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Officine Luigi Resta Personnel’s passion and devotion granted the Company a continuous growth and pass on of knowledge, as well as competencies and capabilities, to stand as a leader of the Pressure Equipment market.


Main Codes and Regulations:

ASME VIII Div.2 and Div.1
EN 13445
PD 5500
GB 150
PED (Directive 97/23/CE)
ATEX (Directive94/9/CE)

Thermal Calculation by means of HTRI 8.2
CAD 2D and 3D Modelling
Code Calculations
Finite Element Analysis


Beside the high pressure Equipment’s market, Officine Luigi Resta developed extensive knowledge and skills handling a very wide range of materials. Today the Company can treat all the main materials in charge of the Pressure Equipment’s manufacturing.

Carbon Steel
High strength Carbon Steel Mn-0.5Mo-0.5Ni, Superelso and Superelso HR
Low Alloy 2.25Cr-1Mo-V, 2.25Cr-1Mo, 1.25Cr-0.5Mo
High Alloy Steels 5%Cr and 9%Cr
Stainless Steel 405, 410, 304, 304H 316, 321, 347, 310, 904L, UNS S31254 and UNS S31050
Duplex and Superduplex Stailess Steel UNS S31803, UNS S32205, UNS S32750, UNS S32760, Uremium 29 and DP28W
Nickel Alloys Inconel 600, Inconel 625, Inconel 690, Inconel 725, Incoloy 800, Incoloy 800H Incoloy 825, Alloy 59, Hastelloy C22, Hastelloy C276, Hastelloy B2 and Hastelloy B3 -Titanium Gr1, Gr2, Gr3, Gr5, Gr7, Gr9 and Gr12
Zirconium UNS R60702 and UNS R60705


General Information:
  • Seaside Workshop in Marghera Port and 300m far from the dock
  • Cover Area → 16200m2
  • Uncovered Area → 37700m2
  • Maximum lifting Capability → 500ton
  • Maximum Equipment dimensions → 6000mm Diameter and 60m length
Plate Preparations:
  • Flame cutting machine, photoelectric, maximum capacity 4000mm width, 12000mm length and 150mm thickness
  • Automatic plasma arc system for alloyed, stainless steels and for bronzes, maximum thickness 80mm
  • Shears, maximum capacity 3000mm width and 30mm thickness
  • Mechanical bevelling machine, maximum capacity 3000mm width, 13000mm length and 140mm thickness
  • Rolling machines, maximum capacity 3000mm width and 140mm thickness in cold conditions and 3000mm width and 180mm thickness in warm condition. Maximum external diameter of rolled course 5500mm
Press forming:
  • Bending Press, maximum capacity 135ton and 3000mm width
  • Hydraulic Press, maximum capacity 400ton and 3000mm width
  • CNC BTA drilling machines, maximum capacity 6000mm diameter, 1040mm thickness and 60ton working load
  • Drilling and boring machines, maximum diameter 80mm
  • Vertical and Parallel lathes, maximum turning capacity 5300mm and 40ton
  • CNC Milling machines 4 axes with turning table, maximum working load 50ton
  • Saws, maximum diameter 300mm


Welding Machines:

  • Submerged Arc Welding machines, maximum working height 8000mm
  • Submerged Arc Welding machines with rotating head for welding nozzles
  • Submerged Arc Welding machines for weld deposit, strip wide 30, 60 and 90 mm.
  • Swinging heads for weld deposits in CO2 atmosphere (MIG – MAG)
  • Tungsten Inert Gas Welding machines
  • Manual Welding machines
  • Tungsten Inert Gas plasma automatic welding machines

Tube to Tubesheet Joint:

  • Mechtig 315 inverted
  • Generators Polysoude P6
  • Generators Polysoude AUTOTIG 350 PC
  • Mechtig equipment for Internal Bore Welding


  • Positioners for cylindrical shell sections, maximum capacity 500ton
  • Rotating table positioners, maximum capacity 40 ton

Post Weld Heat Treatment:

  • Gas furnaces, maximum capacity 8000mm width, 8000mm height and 30m length
  • Apparatus for local heat treatment Power 200 KVA


Internal Laboratory devices:

  • Tensile Testing Machine for tensile, compression and bending tests, max capacity 600 KN, maximum test temperature 1000°C
  • Impact Testing Machine, maximum impact energy 294,2 J, minimum test temperature -193°C
  • Hardness Tester, HB, HV and HRC7
  • Metalloscopic microscope 200x magnification
  • Stereomicroscope 0.8 – 40 x magnification

Radiographic examination:

  • Linear Accelerator 6 MeV with dedicated 200m2 Bunker
  • Panoramic Eresco MFC2, 200 kV, 3 mA
  • Directional GIlardoni MHF300D, 300 kV, 3 mA
  • Co 100 Cobalt, 3700 GBq
  • Iridium 192, 3700 GBq

Ultrasonic examination:

  • Conventional Ultrasonic probes
  • Ultrasonic Equipment RD Tech TOFD, Omniscan M-UT-8C
  • Ultrasonic Phased Array mod. VEO by Sonatest
  • Ultrasonic Robosen for tube to tubesheet welds
  • Ultrasonic Robosix-EV for Inner Bore Welding tube to tubesheet weld
  • Ultrasonic pulse-echo GE- Krautramere USM 30

Magnetic particle examination:

  • Magnetization Yoke, 3500 CCA
  • Magnetic current, alternate current and rectified current -Fluorescent method
  • Visible colour method
  • Berthold Test Probe and Wood lampe RW400PV

Dye Penetrant examination:

  • Wet and fluorescent methods

Pressure test:

  • Pressure pumps, maximum test pressure 1000barg

Leak test:

  • Leak test device

Other testing Devices:

  • Ferritoscope for ferrite measurement
  • Deltascope for gap measurement
  • Hardness portable
  • Rugosimeter
  • Endoscope
  • Analyser portable Spectrometer for all alloy elements and Carbon content
  • Analyser Niton GUN for all alloy elements except Carbon