Power industry Nuclear power Chemistry | Petrochemistry Storage tanks Industrial products TUBE BENDING SHOP STEEL STRUCTURES AND BRIDGES MACHINERY

TUBE BENDING SHOP

We bend tubes and profiles with cold and hot bending machines. We manufacture pressure and non-pressure parts and units. We offer welding automatic and hand welding, machining, heat treatment, sand balsting, metallization and surface treatment.

Tube bending

Tube systems acc.to ČSN 13 2604, for piping acc.to ČSN 13 1020 and ČSN 13 1030
Tube heat surfaces for steam boilers ( acc.to former ON 07 0627 a ON 07 0629), acc.to drawing documentation and requirements of the customer
Authorization acc.to DIN - AD W0 / TRD 100, ISO 9001, ASME

Cold bending - machinery

Technical parameters
min. ø of pipe	12 mm
max. ø of pipe	108 × 4,5 mm
thickness of the wall	cross-section of the module in bending Wmax = 33 cm³
min. diameter of bend	40 mm
max. diameter of bend	600 mm
max. angle of bend	180°
distance of straight part between bend	2 × D

Technical parameters

min. ø of pipe	25 mm
max. ø of pipe	63 × 5 mm (pro NC nutno dojednat)
thickness of the wall	cross-section of the module in bending Wmax = 12 cm³
min. diameter of bend	1 × D (35 mm)
max. diameter of bend	300 mm
max. angle of bend	210°
min. distance of straight part between bend	80 mm (Smaller distance needs to be discussed)

Technical parameters
min. ø of pipe	108 mm
max. ø of pipe	219 × 10 mm
thickness of the wall	cross-section of the module in bending Wmax = 350 cm³
min. diameter of bend	2,5 × D (350 mm)
max. diameter of bend	900 mm
max. angle of bend	180°
min. distance of straight part between bend	2 × D (Smaller distance needs to be discussed)

Technical parameters
min. ø of pipe	21,3 mm
max. ø of pipe	57 × 4 mm
min. diameter of bend	250 mm
max. angle of bend	from 0° to 360° with possibility of manufacturing spirals – needs to be discussed
needed allowances	on both ends straight part of min. 150 mm
We ensure bending of pipes up to ø 89×5 mm with minimumdiameter of bend R=1000 mm.

Technical parameters
min. ø of pipe	20 mm
max. ø of pipe	63 × 5 mm
thickness of the wall	cross-section of the module in bending Wmax = 12,5 cm³
min. diameter of bend	40 mm
max. diameter of bend	200 mm
min. angle of bend	1,2 × D
max. angle of bend	210°
min. distance of straight part between bend	80 mm (Smaller distance needs to be discussed)

Hot bending - machinery

Technical parameters
min. ø of pipe	89 mm
max. ø of pipe	630 × 4,5 mm
thickness of the wall	cross-section of the module in bending Wmax = 4500 cm³ (50 mm)
min. diameter of bend	2,5 × D (600 mm)
diameter of bend in jaws up to 90°	600 - 1000 mm
diameter of bend in jaws up to 180°	1000 - 3250 mm
distance of straight part between bend	450 mm
max. length of arch	4700 mm
max. length of clamped pipe	8000 mm
in additional device	from 2,5 × D max. 219 × 10 up to 90° from 350 up to 600 mm max. 324 × 8 … up to 100 000 mm
The machine has steering and regulatory systems Allen-Bradley with monitoring no touch system of infrared temperature reading from pushed and pulled side with record on computer. For reaching more favourable tolerances of bends, i tis recommended to choose the diameter of bend min 3D. technological allowances of length of pipe ends need to be consulted.

Welding

Mechanical - method 141, 142 (Polysoude)
qualifications of operators acc. to EN ISO 14732, PED 2014//68/EU, AD2000-HP3
Hand - methods 141, 111, 135
qualifications of welders acc.to EN ISO 9606-1, PED 2014/68/EU, AD2000-HP3

Mechanical – automated welding

Technical parameters
min. ø welded pipe	cca 10 mm
max. ø welded pipe	cca 114 mm
max. thickness of welded pipe	cca 12,5 mm
The workplace is equipped with Polysoude P6 and orbital welding heads MU III. and MU IV.