Headerbild

Your pipe fitting experts

Stainless steel unions and valves plus a broad range of accessories

Rapid ordering 

Order your items quickly and easily using the form.

Order templates

Use the order templates for recurring orders.

Order history 

Retrieve information about your online and offline orders.

Your pipe fitting source

Broad range of stainless steel (1.4571) products

EXMAR offers cutting and compression fittings, ball valves, valves and hose fittings in stainless steel 1.4571 and in almost any size. All items in our standard range are in stock. Short-term deliveries are also possible in larger quantities. With our own production, we guarantee our customers consistently high quality. In addition to the standard range, we also develop and manufacture customised solutions for pipe union technology.

We provide solutions for all industries and applications where liquids and gases are transported, distributed or regulated.

A team of 300 employees across eight locations in Europe and Asia develops, produces and markets a wide range of pipe union components. EXMAR GmbH is based in Bad Nauheim and is part of the internationally active SERTO Group.

Find out more

News

New image film -

New image film - "SERTO connects worlds"

The SERTO Group proudly presents its new image film! Experience how ‘SERTO connects worlds’ . Watch now!

read more
Changes to SERTO Group’s shareholder structure

Changes to SERTO Group’s shareholder structure

With EGS Beteiligungen AG, the SERTO Group has a long-term thinking Swiss investor on board. EGS Beteiligungen AG is part of the Ernst Göhner Foundation. Together we will continue to drive the company's development forward.

read more
Erweiterung des Produktionsstandortes in Tschechien

Expansion of the production site in the Czech Republic 

SERTO CZ is based in Klatovy, south of Pilsen and not far from the German-Czech border. The company has been part of the SERTO Group since 2008 and produces precision turned parts made of stainless steel for SERTO and EXMAR with 55 employees.

read more
IRIS certification for SERTO Group

IRIS certification for SERTO Group

IRIS, the "International Railway Industry Standard", is an internationally applicable requirement for the quality management systems of railway manufacturers and their suppliers. The SERTO Group has successfully passed the certification process.

read more

Industries and applications

Railway industry
Railway industry
Appliances and logistics solutions for train applications
More
Fire safety and extinguishing equipment
Fire safety and extinguishing equipment
Large diameters, high pressures and perfectly tight extinguishing and sprinkling systems
More
Mechanical and plant engineering
Mechanical and plant engineering
Appliances and systems for pumps, compressors, large diesel engines, presses or machine tools
More
Shipbuilding and offshore industries
Shipbuilding and offshore industries
Highly resistant to seawater, corrosion and fatigue. Components for ships and yachts, oil and gas production facilities and wharf and harbour equipment
More
Hydrogen and fuel cells
Hydrogen and fuel cells
Gastight and leakage-proof for electrolysers, fuel cells and H2 sensors
More
Dosing and painting equipment
Dosing and painting equipment
Appliances for painting and irrigation systems as well as for gas and liquid filling systems
More
Paper industry
Paper industry
EXMAR components and systems for pump sets, filtering and cleaning equipment, mixers and dosers, water-jet cutters as well as for humidifiers and material application units
More
Environmental technology
Environmental technology
Appliances and technologies for all water treatment, purifying, incineration and recycling applications
More

Product Highlights

Discover the wide range of EXMAR products
Straight connectors with taper and O-ring
Straight connectors with taper and O-ring
pre-assembled on tapered nipple side
XGKO-..L M
High pressure ball valves
High pressure ball valves
double-sided female thread to ISO 228/1
HKM-G
Stainless steel
Adjustable male adaptor elbow fittings
Adjustable male adaptor elbow fittings
with counter nut, sealing with restraining O-ring, ISO 1179-3
WEE-..LR/SR
Straight male adaptor connectors
Straight male adaptor connectors
profile sealing ring form E acc. ISO 9974-2
XGEV-..LM WD
Adjustable male adaptor standpipe fittings
Adjustable male adaptor standpipe fittings
pre-assembled on standpipe side, sealing edge form B acc. ISO 1179-4
ESS-..LR/SR
Blanking plugs with fixed nut
Blanking plugs with fixed nut
with O-ring
VMEM-..L/S
System solutions

System solutions

The SERTO Project Engineering Team develops, optimises and produces individual system solutions. Whether custom manufacturing, assembled pipes, ready-to-install assemblies or tested and highly technical system solutions – our experienced team of engineers will advise and guide you from your initial enquiry to series production.


The range of services we can provide can be tailored to your needs and requirements. As a system supplier with our own production facilities, we can respond to your wishes with flexibility.

Discover the possibilities

Services: we make everything possible

Whether you are looking for unions, couplings, valves, pipes or hoses – we are your producer for pipe union components. Our machinery is highly productive and always state-of-the-art thanks to continuous updates.

Benefit from our full service offer. We deliver straight and bent pipes, assemble pipelines and fit ready-to-install assemblies. Rely on our expertise in dealing with demanding materials and special materials, complex geometries and high-quality surfaces.

We manufacture customised special products in accordance with your requirements and have an ISO Class 8 clean room. Smart logistics solutions – just-in-time kits, consignment warehouse or delivery schedule – round off our service package.

Find out more

Exhibition ticker

The SERTO Group is represented at numerous trade fairs and exhibitions internationally. Our product experts will be happy to advise you about our unions, services and skills. We look forward to meeting you at our exhibition stands! Meet us at the following upcoming exhibitions:

31.03 - 04.04.25
HMI 2025 Hannover Messe
Hannover, Germany

24. - 26.04.25
India Steel 2025
Mumbai, India

Downloads

All major documents, catalogues and brochures at your fingertip

Download centre