Meccanica Gervasoni

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Weld Overlay / Cladding, Mechanical Machining, and HVOF Spray Coating

Meccanica Gervasoni provides high-technology engineeering services for the oil and gas industry, with more than 20 years of experience in producing valve components.

Address
Via dell’industria, 21,
24010 Lenna,
Bergamo,
Italy
Phone
Fax Number

Meccanica Gervasoni provides high-technology engineering services for the oil and gas industry, with more than 20 years of experience in producing valve components.

The company performs services such as component turning, milling, boring and grinding, weld overlay, high-velocity oxygen fuel (HOVF) spray coating processes and pipe cladding.

Mechanical machining for industrial components

Meccanica Gervasoni provides high-precision mechanical machining services such as ball valve turning, milling, boring, polishing and lapping, in addition to spherical and plain geometry grinding and specialised engineering processes for pipes sized between 3in and 68in.

Big balls 56 size full welded.
Big closure 48-56 size full welded.
Closure, ball and body 16in size.
Welding overlay ball with automatic machine (GMAW).
Welding overlay of big top entry body with automatic machine (GMAW).
Meccanica Gervasoni’s Laboratory.
Ball valve after high-velocity oxygen fuel (HVOF) spray coating process.
The lapping of ball valves.
Chemical analysis.

Meccanica Gervasoni’s series of components includes ball valves, side entry bodies and closures, slabs and bodies for slab valves, shutters and bodies for expanding gate valves, and bodies for top entry valves and nozzles for nuclear applications. The company also maintains large pumps, impellers and turbines.

Using modern machinery with computer numerical multi-axis control (CNC), Meccanica Gervasoni ensures a high standard of quality.

Inconel 625, F316L and 2205 Duplex cladding and welding overlay

Meccanica Gervasoni has welding processes and welders certified in accordance with ASME IX, and provides gas metal arc welding (GMAW), gas tungsten arc welding (GTAW) and submerged arc welding (SAW) processes, in automatic, semi-automatic and manual modes.

The company has a wide range of approved procedure qualification records (PQR) in accordance with large number of international cladding specifications for various applications. Inconel 625, F316L, Incoloy 825 and 2205 Duplex are the most frequent filler materials applied in its welding processes.

Meccanica Gervasoni provides technical assistance and component design, as well as creating new welding procedure specifications (WPS) and PQR, according to the specifications of the client.

Thermal spray, tungsten and chrome carbide spray HVOF coating

With its own automatic, special sandblaster and coating equipment, Meccanica Gervasoni demonstrates its expertise in HVOF spray coating valves and performs high-quality thermal spray coating with tungsten or chrome carbide for thicker components (more than 400µm).

The company has a dedicated laboratory for process quality control with bond tests, porosity measurements, micro hardness tests and metallographic tests.

Maintenance and pipe coating for large heat exchangers

Meccanica Gervasoni applies its welding processes for coating with Inconel 625 pipes for large heat exchangers. The company has developed specialised equipment to perform automatic welding overlay for pipes of various diameters and lengths.

Production and inspection test control system

Meccanica Gervasoni has created smartMG, a system that controls production and inspection test plans in real-time via a PC, smartphone or tablet.

The company has a team of engineers that is Level II qualified for non-destructive tests in accordance with UNI EN ISO 9712, SNT-TC-1A ED. 2011 and UNI EN 473 E ISO 9712 for dye absorption, magnetic, hardness, ultrasonic, PMI and visual tests.

About Meccanica Gervasoni

Founded in 1988, Meccanica Gervasoni is certified in accordance with ISO 9001, UNI EN ISO 3834-2 (EWF) and UNI EN ISO 3834-2 (IIW).

The company has a comprehensive process structure, from the raw material to the finished component after welding overlay and optional spray coating.

White Papers

  • Weld Overlay Offshore

    Since 1988, Meccanica Gervasoni has pursued the goal to provide its clients with maximum quality and a more complete offer.

Videos

Projects

  • Zohr Gas Field

    Zohr Gas field is located within the 3,752km² Shorouk Block, within the Egyptian Exclusive Economic Zone (EEZ), in the Mediterranean Sea.

  • Tortue West Field Development

    Tortue West gas field is located at a water depth of 2,850m in the Greater Tortue Complex, between the C8 block off the shore of Mauritania and the Saint-Louis Profond block off the shore of Senegal. It is being developed under the Greater Tortue Ahmeyim development project.

  • Moho Nord Subsea Project

    The $10bn Moho Nord subsea project is located around 75km off the coast of Pointe Noire in the Republic of Congo.

  • TurkStream Pipeline

    The TurkStream Pipeline project involves the construction of a 910km offshore natural gas pipeline and a 180km onshore gas pipeline to transport natural gas from Russia's large gas reserves to Turkey's gas transportation network, in order to provide energy to Turkey and south-east Europe.

  • Iracema Sul Field, Santos Basin

    Iracema Sul (formerly Cernambi Sul) field is located in Block BM-S-11, around 300km offshore Rio de Janeiro, in the pre-salt area of the Santos Basin.

  • Shah Deniz Stage Two, Caspian Sea

    Shah Deniz Stage Two, also known as the Shah Deniz full field development, is one of the world's biggest gas projects and will increase the gas production capacity of the Shah Deniz field by an additional 16 billion cubic metres per annum (bcma) and condensate capacity by a further 120,000 barrels a day.

  • Al Wasit Gas Program

    The Al Wasit Gas Program includes the development of Arabiyah and Hasbah gas fields located offshore Saudi Arabia in the Arabian Gulf. The project is being developed by Saudi Aramco and is scheduled to be commissioned in 2014.

  • Babbage Gas Field, North Sea

    Babbage gas field is located in Block 48/2, about 80km offshore of the UK in the North Sea. It lies in 139ft (42m) of water and is the largest gas accumulation in the southern North Sea.

  • Karan Gas Field

    The Karan gas field is located offshore of the Arabian Gulf in Saudi Arabian territorial waters, in water depths of 40m (131ft) to 60m (197ft).

Address
Meccanica Gervasoni SRL
Via dell’industria, 21
24010 Lenna
Bergamo
Italy

Phone
Fax Number