3

Contents
04

Introduction

06

Our Vision

08

Expertise

10

Range of Products

14

Company History

20

Maier across the Globe

22

Leak-proof Solutions

24

Production

25

Certifications

26

Development

28

Locations4

5

Rotary Joints by Maier –A Union for Life
Excellent quality in products and service, safety andreliability as well as a treasure trove of experience
gained in more than 90 years of company history
provide the foundation for our leadership in rotary
joint technology. Our successful formula for optimalleak-proof solutions: intensive development combinedwith testing both in the laboratory and in the field –for high performance of machines and plants indifferent industries.

thermal oil, for conveying cooling lubricant or for controlling production processes by means of hydraulic oilor compressed air. Rotary joints by Maier are available
from our subsidiaries and a vast network of distributors all over the world.
This brochure invites you on a tour through our company and gives you an insight into our range of products and services. If you like to know more about us,
please visit our website: www.maier-heidenheim.de

Our company supplies many basic series, more than
one thousand standard types, and numerous special
solutions to safely connect pressure pipes to rotating
systems – for heating or cooling with water, steam orFirst Choice for all Industries
Plastic Industry
Paper Industry
Chemical / Pharmaceutical Industry
Food Industry
Textile Industry
In general, all kinds of Manufacturing Systems
Machine Tools
Renewable Energies

We create livelong
connections. This means …
… for our customers
The satisfaction and loyalty of
our customers is our first priority.
We cultivate personal relationships, listen closely to the concerns of our customers, and area reliable and dedicated partnerin every situation.

… for our employees
We provide our employees withlong-term development perspectives, are loyal and expect loyalty
in return, and show great appreciation for the expert knowledge
which our employees apply forthe benefit of the company.

… for our suppliers andservice providers
We cultivate trustful relationships
aimed at long-term cooperations
with our business associates.
We adhere to our agreements
and place emphasis on excellent
payment behavior.

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7

We are a successful
enterprise. This means …
… for our customers
We want to maintain andstrengthen our leading positionin the market with forward-looking development, financial
independence, and the focal
point on satisfied customers as
guarantors of our success.

Our Vision… for our employees
Success brings satisfaction – thisalso holds true for the daily
work. All employees contributeto the collective success byachieving the optimum results intheir field of work.

As an innovative family-owned enterprise that
goes back almost 100 years, we offer the bestproducts and service features worldwide.
Solution-oriented thinking and acting according
to ethical values are the cornerstones of our
success.
We set the standards for excellent quality. Thesestandards will make us grow in a sustainable andprofitable manner and strengthen our leadershipin technology.

Florian Maier
CEO and managing
associate

Andreas GreinerCEO… for our suppliers andservice providers
Companies who work with us
have to fulfil our high requirements and will benefit from thereliability of a successful partner
in return.

We act according to
ethical values. Thismeans …
… for our customers
We develop and sell products
which are sustainable due totheir quality and durability andwhich were produced under very
good working conditions.

… for our employees
We treat each other fairly, respect
the personality of other people
regardless of their position in thecompany, and distance ourselvesfrom any kind of discrimination.

… for our suppliers andservice providers
We pay fair prices for quality
work and are honest negotiating
partners.

89Competent –in Every Respect
Our name is synonymous with excellent
quality. This means …
… for our customers
We supply fully developed, longlasting and extremely reliable
products for which we offer
long-term aftersales support.

… for our employees
Quality requires qualification.
Therefore we give young people
a thorough vocational training,
constantly provide all employeeswith advanced education, andequip their workplaces with efficient tools and supplies for work.

… for our suppliers andservice providers
We expect consistent, first-classquality from our suppliers andstrive for a long-term and reliable
partnership.

As a result, our rotary joints are aguarantee for great operating safety
and supreme functionality, performance, and durability. Our competence begins at development andends with our service.
We offer our customers full support
throughout the whole lifetime of the
product. All around the globe, ourhighly skilled employees are happy tohelp you with their expertise.

QUALITYCERTIFICATION

Quality is the basis for our long-ranging success. It
begins with the use of high-quality materials fromcertified and audited suppliers. The high quality standard of our Maier Rotary Joints is achieved by further
processing the material in modern machining centers
and at state-of-the-art assembly stations, continuing
until the finished goods are packed.

Our customers can trust our products completely –because design and production of all rotary joints
comply with the European Pressure Vessel Regulations 2014/68/EU. We are approved manufacturers
according to AD2000-HP0 and EN ISO 3834.

ATEX
WORLDWIDE SERVICE
Upon inquiry, the Maier Service Team is at our customers’ disposal, offering qualified service technicians
to assure your machine is running efficiently andeconomically. We also provide assistance when ourcustomers have questions concerning modernization.

