Professional Welding Services

Stainless steel piping, welded to pharmaceutical standards

PURWELD s.r.o. delivers precision TIG and orbital welding for pharmaceutical, food and industrial plants — clean welds, high purity, zero compromise.

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9+ years of hands-on experience
EN ISO 9606-1 certified welders
Pharma · Food · Industry

Stainless steel process piping with sanitary diaphragm valves in a pharmaceutical plant

About PURWELD

Built on real experience — not theory

PURWELD s.r.o. is a specialized company focused on stainless steel piping and high-quality welding solutions. With over 9 years of hands-on experience in pharmaceutical, food and industrial projects, we deliver precision, reliability and clean execution.

We manufacture complete piping systems from provided documentation — isometric drawings, P&ID diagrams and 3D models — and integrate them on site, from small service jobs to full production lines.

Experienced in pharmaceutical environments
High-quality TIG welding of stainless steel
Flexible team capacity for small and large projects
Focus on detail, cleanliness and standards

Stainless steel process skid with pumps and instrumentation

years of experience

countries served

EN ISO 9606-1

certified welders

IWE / IWT

certified supervision

What we do

Welding expertise for high-purity systems

Manual and orbital welding of stainless steel, pipe system fabrication from your documentation, and full quality control — supervised by certified IWE/IWT welding specialists.

TIG manual welding

High-purity TIG welding of stainless steel for hygienic and process piping, with perfect weld appearance and penetration.

ISO 4063: 141, 142

TIG orbital welding

Automated orbital welding for maximum precision and repeatability on high-purity systems and cleanroom installations.

ISO 4063: 141, 142

MIG/MAG welding

Semi-automatic welding of carbon and structural steel for frames, supports and industrial structures.

ISO 4063: 131, 135

Pipe system fabrication

Complete piping systems manufactured from isometric drawings, P&ID diagrams and 3D models — fabrication based on provided documentation.

Isometrics · P&ID · 3D

Visual weld inspection

Visual inspection of welds with video or photographic recording using modern endoscopic equipment.

Leak testing

Leak testing of individual assemblies, including evaluation and documentation in a test report.

Quality & Materials

Quality. Safety. Documentation.

The entire production process is supervised by certified welding supervision and backed by documented testing.

Certifications & supervision

EN ISO 9606-1 certified welders
IWE / IWT certified welding supervision
Endoscopic visual weld inspection with photo/video records
Documented leak testing with test reports
Orbital welding machines and +GF+ circular saws for precise pipe cutting

Materials we work with

1.4301 / 1.4404 (AISI 304 / 316L)
Duplex 2205
Carbon Steel S235 / S355
P235GH / P265GH
16Mo3 / CrMo alloys

Welding dimensions

tube diameter fromØ 6 mm+

material thickness from1.5 mm+

Clean welds. High purity. Zero compromise.

Reference projects

Nine years of European projects

From dairy plants in Norway to insulin production in the Czech Republic — a track record of high-purity installations across Europe and beyond.

2017
GEA
Milk powder dryer Switzerland · CH
Scope: Complete installation of process piping and stainless steel equipment — TIG & orbital welding, full assembly and integration.
2017
Milkron
Milk processing plant Norway · NO
Scope: Stainless steel piping systems based on 3D documentation — pipe bridges, tank installation, process equipment assembly.
2020
Cremo
Yogurt production plant Switzerland · CH
Scope: Complete AISI 316L piping systems, wall thickness 2.6 mm — TIG & orbital welding, installation and integration.
2021
Brouwerij Roman
Historic brewery — operating since 1545 Belgium · BE
Scope: Complete CIP piping system — hygienic welding for the food industry, integration into the existing brewery.
2022
IQFarma
Pharmaceutical plant — service Peru · PE
Scope: Piping rerouting and system modification in AISI 316L — integration into the existing system, testing and commissioning.
2023
Margarine Production Plant
Margarine production station Germany · DE
Scope: Complete process line installation — stainless steel piping, process equipment assembly, full integration.
2024
Cellforce Group (Porsche)
Battery electrolyte production system Germany · DE
Scope: Complete stainless steel installation for fluid processing in a cleanroom environment — for the Porsche battery subsidiary.
2025
AZO Liquids
Sauce production line (mayo / ketchup) Germany · DE
Scope: Turnkey solution from A to Z — frame manufacturing, complete AISI 304/316L piping, assembly and integration.
2026
Novo Nordisk
Insulin production — pharmaceutical plant Czech Republic · CZ
Scope: Stainless steel piping to P&ID in cleanroom environment — WFI, Pure Steam, Compressed Air, system testing and validation.