Our Company, in October 2013, has been authorized from ASME (The American Society of Mechanical Engineers), to manufacture, certify and trade pressure vessels and equipments under the Certification Mark U Designator (ex ASME U Stamp),  in accordance with BPVC: Boiler Pressure Vessel Code Sez. VIII - Div. 1. The authorization is to manufacture of pressure vessels at our location in Gandino and field sites controlled by our location, according to the applicable ASME BPVC Code. The Authorized Inspection Agency (AIA) is ABS Boiler and Marine Insurance Company (con ABSG Consulting Inc). We also obtained the authorization to register boilers, pressure vessels, and other pressure retaining items at The National Board of Boiler & Pressure Vessel Inspectors for the U.S.A. trade (Certificate of Authorization and Stamp NB). The National Board of Boiler & Pressure Vessel Inspectors authorizes us to apply the NB mark and register boilers, pressure vessels, or other pressure retaining items, with the National Board in accordance with its provisions and manufactured in accordance with ASME Designator U.

We design, manufacture, test, certify and mark equipment according to directive 2014/68/EU "PED" with approved certifying bodies, with calculation code EN 13445 - VSR Ed.95 - Ad-2000 Merkblatt and ASME VIII. We check calculations with code VSR Ed.95, AD-2000 Merkblatt and ASME VIII Div.I.

We manufacture heat exchangers according to ASME VIII Div. I and TEMA Code and pressure drums according to A.D.R..

We perform calculations to test the pressure stability of every part of the equipment, localized loads, wind and earthquake supports, resistance and fatigue according to national or international specifications.

We dispose of UDT certification for pressure equipment installed in Poland.

All the pieces of equipment we manufacture are welded according to specific welding processes in compliance with EN 15614 and ASME IX norms and welders are qualified according to EN 9601-1 and ASME IX norms with supervision of certified bodies recognised by European directive 2014/68/EU "PED".


The welding methods employed in our factory are the following:


    Shielded metal-arc welding (SMAW-111)

    Flux-cored wire metal-arc welding (FCAW - 136)

    Metal-arc gas welding MAG (GMAW-135)

    Tungsten inert gas welding (TIG141)

    Submerged arc welding with wire electrode (SAWWE - 121)

Inspections, test and non-destructive tests according to design and construction codes are carried out, during manufacture, by qualified technicians according to EN ISO 9712 and ASNT-TC-1A.

 The non-destructive tests performed in our factory are the following:

  • X-Ray test RT

  • Visual test VT

  • Magnetic particle test MT

  • Liquid penetrant test - PT

  • Thickness measurement by ultrasonic device - UT

  • Hydraulic test according to proper procedures

Our quality management system fulfils the requirements of the standard UNI EN ISO 9001:2008





Via C dell'Agro n.112 - 24024 Gandino (BG) - Tel. 035-745292 - Fax 035-746813 - E-mail info@gbertocchi.it - C.F. and P.IVA: 02929540165

Copyright 2006 Bertocchi Impianti S.r.l.. All rights reserved.