RELIABILITY
Our customers can always rely on our products andour employees. These are the quality standards which
we set for our products and for ourselves.

These are EU regulations for mechanical explosion protection. Marked rotary joints of series DP, DX, DQ, andH are certified according to the European Explosion
Protection Guideline 2014/34/EU for category 2G intemperature classes T2, T3 and T4. We supply these
special rotary joints in compliance with the required
ATEX specification upon request.

We are leaders intechnology. This means …
… for our customers
Our customers receive rotary
joints for all pressures, temperatures, media, and speeds. We set
the standards because researchand development are important
key areas of our enterprise.

… for our employees
We involve all employees in ourdevelopment and improvement
processes. We encourage themto think things through and tocontribute their own ideas.

… for our suppliers andservice providers
We appreciate suppliers andservice providers with a great
deal of innovative strength whoare prepared to participate in
the process of continuous enhancement and will share theirknow-how.

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11

DQ

H

Rotary joints for thermal oil with vast temperature and speed
ranges and balanced mechanical seal. DQ, DQT, DQTX withadditional cooling circuit for cooling and lubricating bearingsand seal. Meet the requirements of high-speed calenders.
Patented system.

All-purpose rotary joints with maintenance-free slide bushingand sealing ring of artificial carbon. Metal-impregnated sealing
ring for thermal oil; suitable for a high compressive load whenused with hot water and steam. H3 with integrated vacuum
valve for steam cylinders. Great number of different designs.

M

DZ

Our Solutions
at a GlanceThis is to give you a summary of the advantages, the ranges of application,and the performance spectrum of Maier Rotary Joints.

K / KL / KSMPHigh performance rotary joints for the internal supply of coolingagent to machine tools. Series K with TESS technology (Thermal
Expansion Sealing System) is substantially suitable for dry run (doesnot apply to KS). They can be used with a minimum amount of
lubricant (MQL). This is achieved by an internationally patented
proprietary development.

Multi-passage rotary joints for various media and pressures withthe option to separate passages completely. The dimensions asshown in our catalogue are to give you a first impression of thetechnical possibilities and the application potential.

Sturdy rotary joints for soiled media at low speeds.

Rotary joints for compressed air. Several channels for differentpressures as well as for large and small volumes. Design withspecial sealing rings and ceramic or hard material counter faces.

DX

DP

DA

DC

All-purpose rotary joints for water, equipped with mechanicalseal and roller bearings. DXS with extremely resistant, ceramiccoated sealing face for higher temperatures and speeds anda long service life.

All-purpose rotary joints for water and thermal oil with balanced
mechanical seal and roller bearings. Various sealing combinations are available, depending on application. Meet the special
requirements of the printing and plastic industries.

Rotary joints supported by rods with maintenance-free, metalimpregnated sealing rings.

Rotary joints for hot water and steam at high pressures andspeeds. Balanced mechanical seal with external water cooling.
Meet the special requirements of paper and nonwoven calenders,
fiber and corrugated paper plants. Suitable for big, steam-heateddryers. Patented system.

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13

Maier Rotary Joints
are fittings to connect piping to rotating rollers
and units for conveying media under pressure andtemperature.
Maier Rotary Joints are suitable for cold and hot
water; steam up to 250°C, 40 bar; thermal oil up to
390°C; hydraulic oil up to 350 bar; compressed air

Series

DA
Type

DC

MediumCooling water
Hot water
Steam

DC

•
•
•

•

up to 40 bar; chemicals; cooling lubricant up to 150
bar; vacuum; high speeds; and dry run. There are
10 standard series available in nominal sizes ranging
from 3 to 500 mm. In addition, we offer special
solutions for other media and extreme operating
conditions.

DP
DCL

DP

•

•
•

DQ
DP-800

DQL

DQ

DQT

DX
DQTX

DQ5

DZ

K

DX

DXS

Special DX

H

HW

•

•
•

•

•
•
•

•
•
•

•

Cooling lubricant

H

Air

•

Vacuum

•

•
•

•
•

M

MP

•
•
•

•

•
•
•

Hydraulic oil
Thermal oil

•

•

•

•

•

•

•

•

Dry run•

MQL•

Operating Conditions
PN max (bar)

40

40

16

10

10

10

10

10

13

10

8

8

8

40

20

40

80 / 120

20

200

T max (˚C)

300

250

180

160

160

230

300

350

400

300

80

150

120

20

250

300

40

160

80

Speed max…min-1

100.000
DN × PN

100.000
DN × PN

100.000
DN × PN

55.000DN

55.000DN

50.000
DN

100.000
DN × PN

100.000
DN × PN

100.000
DN × PN

130.000
DN × PN

50.000DN

55.000
DN

On
Request30

50.000
DN × PN

100.000
DN × PN

16.000 / 24.000 /36.000

8.000
DN

200

DN (mm) min…max

50 – 300

25 – 370

25 – 150

10 – 100

10 – 100

25 – 12525 – 200

25 – 150

25 – 150

10 – 80

10 – 200

…150

200

15 – 100

25 – 300

3 – 1015 – 100

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15

We are a family-owned
enterprise. This means …

90
More than… for our customers
We take personal responsibility
for our decisions, stand by ourword, and vouch with our name.
We are reliable partners.

