
Development, production and distribution of seals, membranes, rubber moulded parts and PTFE products
ULMAN Dichtungstechnik GmbH
Gärtringen (DE) · Neudenau (DE) · Vienna (AT) · Sindelfingen (DE)New on Amplifa
About ULMAN Dichtungstechnik GmbH
ULMAN Dichtungstechnik GmbH, based in Gärtringen (Baden-Württemberg), is a full-range supplier in general sealing technology. The ULMAN Group develops, produces and distributes standard and special seals such as O-rings, static, dynamic and rotary seals, flat gaskets, rubber moulded parts, rubber-to-metal bonds, gland packings as well as fabric-reinforced elastomer moulded membranes and PTFE composite membranes. Production takes place at the Group's own plant of ULMAN Produktion GmbH & Co. KG in Neudenau; materials processed include elastomers (including NBR, HNBR, EPDM, FKM, FFKM, VMQ), PTFE semi-finished products, thermoplastic elastomers, pure graphite and technical fibres. The Group supplies industries such as mechanical engineering, hydraulics, automotive, drinking water, chemicals, petrochemicals, food, medical, plant engineering as well as pump and valve manufacturing, and supports customers from FEA simulation through prototyping to series production. In 2025, 114 employees achieved approximately 507 million items sold; the Group is certified to ISO 9001 and ISO 14001.
- Site
- Gärtringen
- Processes
- Custom product development (prototype to series product), FEA simulation, Technical consulting, Quality assurance/testing (machine testing), Surface finishing, Coating, Tailored logistics, Initial sampling according to VDA Volume 2 / PPAP
- Materials
- Nitrile butadiene rubber, Hydrogenated nitrile butadiene rubber, Ethylene propylene diene rubber, Fluoro rubber, Perfluoro rubber, Acrylate rubber, Ethylene acrylate rubber, Vinyl methyl rubber (silicone)
- Certificates
- ISO 9001:2015, ISO 14001:2015, WRAS Material Approval (EPDM E7131)
- Founded
- 1970
- Employees
- 114
- Industries
- Hydraulics, Mechanical engineering, Drinking water, Automotive, Industry, Petrochemicals
- 01
Technical consulting and design (FEA simulation)
- 02
Material and product development (prototype to series)
- 03
Production in Neudenau (membranes, rubber moulded parts, PTFE products)
- 04
- 05
Surface finishing/coating
- 06
Tailored logistics and worldwide distribution
Locations of the ULMAN Group

Gärtringen
DEHeadquarters with sales, engineering, development, quality assurance and distribution warehouse
- Materials
- Elastomers, PTFE
- Keyence VHX-950F digital microscope

Neudenau
DEProduction site (ULMAN Produktion GmbH & Co. KG): membranes, rubber moulded parts, flap valves
- Lot size
- Prototype to series
- Materials
- Elastomers, PTFE
- Membrane manufacturing
- Injection moulding
Vienna
ATULMAN Industriebedarf GmbH: sales and production of flat gaskets, gland packings, metal seals
- Materials
- Pure graphite, technical fibres, metals
Sindelfingen
DEDistribution warehouse of Schnorr GmbH
Components and Products






Inside the production





Industries
1 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Digital microscope | Keyence VHX-950F | – | – | – | Gärtringen, Germany |
Additional services
Reference customers
Quality and Certification
Quality is ensured by a management system certified to DIN EN ISO 9001:2015 and DIN EN ISO 14001:2015 (TÜV SÜD, valid until 04.07.2028) as well as high-quality testing equipment including a Keyence VHX-950F digital microscope. Tests include dimensional, hardness, optical and resistance tests according to DIN ISO 3601-1, DIN ISO 48, ISO 3601-3, ISO 815, ISO 1817 and ISO 37, as well as initial sampling according to VDA Volume 2/PPAP.
| Evidence | Gärtringen |
|---|---|
| ISO 9001:2015 | |
| ISO 14001:2015 | |
| WRAS Material Approval (EPDM E7131) |
History
- 1947
Founding of TITAN Industriebedarf Vertriebsges. m.b.H. (today ULMAN Industriebedarf GmbH) in Vienna
- 1970
Founding of ULMAN Dichtungstechnik GmbH as a distributor of O-rings
- 1981
Relocation to Otto-Hahn-Straße (company headquarters until 2018)
- 1987
Founding of MET Membran-Elastomer-Technik GmbH & Co. KG in Neudenau/Jagst
- 2000
Acquisition of TITAN Vertriebsgesellschaft m.b.H. in Vienna, a 100% subsidiary of ULMAN Dichtungstechnik GmbH
- 2007
Expansion of the company building at the Sindelfingen site
- 2008
Renaming of MET to ULMAN Produktion GmbH & Co. KG
- 2018
New building and company relocation to Gärtringen
- 2026
Acquisition of the ULMAN Group by Jakobi Holding