
Manufacture of pressure vessels, apparatuses, heat exchangers and pipework made of stainless steel and special materials in accordance with AD 2000 and ASME.
Barth+Höpfinger GmbH Behälter- und Apparatebau
An der Enz 1, 75223 Niefern-Öschelbronn · GermanyNew on Amplifa
About Barth + Höpfinger
Barth+Höpfinger GmbH is a family-owned company in vessel and apparatus construction based in Niefern-Öschelbronn, Baden-Württemberg. Founded in 1912, the company with 25 employees manufactures pressure vessels, vacuum vessels, apparatuses, shell-and-tube heat exchangers, test systems and complete plants including pipework made of stainless steel and special materials, individually built to customer specifications. Production covers one-off items, prototypes and small series from less than 10 litres to approx. 10,000 litres of vessel volume, and apparatuses up to approx. 6 m in height and 5 t in weight, with pressures up to 600 bar and wall thicknesses of 1 to 15 mm. An in-house engineering and design office handles design and calculation in accordance with AD 2000, EN 13445, ASME and the Pressure Equipment Directive, as well as the preparation of CAD drawings, welding specifications and inspection plans. Customers include the chemical and petrochemical industry, environmental engineering, the food industry, filtration technology and electroplating, among them companies such as BASF, Bayer, Degussa, GEA and Linde. Acceptance testing in accordance with PED and ASME is carried out in-house.
- Site
- Niefern-Öschelbronn
- Processes
- Welded constructions in stainless steel and special materials, Manufacture of apparatuses and plants including complete pipework, Manufacture of vessels, pressure vessels and vacuum vessels, Manufacture of shell-and-tube heat exchangers (surface condensers, evaporators, coolers), Manufacture of test systems and prototypes, Manufacture of reducers / cones / cones (sheet metal forming and manual machining), Small series and batch production (apparatuses, vessels, heat exchangers, housings etc.), Cutting of pipe sections, discs, sheet blanks
- Materials
- Stainless steel, 1.4301, 1.4541, 1.4404, 1.4435, 1.4571, 316L, 317L
- Certificates
- ASME BPVC Section VIII Div. 1 (U-Stamp), AD-2000-HP0 / DIN EN ISO 3834 / HP100R / DIN EN 13445, Pressure Equipment Directive 2014/68/EU Module A2, Water Resources Act certified company §19l WHG, ASME B31.3, B31.12 (piping construction), CRN (Canadian Registration Number approval), Restamping authorization in accordance with EN 10204, AD-2000-HP0 / DIN EN ISO 3834 / DIN EN 13445, ASME B31.3 / B31.12 piping construction, CRN (Canadian registration)
- Founded
- 1912
- Employees
- 25
- Industries
- Chemical industry, Petrochemicals, Environmental engineering, Food industry, Filtration technology, Electroplating/surface technology
- 01
Consulting and design (AD 2000, ASME, PED, VDI Heat Atlas/TEMA)
- 02
Design (CAD, 2D/3D)
- 03
Cutting of sheets and pipes
- 04
Forming (cones, reducers)
- 05
Welded constructions (apparatuses, vessels, heat exchangers)
- 06
Surface treatment (brushed, glass bead blasted, electropolished,
- 07
Non-destructive testing (X-ray, VT, PT, UT)
- 08
Acceptance testing in accordance with PED and ASME in-house
- 09
Pre-assembly and complete pipework
- 10
Documentation (German, English, Russian)
Materials and Processes
Stainless steel 1.4301
Standard austenitic stainless steel for hygienic vessels and apparatuses.
Stainless steel 1.4404
V4A stainless steel for corrosion-resistant pressure and food-grade vessels.
Stainless steel 1.4571
Titanium-stabilized stainless steel for apparatuses, filter housings and piping systems.
Duplex 1.4462
Duplex steel with high strength and corrosion resistance, among other uses for high-pressure test systems.
Stainless steel 1.4539
Seawater-resistant fully austenitic steel for chemical apparatuses and filtration technology.
Stainless steel 904L
Acid-resistant material, e.g. for sour gas separators.
Titanium Gr.2 / Gr.7
Corrosion-resistant with chlorine-containing media, e.g. for jet pumps.
Nickel-based alloys (Hastelloy, Alloy C22, C276, 825 and others)
Resistant to aggressive chemicals such as hydrochloric acid in the chemical industry.
Boiler steel A516
Unalloyed pressure vessel steel, e.g. for heated vessels with half pipes.
Pure nickel, Monel, copper, silver, zirconium
Special materials with qualified welding procedures for special applications.
Electropolishing / surface treatment
Brushed, glass bead blasted, electropolished and coated surfaces up to Ra ≤ 0.8 µm for food applications.
