Contact
Products

Our Seal Assembly Solutions

Whether O-rings, lip seals, shaped seals, or special seals—we take on a challenging task: feeding and assembling seals! For decades, we have been THE specialist in complex assembly technology.

Talk to Our Experts

Our Products for Automatic Assembly of Seals & O-Rings

We offer a wide range of solutions in our portfolio for you.

  • From standard solutions to custom-made designs
  • Assembly of face-side, internal, and external seals
  • Feeding, assembling, testing, and beyond
  • Manual, semi-automatic, automatic machines, and fully integrated systems

Manual Assembly Fixtures

Our entry-level solutions for secure and reproducible seal assembly. Be sure to also check out our overview page for seal and O-ring assembly fixtures.

OA 5

Simple and universally applicable – your added flexibility for external seal rings.

To the Product

OI 10

Simply brilliant – secure assembly of internal O-rings and seal rings.

To the Product

OA ROTA Compact

Maximum Twist Freedom Through New Assembly Principle.

To the Product

OA 8

Tailored special solutions – also available for small batch sizes.

To the Product

Semi-Automatic Machines

With our semi-automatic machines, only the products need to be fed manually. The seals are fully automatically sorted, fed, and assembled. Learn all about our full and semi-automatic solutions on our overview page for automatic seal and O-ring assembly.

OA 290

Simply Better: Fast, Flexible, Reliable – Semi-Automatic System for Assembling External O-Rings and Seals.

To the Product

OI 10 – 250/400

A brilliant idea and automated – semi-automatic system for assembling internal O-rings.

To the Product

Special Solutions – Semi-Automatic

Tailored special solutions – also available as semi-automated systems for larger batch sizes.

To the Product

Integration Moduls

Integrate OHRMANN’s expertise from nearly 40 years and over 100 billion assembled seals directly into your system! With our integration solutions, your production line assembles seals according to the unique OHRMANN standard!

OA 3XX

Feeding and Assembly – complete modules for integration into machines and systems.

To the Product

OA/OI Stations

Proven stations for assembling internal and external seals beyond the standard modular system.

To the Product

OA 125

The perfect integration module for when size becomes a challenge.

To the Product

OA ROTA Station

Solves seal assembly challenges previously deemed unsolvable.

To the Product

OI 100

Premier discipline – reliable assembly of complex, deep-seated internal seals.

To the Product

Fully Automatic Seal Assembly

The pinnacle of O-ring and seal assembly technology at the highest level of automation! Our fully automatic machines keep running—whether you’re there or not.

OA 700

Assembling seals? With OA fully automated systems, it’s practically effortless!

To the Product

Rotary Indexing Machine

Seals and Beyond – Compact Solutions for Assembling Multiple Components.

To the Product

Complex, Interlinked Systems

Our highest level of automation – multiple processes integrated into a single system alongside seal assembly.

To the Product

Robotics

Need even more flexibility? Robotic automation adapts to your requirements.

To the Product

Feeding Technology

Perfectly in sync – from vibratory bowl feeders to flexible bin picking systems for seamless integration into our machines.

To the Product

OHRMANN’s Global and Market Innovation

OA ROTA – Product Family

The OA ROTA tackles seal assembly challenges previously considered unsolvable. Based on a newly patented rotational kinematics process, the seal is expanded and assembled. This method enables new design freedoms in product development and is available in various levels of automation.

OA ROTA compact OA ROTA station

Service

All-in-One Service for Your Needs

Of course, we remain your first point of contact for spare parts, maintenance or repair services, training, and any future modifications or upgrades to your equipment, if needed.

Learn More

Areas of Application

Automotive

Whether e-mobility or combustion engines, countless components in vehicles rely on secure sealing. We provide process reliability in seal assembly.

Fittings & Valves

Whether visible in the bathroom or concealed behind walls—fittings and valves must be reliably sealed. We provide reproducible and gentle seal assembly to ensure this reliability.

Electronics

Whether sensors or connectors—our seal assembly solutions provide the perfect protection for your valuable electronic components.

Pneumatics & Hydraulics

Hoses, pipelines, valves, and much more. Wherever fluids or gases flow, pioneering technologies from OHRMANN are in action.

Medical Technology

In medicine, absolute quality and precision are essential. We are fully aware of this special responsibility and, for example, provide assembly solutions for seals used in infusion systems.

Household & Consumer Electronics

Our solutions can be found in nearly every household. Whether in dishwashers, washing machines, or dryers—people everywhere benefit from OHRMANN.

Hygiene & Cosmetics

Hoses, pipelines, valves, and much more. Wherever fluids or gases flow, pioneering technologies from OHRMANN come into play.

Missing your industry?

Wherever gases or liquids are involved, reliable sealing is absolutely essential. We provide tailored solutions for every seal assembly challenge.

We Are Happy to Advise You

Are you looking for a solution for the installation of seals? Contact us, we will be happy to advise you:

  • Assembly task (internal or external seal)
  • Components
  • Seal specification (material, cross-section, dimensions)
  • Production volume or cycle time
  • Desired level of automation (manual, semi-automatic, fully automatic)

Sales:

+49 2924 9714-32
sales@ohrmann.de
Contact Services

For more information about how we handle your personal data, please see our privacy policy.

An der Haar 27–31
59519 Möhnesee
Products & Services
Company
© OHRMANN 2025 - All rights reserved