… for our employees
We place great emphasis on
loyalty, support and challenge
our employees according to theircompetence and personality
and place emphasis on personal
relationships and respectful
behaviour.

… for our suppliers andservice providers

Years

We are a rooted and reliable
customer. We expect ourpartners to adhere to ethicalprinciples like fair working
conditions and sustainable,
ecological activities.

of Experience–

to your Advantage

Maier develops high-quality rotary joints fordemanding applications. Since the company’s foundation as a foundry in 1925,
quality and innovation have taken first priority.
Christian Maier GmbH & Co. KG was founded as afamily enterprise, and the company will continue tostay in family hands. For the last 35 years, internationalization and concentration on the core segment
have been pushed forward.
Today, Christian Maier GmbH & Co. KG is represented by three independent, wholly-owned subsidiaries in the USA, in Italy, and in China. Authorized

distributors in more than 50 countries ensure thatour products and services are available around theworld. What is more, the trade name Maier stands
for first-class product quality and the use of modernmaterials and technologies.
This fundamental understanding is the basis of our
success – as well as a relationship to customers,
suppliers, and all other business partners which isbased on trust and appreciation. Our passion for
perfect results is your benefit. Therefore we ask you
to remain challenging.

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19

Our History
at a Glance

1981
Erich Maier (jun.) becomesmanaging associate

1963
Death of Erich Maier (sen.)
Production of the first slicers for customer

1982

Lindenfarb in Unterkochen / Germany

Friedrich Maier retires

2000
Founding of Maier America(Atlanta / Norcross, Georgia)

Friedrich Maier joins the company

1925
Foundation of the enterprise as a foundryby brothers Christian and Friedrich Maier.

Founding of an administrative board
chaired by Friedrich Maier

1984

Market entry in China with ourEnding of hay dryer production

first distributer in Shanghai

the electrical and textile industries were

Production of apparatuses

1967

produced

for the dental industry

Death of founder Christian Maier

1940s

1950s

engineering division

1965
1944 – 1948

1930s

Divestment of the machine

Production of the 10,000th hay dryer

Among other things, cast parts for

1920s

2002

1983

1960s

1970s

1980s

2005

1990s

2000s

2010s

1936

1950

1970

1997

2012

Relocation to the new factory

Erich Maier (sen.) enters

Production of the first hydraulic winders

Founding of Maier Italia, the first indepen-

Founding of Maier Kunshan (Shanghai)

the company as CEO

dent, wholly-owned subsidiary, situatedwith independent assembly and field

Extension of the factory bynorth of Milan in Gerenzano, Saronno

service for China and South-East Asia

in Würzburger Straßea hall for machine construction
with attached turning shop

1952
Production of the first1971
Start of international business.
Participation in ITMA Paris (International

1992

2015

Textile Machine Exhibition)

Expansion of international businessWith Florian Maier, the fourth generation

with the aid of distributors in Europe

comes aboard. At the end of the year,

and the USA

Erich Maier retires as CEO and joins theautomatic stuffing box

administrative board

1956

2016

First patent for rotating unions,

Andreas Greiner and Florian Maierthe so-called stuffing box

are CEOs

1957
Production of first hay dryers
under license

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21

Rooted in Heidenheim –at Home all over the World
Subsidiaries in the USA, in Italy and China as well
as a strong network of more than 50 distributors
and sales partners all around the world guarantee
an international presence with 24-hour-spare parts

supply in all important industrial countries. Authorized service centers in the USA, in Italy and China
carry out repairs locally.

CLECKHEATON
HEIDENHEIMGERENZANONORCROSSKUNSHANWe think and act
globally. This means …
… for our customers
Our sales offices and production
plants as well as our service
partners are spread worldwide
and serve our customers internationally. We provide quick andcomprehensive service at home
and abroad.

SINGAPORE… for our employees
Our employess do not only see
their own activity, they havean overall view of the wholebusiness. We foster open communication and transparency
on all levels.

… for our suppliers andservice providers
Global projects require a highdegree of flexibility. We appreciate business partners who also
think on a global level and prove
to be flexible.