Locations
Niefern-Öschelbronn
DEHeadquarters, manufacturing, engineering and design office
- Part weight / size
- a few kg to 5 t
- Lot size
- One-off items, prototypes from 3 pieces to several 100 pieces
- Materials
- Stainless steel, duplex, titanium, nickel-based alloys
- Circular welding machine
- AutoCAD mechanical / Inventor (2D/3D)
Components





Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Welded constructions in stainless steel and special materialsJoining | – | – | – | – | Stainless steel, Hastelloy, Duplex, Titanium |
| Manufacture of apparatuses and plants including complete pipeworkJoining | – | approx. 6 m height | a few kg – 5 t | – | Stainless steel, Special materials, Hastelloy, Duplex, Titanium |
| Manufacture of vessels, pressure vessels and vacuum vesselsJoining | – | – | – | less than 10 l volume – approx. 10,000 l volume | Stainless steel, Duplex, 904L, Hastelloy, Titanium, A516, 1.4404, 316L |
| Manufacture of shell-and-tube heat exchangers (surface condensers, evaporators, coolers)Joining | – | – | – | – | Stainless steel, Austenitic, Duplex steels, Nickel-based alloys, Alloy C22, 1.4571, 1.4404, 1.4462 |
| Manufacture of test systems and prototypesJoining | – | – | – | – | Stainless steel, Special materials, Duplex 1.4462 |
| Manufacture of reducers / cones / cones (sheet metal forming and manual machining)Forming | – | up to approx. 2.5 m × diameter 20 to 1500mm | – | – | Stainless steel, Hastelloy, Titanium |
| Small series and batch production (apparatuses, vessels, heat exchangers, housings etc.)Joining | – | – | – | from 3 pieces – several 100 pieces | Stainless steel, Special materials |
| Cutting of pipe sections, discs, sheet blanksMachining | – | – | – | – | Stainless steel |
| Surface treatment (brushed, glass bead blasted, electropolished, ground, coated)Surface | Ra ≤ 0.8 µm (electropolished, | – | – | – | Stainless steel |
| Manufacture of filter housings and system components for liquid and gas filtrationJoining | – | – | – | – | 1.4404, 1.4571, 1.4462, 1.4539, 1.4410 |
| Manufacture of hygienic vessels and apparatuses for the food industry (Ra ≤ 0.8 µm,Joining | Ra ≤ 0.8 µm | – | – | – | 1.4301, 1.4404, 1.4435 |
| Manufacture of apparatuses and piping systems for chemical/petrochemical applicationsJoining | – | – | – | – | 1.4539, 1.4462, 1.4571, Hastelloy, Inconel, Titanium |
| Manufacture of pressure vessels, heat exchangers and pipework for environmental engineeringJoining | – | – | – | – | Stainless steel, Duplex, Special materials |
| Consulting, design/calculation (AD2000, ASME, PED 2014/68/EU, VDI Heat Atlas/TEMA),Engineering | – | – | – | – | – |
| Non-destructive testing (X-ray inspection, FE testing, VT, PT, RT, UT)Testing | – | – | – | – | – |
| Acceptance testing in accordance with DGRL and ASME in-house; pressure acceptance testing up to 600Testing | – | – | – | – | – |
| Pre-assembly and integration of apparatuses, vessels, heat exchangers into complete plantsAssembly | – | – | – | – | Stainless steel, Special materials |
2 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Circular welding machine | – | – | – | – | Niefern-Öschelbronn |
| Design software AutoCAD mechanical and Inventor (2D and 3D) | Autodesk AutoCAD mechanical, Inventor | – | – | – | Niefern-Öschelbronn |
Additional services
Reference customers
Quality and Approvals
Non-destructive testing (X-ray, VT, PT, UT) is carried out in-house; acceptance testing in accordance with the Pressure Equipment Directive and ASME is also performed in-house, with pressure acceptance testing up to 600 bar. Workshop staff are TÜV-certified welders under the direction of a master metalworker and a welding engineer.
| Evidence | Niefern-Öschelbronn |
|---|---|
| ASME BPVC Section VIII Div. 1 (U-Stamp) | |
| AD-2000-HP0 / DIN EN ISO 3834 / DIN EN 13445 | |
| Pressure Equipment Directive 2014/68/EU Module A2 | |
| Water Resources Act certified company §19l WHG | |
| ASME B31.3 / B31.12 piping construction | |
| CRN (Canadian registration) | |
| Restamping authorization in accordance with EN 10204 |
History
- 1912
Founding of the metalworking shop by Karl Barth in Niefern
- 1937
Richard Barth joins the company, expansion of the customer base to businesses (among others Kupfer-Waschkessel)
- 1960
Renate Barth marries Manfred Höpfinger; transition to exclusively business-to-business manufacturing, stainless steel vessels for metal cleaning systems (Roll, later Höckh)
Led by Renate and Manfred Höpfinger, transformation into modern vessel and apparatus construction
- 2021
Lorenz Höpfinger joins the company
- 2022
Robin Höpfinger joins the company (part-time); full-time from April 2023
Today led by Frank Höpfinger and Sabine Just-Höpfinger in the fourth generation