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ULMAN – Fertigung

Development, production and distribution of seals, membranes, rubber moulded parts and PTFE products

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ULMAN Dichtungstechnik GmbH

Gärtringen (DE) · Neudenau (DE) · Vienna (AT) · Sindelfingen (DE)New on Amplifa

1970Founded
114Employees (Group)
4 locationsGärtringen, Neudenau, Vienna, Sindelfingen
≈507 millionitems sold (2025)
>33.3 million €Revenue (Group)

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
  1. 01

    Technical consulting and design (FEA simulation)

  2. 02

    Material and product development (prototype to series)

  3. 03

    Production in Neudenau (membranes, rubber moulded parts, PTFE products)

  4. 04

  5. 05

    Surface finishing/coating

  6. 06

    Tailored logistics and worldwide distribution

Locations of the ULMAN Group

Standort Gärtringen

Gärtringen

DE

Headquarters with sales, engineering, development, quality assurance and distribution warehouse

Materials
Elastomers, PTFE
  • Keyence VHX-950F digital microscope
Standort Neudenau

Neudenau

DE

Production 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

AT

ULMAN Industriebedarf GmbH: sales and production of flat gaskets, gland packings, metal seals

Materials
Pure graphite, technical fibres, metals

Sindelfingen

DE

Distribution warehouse of Schnorr GmbH

Components and Products

O-ring
O-ringInjection moulding/vulcanisation · Hydraulics, mechanical engineering
PTFE composite membrane
PTFE composite membraneComposite membrane technology · Automotive, medical
Rubber moulded part
Rubber moulded partInjection moulding/vulcanisation · Industry, mechanical engineering
Radial shaft seal (RWD)
Radial shaft seal (RWD)Rotary seal · Drive technology
Rod seal/piston seal
Rod seal/piston sealDynamic seal · Hydraulics
Flat gasket
Flat gasketCutting/moulded part · Chemical plant engineering

Inside the production

Material variety for sealing technology
Material variety for sealing technology
Coating of membranes
Coating of membranes
Sealing solutions for hydraulics
Sealing solutions for hydraulics
Sealing solutions for mechanical engineering
Sealing solutions for mechanical engineering
Approved materials for drinking water
Approved materials for drinking water

Industries

HydraulicsMechanical engineeringDrinking waterAutomotiveIndustryPetrochemicalsChemical industryFoodMedicalPlant engineeringDrive and electrical engineeringPump and valve manufacturing

1 Anlagen & Maschinen

MachineManufacturer / modelQuantityWorking areaYear builtSite
Digital microscopeKeyence VHX-950F–––Gärtringen, Germany

Additional services

Custom product development (prototype to series product)FEA simulationTechnical consultingQuality assurance/testing (machine testing)Surface finishingCoatingTailored logisticsInitial sampling according to VDA Volume 2 / PPAPTest certificates according to DIN 10204

Reference customers

Schnorr GmbH & Co. KG (distribution warehouse)

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.

EvidenceGärtringen
ISO 9001:2015
ISO 14001:2015
WRAS Material Approval (EPDM E7131)

History

  1. 1947

    Founding of TITAN Industriebedarf Vertriebsges. m.b.H. (today ULMAN Industriebedarf GmbH) in Vienna

  2. 1970

    Founding of ULMAN Dichtungstechnik GmbH as a distributor of O-rings

  3. 1981

    Relocation to Otto-Hahn-Straße (company headquarters until 2018)

  4. 1987

    Founding of MET Membran-Elastomer-Technik GmbH & Co. KG in Neudenau/Jagst

  5. 2000

    Acquisition of TITAN Vertriebsgesellschaft m.b.H. in Vienna, a 100% subsidiary of ULMAN Dichtungstechnik GmbH

  6. 2007

    Expansion of the company building at the Sindelfingen site

  7. 2008

    Renaming of MET to ULMAN Produktion GmbH & Co. KG

  8. 2018

    New building and company relocation to Gärtringen

  9. 2026

    Acquisition of the ULMAN Group by Jakobi Holding

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