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Stefan Ritzer – Fertigung

Plant construction, vessel construction, steel construction and engineering for renewable energy and process engineering from the Salzburg Lungau region.

Stefan Ritzer Logo

Stefan Ritzer GmbH

Mauterndorf (Austria)New on Amplifa

1989Founded
ca. 40Employees
1,500 m²Production hall
One location in MauterndorfLocations

About us

Stefan Ritzer GmbH is a medium-sized plant construction company from Mauterndorf in the Salzburg Lungau region. The company produces customised solutions in the fields of plant construction, vessel construction, steel construction and engineering – including pressure vessels, buffer storage tanks, storage tanks, mixing vessels, flue gas condensation and heat recovery systems, air preheaters, steam generators and district heating transfer stations as compact stations and custom-made units. Production is mainly in steel and stainless steel; the in-house production includes plasma cutting, welding, pickling and painting in a 1,500 m² production hall. The range of services extends from basic engineering through design and manufacturing to installation including assembly supervision. Customers include the energy and timber industries, process engineering, the food sector as well as the Salzburg Festival, for which the steel structures for the stage of 'Jedermann' were produced in 2017. The company is certified, among others, to EN 1090-2, AD 2000 (HP0/HP100R), §14 Boiler Act and EN ISO 3834-2.

Site
Mauterndorf
Processes
Plant construction, Vessel construction (pressure vessels, buffer storage tanks, storage tanks, mixing vessels), Steel construction (steel structures), Engineering (basic engineering, design), Installation (on-site installation, assembly supervision), Plasma cutting, Pickling, Painting
Materials
Stainless steel, Steel, Special materials for pressure vessels, Glass, Plasma cutting, Pickling, Painting
Certificates
EN 1090-2, AD 2000 HP0 and HP100R, §14 Boiler Act, EN ISO 3834-2, AD 2000 HP0/HP100R, ISO 9001
Founded
1989
Employees
approx. 40
Industries
Renewable energy, Energy industry, Process engineering, District heating, Timber industry, Food sector
  1. 01

    Basic Engineering

  2. 02

    Design

  3. 03

    Plasma cutting

  4. 04

    Welding / vessel and steel construction

  5. 05

    Pickling

  6. 06

    Painting

  7. 07

    Installation

  8. 08

    Quality assurance (IWT, including X-ray inspection)

Materials & Processes

St

Steel

Material for steel structures, pressure vessels, buffer storage tanks and apparatus in plant and vessel construction.

VA

Stainless steel

Used, for example, for paint tanks, vessels in the food sector and systems with hygiene requirements.

PZ

Plasma cutting

In-house plasma cutting for sheet metal cutting in steel and stainless steel since the new production hall in 2008.

BZ

Pickling

Own pickling plant for surface treatment of stainless steel components, in a dedicated pickling hall since 2016.

LK

Painting

Own painting facility or paint shop for corrosion protection of steel structures (since 2016).

Locations

Standort Mauterndorf

Mauterndorf

AT

Headquarters, engineering, production, installation

Materials
Steel, stainless steel
  • Production hall 1,500 m² (2008)
  • Plasma cutting system
  • Pickling plant
  • Painting and pickling hall (2016)
  • X-ray inspection (IWT)

Components & Systems

Buffer storage tank
Buffer storage tankVessel construction · Energy industry
Pressure vessel
Pressure vesselVessel construction · Process engineering
Plant construction
Plant constructionPlant construction · Renewable energy
Steel structure festival stage
Steel structure festival stageSteel construction · Event technology
Engineering
EngineeringEngineering · Plant construction
Storage tank
Storage tankVessel construction · Chemical/Process engineering

Inside the production

Insights into production
Insights into production
Production in Mauterndorf
Production in Mauterndorf
Vessel construction
Vessel construction
Steel construction
Steel construction
Plant construction
Plant construction
Team of Stefan Ritzer GmbH
Team of Stefan Ritzer GmbH
Production hall
Production hall
Production scene
Production scene
Plant construction project
Plant construction project
Workshop
Workshop
Welding work
Welding work
Component from production
Component from production
Reference project
Reference project
Vessel project
Vessel project

Industries

Renewable energyEnergy industryProcess engineeringDistrict heatingTimber industryFood sectorPlant construction/IndustryIndustryFood sector (e.g. drum malting systems)Timber industry (MDF plant)Salzburg Festival (stage construction)

Processes & technical limits

ProcessesToleranceMax. partWeightLot sizeMaterials
Plant constructionEngineering–––––
Vessel construction (pressure vessels, buffer storage tanks, storage tanks, mixing vessels)Welding/Joining––––Steel, Stainless steel
Steel construction (steel structures)Joining––––Steel
Engineering (basic engineering, design)Engineering–––––
Installation (on-site installation, assembly supervision)Installation–––––
Plasma cuttingCutting––––Steel, Stainless steel
PicklingSurface––––Stainless steel
PaintingSurface––––Steel
Welding (certified to EN ISO 3834-2, AD 2000 HP0/HP100R, EN 1090-2, §14 Boiler Act)Joining––––Steel, Stainless steel
X-ray inspectionTesting––––Steel
District heating transfer stations (compact stations, custom-made units)Installation–––––
Double-walled vessels with vacuum interlayerWelding/Joining–––––

4 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Plasma cutting system–––2008Mauterndorf
Pickling plant–––2008Mauterndorf
Painting facility / paint shop–––2016Mauterndorf
Production hall–11,500 m²2008Mauterndorf

Additional services

Plant constructionVessel constructionSteel constructionEngineeringDistrict heating transfer stations (compact stations and custom-made units)Basic engineeringDesignManufacturingInstallationPlasma cuttingPickling plantPaintingQuality assurance/IWT (including X-ray inspection)Heat recoveryExhaust gas cleaning/flue gas condensation

Reference customers

Salzburg Festival (steel structures for the outdoor and indoor stage of 'Jedermann' 2017)Biomass heating plant Altenmarkt im PongauCustomer in Ukraine (steam generators for an MDF plant)Heating plant Mauterndorf

Quality & Certification

Quality assurance is carried out internally, among other methods, by X-ray inspection; the company is certified to EN 1090-2, AD 2000 HP0/HP100R, §14 Boiler Act and EN ISO 3834-2.

EvidenceMauterndorf
EN 1090-2
AD 2000 HP0/HP100R
EN ISO 3834-2
§14 Boiler Act
ISO 9001

Company History

  1. 1989

    Company founded – takeover of the one-man business of the late friend Rupert Klingler

  2. 1991

    Hiring of the first employee

  3. 1995

    Relocation to Steindorf 43, 5570 Mauterndorf, as a subtenant of the company Ilbau

  4. 1997

    Construction of the first condensation system for the heating plant Mauterndorf

  5. 1999

    Acquisition of the property

  6. 2001

    Start of development and production of district heating transfer stations as well as first event 'Culture in the Workshop'

  7. 2007

    Construction of the company's own biomass heating plant

  8. 2008

    Completion of the new production hall with 1,500 m², plasma cutting and pickling plant

  9. 2009

    Twentieth company anniversary as well as membership in the 'Netzwerk Metall' network

  10. 2011

    Construction of the company's own photovoltaic system

  11. 2015

    Certification to AD 2000, EN 1090 and further standards; start of the switch to e-mobility

  12. 2016

    Workforce of approx. 40 employees; construction of a new painting hall and a pickling hall

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