Subsidiaries
Representatives
Distributors & Sales Partners

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23

Leak-proof Solutions –Versatile Solutions for a great
Variety of Applications

We work and think in asolution-oriented way.
This means …
… for our customers
The customers and their requirements take centre stage. It is
our foremost intention to supply
our customers with the mosteconomical products for their
particular process.

… for our employees
The requirements of ourcustomers set the standard forthe work of our employees.
Creativity is necessary to solve
challenging tasks in a target
oriented manner.

… for our suppliers andservice providers
Our suppliers are involved in thedevelopment processes from anearly stage to achieve the best
result possible on behalf of ourcustomers.

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25

A Wide Vertical Range of Manufacturing in Core
Competencies & a Modular Product Structure

Rotary Joints certified to ATEX Regulations
2014 / 34 / EU

At their location in Germany, Christian Maier produces
rotary joints with a modern machine park and utilizes
efficient logistic processes. This means short distancesand quick decisions which help us to speed up productdevelopment, optimize manufacturing processes andSeries DX, DXS
DN 10 – 150

make quality assurance more efficient. Which, in
return, gives us the certainty that we have done
everything to provide our customers with the bestsolution in the market.

II 2G c T3 X

Series HWA, HWB, HWX
DN 15 – 100

II 3G b T3 X
II 2G b T3 X

c: with constructive safety
Media: water, water-glycol
Evaluated and filed at TÜV SÜDb: with ignition source monitoring by means of temperature sensor
Media: water, steam, thermal oil
Evaluated and filed at TÜV SÜD

Series DP, DPN
DN 6 – 100

Series DQ, DQT
DN 25 – 150

II 2G c T3 X
c: with constructive safety
for sealing combinations 1, 3, 5Media: water, water-glycol, air, thermal oil
Evaluated and filed at TÜV SÜD

II 3G c T xx X
II 2G b T xx X

xx = supply flow temperature

c: with constructive safety
b: with ignition source monitoring by means of temperature sensor
Medium: thermal oil
Evaluated and filed at TÜV SÜD

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27

From Prototype –to Start of Production
Rotary joints are usually negligible components compared to the value of the machine. But they are significant for the effective operation and productivityof the machines and plants they are installed in.
Heavy demands on performance require theoreticaland experience know-how of numerous applications.
For this reason we carry out fundamental researchin our laboratory and pursue developments together
with our customers. In close cooperation with ourdesign and sales departments customeroriented new developments are constantly and

We are innovative.
This means …
… for our customers
We continuously refine our
products and use the mostmodern materials and production methods. Every task we are
given by our customers, we see
as a challenge and motivation
to develop the best solution
possible.

… for our employees
Our company benefits from theideas and the creativity of ouremployees. We support thinking
outside the box and are open for
unconventional proposals.

… for our suppliers andservice providers
Suppliers and service providers
are involved in our innovation
strategy because their expert
knowledge contributes to theadded value.

extensively tested in our own laboratory. Needlessto say that the data obtained in these tests can be
documented and evaluated by computers. Thanks to
our laboratory, we are in a position to test all relevant media, temperatures, and pressures in order toguarantee a maximum in safety. Each product is run
through a quality assurance process which ensuresthat all quality requirements are met and guarantees
consistent product quality.

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29

Locations

Maier Italia srl
Via Enrico Toti, 321040 Gerenzano (Varese) – Italien

Maier Rotary Joints (Kunshan) Co., Ltd
No. 329 Jujin Road, Jiangsu
215321 Kunshan – V. R. China

Tel. +39 02 96248288
Fax +39 02 96369695

Tel. +86 512 36853830
Fax +86 512 36853831

info@maier-italia.com
www.maier-italia.com

sales@maierchina.com
www.maierchina.com

We are a growthcompany. This means …
Christian Maier GmbH & Co. KG
Würzburger Straße 67 – 69
89520 Heidenheim – Deutschland

Maier America LLC
6669 Peachtree Industrial Blvd, Suite L/M
Norcross, GA 30092 – USA

Tel. +49 7321 3170
Fax +49 7321 317239

Tel. +1 770 409 0022
Fax +1 770 409 0069

vkd@maier-heidenheim.dewww.maier-heidenheim.de

info@maieramerica.com
www.maieramerica.com… for our customers
By offering an optimum priceperformance ratio, excellent
service, and innovative products,
we want to keep our existing­customers satisfied and increase
our customer base continuously.

… for our employees
Growth can only be achieved
through innovation and constantimprovement of the performance.
We lay the necessary foundations
for our employees with motivational measures and a qualified range
of offers for training and further
education.

… for our suppliers andservice providers
Working with us is forward-looking
because our business partners
benefit from the company’s growth
as well.

Concept and Design: H1QN .de

Notes

M1416ewww.maier-heidenheim.de