 Flame-cutting system

• Max. metal thickness: 35 mm CrNi/100 mm C steel

Three roller folding machine

• Max. metal thickness: 25 mm S 235/15 mm(CrNi)
• Maximum metal width: 3,000 mm

Surface treatment

Blasting system

• Glass bead blasting
  Approx 4 x 3 x 10 m

Painting cubicle

• 15 x 10 x 5 m