
Manufacture of pipe couplings and pipe connection solutions for applications worldwide.
STRAUB Werke AG
Wangs, CHNew on Amplifa
About STRAUB
STRAUB Werke AG, based in Wangs (Switzerland), manufactures pipe couplings and pipe connection solutions that are used worldwide across a wide range of industries. The product range comprises tension-resistant pipe couplings (including STRAUB-METAL-GRIP, STRAUB-GRIP, STRAUB-PLAST-GRIP, STRAUB-COMBI-GRIP), non-tension-resistant pipe couplings (STRAUB-FLEX, OPEN-FLEX, STEP-FLEX, SQUARE-FLEX, REP-FLEX, STRAUB-CLAMP) as well as fittings such as bends, tees, reducers and flange adapters. In addition to product manufacturing, the company offers complete solutions: from situation analysis through pre-engineering, engineering and system procurement with quality assurance to installation, commissioning, service and maintenance. Reference projects include, among others, the winter recirculation line of the Gösgen nuclear power plant, a pressure pipeline for the Vorarlberger Illwerke at the Klösterle power station, a wastewater treatment system in Singapore and drinking water supply projects in Florida. The couplings are made, among other things, from steel (electro-galvanized with epoxy coatings) and with stainless steel band inserts.
- Site
- CH-7323 Wangs
- Processes
- Manufacture of pipe couplings and pipe connection solutions (tension-resistant pipe couplings:, Manufacture of non-tension-resistant pipe couplings (STRAUB-FLEX 1–4, STRAUB-OPEN-FLEX 1–4,, Fittings: bend 90°, bend 45°, tee, reduced tee, concentric reducer,, Complete solutions / project processes: situation analysis, pre-engineering, engineering,, Installation / commissioning of piping systems (including project management, e.g. winter, Service and maintenance (regular maintenance of pipe connection systems), Pressure testing of pipe couplings (prototype testing and pressure tests on installed couplings,, Corrosion protection / coating of pipe couplings: electro-galvanized (triple-coated) with
- Materials
- Stainless steel (stainless steel band insert for pipe couplings), Steel (200 mm wide steel band insert), GRP-UP (glass-fibre reinforced plastic made from unsaturated polyester resins, chopped glass fibres, Cast iron (PAM cast iron pipeline with push-on sockets; application context), Steel, Stainless steel, GRP-UP (glass-fibre reinforced plastic), Cast iron
- Industries
- Drinking water supply, Wastewater disposal, Power plant technology / nuclear power, Hydropower
- 01
Situation analysis
- 02
Pre-engineering
- 03
Engineering
- 04
System procurement / quality assurance
- 05
Manufacture of the pipe couplings
- 06
Installation / commissioning
- 07
Service and maintenance
Materials & Processes
Steel
Band inserts and galvanized coupling housings, triple-coated (electro-galvanized, double epoxy coating) for corrosion protection.
Stainless steel
Band inserts for pipe couplings, e.g. for angularly offset pipe connections at the Gösgen nuclear power plant.
GRP-UP (glass-fibre reinforced plastic)
HOBAS pipes used in the application context, made from unsaturated polyester resins, glass fibres and mineral reinforcing materials.
Cast iron
Cast iron pipe lines joined in the application context (e.g. PAM cast iron pipeline with push-on sockets).
Locations
Wangs
CHHeadquarters
Pipe Couplings















Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of pipe couplings and pipe connection solutions (tension-resistant pipe couplings:Joining | – | – | – | – | – |
| Manufacture of non-tension-resistant pipe couplings (STRAUB-FLEX 1–4, STRAUB-OPEN-FLEX 1–4,Joining | – | – | – | – | – |
| Fittings: bend 90°, bend 45°, tee, reduced tee, concentric reducer,Joining | – | – | – | – | – |
| Complete solutions / project processes: situation analysis, pre-engineering, engineering,Engineering | – | – | – | – | – |
| Installation / commissioning of piping systems (including project management, e.g. winterAssembly | – | – | – | – | – |
| Service and maintenance (regular maintenance of pipe connection systems)Assembly | – | – | – | – | – |
| Pressure testing of pipe couplings (prototype testing and pressure tests on installed couplings,Testing | – | Nominal diameter 1670.0 mm | 50 kg | – | – |
| Corrosion protection / coating of pipe couplings: electro-galvanized (triple-coated) withSurface | – | – | – | – | Steel (galvanized), Epoxy coating |
Additional services
Reference customers