
Manufacturing and installation of complex piping, vessel and plant systems in steel, stainless steel and plastics

Umwelttechnik & Anlagenbau GmbH Plauen
08527 Plauen (Meßbacher Straße 50)New on Amplifa
About UAP Plauen
Umwelttechnik & Anlagenbau GmbH Plauen (UAP) is an owner-managed medium-sized company from Plauen in the Vogtland region, specialised in piping system engineering. The company manufactures and installs complex piping, vessel and plant systems in steel, stainless steel and the plastics PE, PP, PVDF and PVC. Its service portfolio also includes vessel construction, technological steel construction up to steel grade S355 (execution class EXC 2), the installation of industrial plants as well as mechanical engineering and the manufacture of aggregates. The offering is complemented by special valve construction, racks and skids, sheet metal and pipe constructions, gas distribution as well as mobile and container systems. Key industries include environmental technology (drinking, rain, municipal and industrial wastewater), plant engineering for vacuum, textile, paper, energy, biodiesel, food, ultrapure water and solar applications, recycling, and shipbuilding with onboard wastewater treatment plants. In-house product developments such as automatic cleaning screens for stormwater overflow tanks and centrifuge systems for plastic recycling round out the portfolio. All work is manufactured and installed at the site at Meßbacher Straße 50 in Plauen.
- Site
- Plauen
- Processes
- Piping construction, Plant engineering / manufacturing & installation of piping, vessel and plant systems, Vessel construction, Technological steel construction, Installation of industrial plants, Mechanical engineering / aggregate manufacturing, Special valve construction, Racks & skids
- Materials
- S355, Stainless steels material group 8, Nickel-alloyed steels group 9, Cast iron, PE (polyethylene), PP (polypropylene), PVDF, PVC
- Certificates
- DIN EN ISO 3834-3, DIN EN ISO 1090-2 / DIN EN 1090-1 (EXC 2), AD 2000 Merkblatt HP0, DVGW worksheet GW 301 (Group W 3), WHG specialist company (LAU/HBV under the Water Resources Act), DVGW GW 301 (Group W 3), WHG specialist company (LAU/HBV), DIN 18800 (Large suitability certificate)
- Founded
- 1990
- Industries
- Environmental technology (drinking, rain, municipal and industrial wastewater), Plant engineering (vacuum, textile, paper, energy, biodiesel, food), Recycling, Shipbuilding
- 01
Design (CAD/CAM)
- 02
Manufacturing of piping and vessel construction
- 03
Welding (steel, stainless steel, nickel-alloyed steels, plastics)
- 04
Installation of industrial plants
- 05
Commissioning and service
Materials & Processes
Steel up to S355
Technological steel construction for predominantly static applications according to DIN EN 1090-1 EXC 2.
Stainless steels, material group 8
Used in piping and vessel construction, especially for environmental and plant engineering applications; welder qualifications are available.
Nickel-alloyed steels, group 9
Processing for demanding applications in plant and vessel construction.
Polyethylene (PE)
Piping construction, including water pipelines according to DVGW GW 301 (W 3) up to 16 bar and DN 300.
Polypropylene (PP)
Plastic piping construction for industrial and environmental applications.
PVDF
Highly chemically resistant plastic for demanding piping systems.
PVC
Plastic piping for technical plant engineering.
Cast iron
Water pipelines according to DVGW GW 301 up to 16 bar operating pressure.
3D design software (CAD/CAM)
Digital design and manufacturing preparation, introduced with ERDF funding.
Certified welding company according to DIN EN ISO 3834-3
Certified welding production for steel, stainless steel and nickel-alloyed steels.
Site

Plauen
DEHeadquarters / manufacturing and installation
- Materials
- Steel up to S355, stainless steels (material group 8), nickel-alloyed steels (group 9), cast iron, PE, PP, PVDF, PVC
- 3D design software (CAD/CAM)
Components & Plant Equipment















Inside the production

Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Piping constructionInstallation | – | – | – | – | Steel, Stainless steel, PE, PP, PVDF, PVC, Cast iron |
| Plant engineering / manufacturing & installation of piping, vessel and plant systemsInstallation | – | – | – | – | Steel, Stainless steel, Plastics |
| Vessel constructionWelded construction | – | – | – | – | Steel, Stainless steel |
| Technological steel constructionWelded construction | – | – | – | – | Steel up to S355, Stainless steels material group 8, Nickel-alloyed steels group 9 |
| Installation of industrial plantsInstallation | – | – | – | – | – |
| Mechanical engineering / aggregate manufacturingEngineering | – | – | – | – | – |
| Special valve constructionInstallation | – | – | – | – | – |
| Racks & skidsInstallation | – | – | – | – | – |
| Sheet metal constructionsForming | – | – | – | – | Steel |
| Pipe constructionsInstallation | – | – | – | – | Steel, Stainless steel |
| Gas distributionInstallation | – | – | – | – | – |
| Mobile & container systemsInstallation | – | – | – | – | – |
| Construction of water pipelines made of cast iron, steel and PE up to 16 bar operating pressure andInstallation | – | – | – | – | Cast iron, Steel, PE |
| WeldingJoining | – | – | – | – | Steels up to S355, Stainless steels, Nickel-alloyed steels |
| Manufacture of centrifuge systems for plastic recyclingEngineering | – | – | – | – | – |
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| 3D design software (CAD/CAM) | – | – | – | – | Plauen |
Additional services
Reference customers
Quality & Certifications
UAP is certified as a welding company according to DIN EN ISO 3834-3 and as a manufacturer of steel constructions according to DIN EN 1090-1/2 (EXC 2). The quality management system is audited at regular intervals by the CERT bodies TÜV and KIWA; in addition, approvals according to AD 2000 HP0, DVGW GW 301 (W 3) and as a WHG (Water Resources Act) specialist company are held.
| Evidence | Plauen |
|---|---|
| DIN EN ISO 3834-3 | |
| DIN EN ISO 1090-2 / DIN EN 1090-1 (EXC 2) | |
| AD 2000 Merkblatt HP0 | |
| DVGW GW 301 (Group W 3) | |
| WHG specialist company (LAU/HBV) | |
| DIN 18800 (Large suitability certificate) |
Company History
- 1990
Foundation in Plauen/Vogtland
- 1992
Certificate for welding work according to DIN 8563-2
- 1993
Specialist company for LAU and HBV installations under the Water Resources Act (Wasserhaushaltsgesetz)
- 1998
Authorisation for re-stamping according to §14 of the Equipment Safety Act, later AD 2000 HP0 and TRD 201
- 2000
Certificate DIN EN 729-3; approval as a piping construction company according to DVGW GW 301 (W 3)
- 2001
Large suitability certificate according to DIN 18800
- 2009
Qualification for piping according to the Pressure Vessel Ordinance (AD Merkblatt HP0)
- 2010
Certificate DIN EN ISO 3834-3
- 2013
Certification of the quality management system according to DIN EN ISO 1090-2
- 2014
Major contract for piping construction at the Budva wastewater treatment plant, Montenegro
- 2015
Major contract for a cable manufacturing plant, Norway
- 2016
Completion of the ZIM project INTAQUA (mechanical centrifugal solid/liquid separation in wastewater); reference plant in a Hamburg underground station
- 2017
Conversion of a biodiesel plant for the Tecosol group
- 2018
Commissioning of production for a film sorting system