
Manufacture and assembly of hose lines, hydraulic fittings and pipe connection components including testing service and on-site emergency service

Hydraulik Schmitz Siegen GmbH
57072 Siegen-TrupbachNew on Amplifa
Competence centre for hose and fitting technology
Hydraulik Schmitz Siegen GmbH is a competence centre for hose and fitting technology based in Siegen-Trupbach. The company assembles quality-tested hose lines – from hydraulic and industrial hoses to chemical, pharmaceutical and steam hoses as well as film-wrapped hoses – and manufactures custom hydraulic fittings and pipelines. In addition, it offers mechanical machining and special fitting construction in steel, stainless steel, brass, malleable cast iron and aluminium. The product range includes fittings, couplings, flanges, gaskets, hydraulic and compressed-air components as well as pumps for industry, mechanical engineering, plant construction, trades, agriculture, commerce, municipal technology and fire protection. Services include hose management, a hose testing service with pressure testing on behalf of customers, maintenance of hydraulic systems and the mobile Schlauchblitz emergency service, which manufactures and installs hydraulic hose lines directly on site. As the first CE-certified specialist company for hose and fitting technology in South Westphalia, the company manufactures hose lines in accordance with the Pressure Equipment Directive 2014/68/EU with declaration of conformity and 3.1 certificate. Modern warehousing enables short-notice, flexible solutions to reduce machine downtime.
- Site
- Siegen (Trupbach)
- Processes
- Manufacture of quality hose lines (hydraulic and industrial hoses,, CE hose lines with declaration of conformity and 3.1 certificate (BG-Chemie compliant), Hose testing service / pressure testing on behalf of customers, Schlauchblitz on-site service (emergency service, manufacture and installation of hydraulic hose, Hose management, Consulting & Development, Mechanical machining, Special fitting construction (immediate manufacture of special fittings)
- Materials
- Steel (swivel nuts, fittings), Stainless steel (V2A/V4A, AISI 316), Brass, Malleable cast iron, Light metal (aluminium), Copper (copper pipes, solder fittings, CU stranded wire), Gunmetal, EPDM rubber
- Certificates
- CE certification PED 2014/68/EU, VTH membership, EN 12115 / EN 13765 product conformity
- Industries
- Industry, Mechanical engineering, Trades, Agriculture, Commerce, Municipal technology
- 01
Consulting & Development
- 02
Procurement from modern warehousing
- 03
Mechanical machining / special fitting construction
- 04
Assembly of hose lines
- 05
Pressure testing / hose testing service
- 06
CE marking, declaration of conformity, 3.1 certificate
- 07
Delivery / on-site installation
Materials & Processes
Stainless steel (V2A/V4A, AISI 316)
For swivel nuts, grooved nuts DIN 11851/SMS 1145, chemical and film-wrapped hoses with stainless steel spiral.
Steel (partly galvanised)
Swivel nuts, fittings and metal suction hoses for hydraulics and process technology.
Brass
Swivel nuts and fittings for standard pipe connections.
Malleable cast iron
Special swivel nuts and fittings, including with knurled thread.
Aluminium (light metal)
Lightweight distributor pieces and special nuts, e.g. for tank wagons.
Copper / gunmetal
Copper pipes, solder fittings and CU stranded wire for electrical discharge.
EPDM rubber
Chemical and steam hoses according to EN 12115 or DIN EN ISO 6134.
PTFE / FEP / UPE
Liners for chemical and pharmaceutical hoses for aggressive media.
Polyurethane / PVC / polyethylene / PP / silicone / neoprene
Hose cores for suction, conveying, film-wrapped and pharmaceutical hoses.
Locations
Siegen-Trupbach
DEHeadquarters, specialist workshop, hose assembly, service base
- Materials
- Stainless steel, steel, brass, malleable cast iron, aluminium, rubber, PTFE
- Specially equipped Schlauchblitz service vehicles
- Testing equipment for pressure testing
Components & Products




Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Manufacture of quality hose lines (hydraulic and industrial hoses,Assembly | – | – | – | – | Rubber, PTFE, Polyurethane, Stainless steel |
| CE hose lines with declaration of conformity and 3.1 certificate (BG-Chemie compliant)Testing | – | – | – | – | – |
| Hose testing service / pressure testing on behalf of customersTesting | – | – | – | – | – |
| Schlauchblitz on-site service (emergency service, manufacture and installation of hydraulic hoseAssembly | – | – | – | – | – |
| Hose managementEngineering | – | – | – | – | – |
| Consulting & DevelopmentEngineering | – | – | – | – | – |
| Mechanical machiningMachining | – | – | – | – | Steel, Stainless steel, Brass, Light metal (aluminium), Malleable cast iron |
| Special fitting construction (immediate manufacture of special fittings)Machining | – | – | – | – | Steel, Stainless steel, Brass, Malleable cast iron, Light metal (aluminium) |
| Custom manufacture of hydraulic fittings and pipelinesAssembly | – | – | – | – | – |
| Maintenance work on hydraulic systemsAssembly | – | – | – | – | – |
Additional services
Quality & Certification
As the first CE-certified specialist company for hose and fitting technology in South Westphalia, the company manufactures hose lines in accordance with the Pressure Equipment Directive 2014/68/EU with declaration of conformity and 3.1 certificate (BG-Chemie compliant). Its own hose testing service with pressure testing on behalf of customers documents results in paper form or digitally.
| Evidence | Siegen-Trupbach |
|---|---|
| CE certification PED 2014/68/EU | |
| VTH membership | |
| EN 12115 / EN 13765 product conformity |
History
- 1960er
Founder Hermann Schmitz, originally active in fire protection, opens up the hydraulics and technical trading business segment through the construction of the A 45 motorway.
- 2011
First hose specialist company in South Westphalia to be certified according to the Pressure Equipment Directive PED 97/23/EC.
- 2014
Recertification according to the new Pressure Equipment Directive 2014/68/EU; manufacture and CE marking of hose lines according to the new standard.