Products
STEELWORK FABRICATION DEPARTMENT
The Department offers manufacture of welded, bent and rolled steelwork especially for the power industry.
The following is a list of operations and capacity :
welding :
- gas welding (acetylene + oxygen)
- electrical welding
- MAG-welding
- TIG-welding
oxy-acetylene cutting, plasma arc cutting
both manual and semi-automatic
automatic cutting, maximum thickness: 120 mm (oxy-acetylene), 40 mm (plasma)
shearing, maximum thickness 16 mm
rolling cones and cylinders,
-ø minimum dia 320 mm, maximum thickness 16 mm
-ø or minimum dia 560 mm, maximum thickness 32/26 mm
winding profiles
bending sheets, thickness 15 mm, width 4,000 mm
blanking and shaping, eccentric press, tonnage 160 tons
stamping and open die forging
hardening, quenching and tempering, maximum length 1,000 mm
stress relief annealing, maximum length 2,000 mm normalizing, maximum length 1,200 mm
gas carburizing, overall dimensions 600 x 300 mm, maximum weight 135 kgs
tinning bushes and bearings,
ø maximum weight 1,500 kgs, maximum dia 1,000 mm
shot blasting
painting
Swiss production line of FAEL for making oil-immersed transformer radiators
Examples of our products :
low NOx burners for power station boilers
emission reduction equipment
burners, ducting, PF piping
dampers, sifters, coal chutes
coal mills, separators, classifiers
cyclones, Corse units
coal feeders, driving heads, hoppers
turbulators, distributors
conveyor chains
compensators and expansion joints
coal mills casings
sealing systems for rotary air preheaters
radiators for oil-immersed transformers
punches, dies, etc.
The Department has got wide welding qualifications from SLV Berlin
MECHANICAL WORKING DEPARTMENT
The Department performs machining, locksmithing, wfitting and assembling parts and components for the power industry.
The following is a list of typical machines and production capacity :
turning lathes, ø maximum dia 1,350 mn, maximum length 6,000 mm
turning and boring lathes, ø maximum dia 3,500 mm
NC lathes, ø maximum dia 800 mm
horizontal boring machines, ø maximum dia 1,200 mm, maximum weight 4,500 kgs
horizontal milling machines and vertical milling machines, maximum length 1,150 mm
hobbing machines, ø maximum dia 1,600 mm
cylindrical grinders, ø maximum dia 300 mm, maximum length 1,000 mm, surface grinders, maximum length 500 mm ø maximum = 75mm, length maximum = 180mm
slotters, ø maximum dia 800 mm, maximum length 400 mm
thread rollers, ø minimum dia 10 mm, ø maximum dia 60 mm, maximum pitch 4.5 mm
It is also possible to perform the following operations: ø sawing, maximum dia 400 mm, surfacing pins and pivots, maximum dia 900 mm, maximum length 400 mm
grinding and sharpening of cutting tools
Typical products :
sealing rings for turbines
bolts inclusive of high-alloy steel bolts with rolled thread designed for high temperatures
nuts, materials as above
cap nuts, material as above
tinned bearing bushings
Pulwis type couplings
BWP type variable gears
BRr type reduction gears
surfaced parts and components
general-purpose hydraulic tools
tube bevelling machines
ELECTRICAL DEPARTMENT
The offer includes repair and retrofit of electric motors, transformers and special services.
The following is a list of parameters presenting our capacity:
I. Repair of electric motors
stators and rotors of generators, up to 80 MVA
high-voltage motors, class F, up to 4 MW
low-voltage motors, AC and DC generators
spare coils for high-voltage motors
II. Transformers
running repair and general overhaul of transformers, up to 63 MVA
dismantling and re-assembling, transportation
re-designing to meet customer's requirements in terms of voltage and vector group
exchange of radiators inclusive of on-site assembling
III. Special works and services
on-site transformer oil treatment
full range of transformer oil testing inclusive of gas chromatography
washing, painting and sealing of transformers on site
inspection and repair of live tap-changers, performance tests with the use of oscillograph
winding coils for transformers and welders
modernization of electrical wiring, autotransformers 160 MVA, KV
production of coil wires, round and profiled, paper, glass and glass-estrophol insulated
carpentering
dynamic balancing of electric motor rotors, shafts and impellers maximum 2,500 mm dia, 5,000 mm long, up to 5,000 kgs
repair and maintenance of power equipment
lease of interchange transformers
scrapping of transformers and motors