WEO Plug-In
HYDRAULICS

THE INNOVATIVE PROBLEM SOLVER

www.cejn.com

WEO Plug-In The Ultimate Hydraulic Problem Solver

WEO Nipple
The Global open Standard
By releasing the male part (nipple) as an open
standard, CEJN sees a future where WEO is evenmore accessible around the globe thanks to moremanufacturers and shorter distribution chains.
Co-operation is now available from CEJN to customers who wish toreceive support in their manufacturing process of nipples. Just a registration and an agreement that the CEJN specifications are followed.
It should be easy and accessible to become a WEO nipple manufacturer.
As always when an open standard is created, it is to protect the reputation of WEO and to ensure that the end user gets interchangeability,
highest quality, performance and safety. The CEJN service will consistof specifications such as drawings and process parameters to reachspecified performance and quality level. If changes are made on thoseparameters, CEJN will update the registered manufacturers.

For more information go to:www.cejn.com/weo

CONTENT2JUST PLUG IT IN - The WEO Plug-In system

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SCREW FITTINGS VS WEO PLUG-IN

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WEO PLUG-IN STANDARD COUPLING - For quick and safe assembly

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WEO PLUG-IN CARTRIDGE - For integrated and compact design08		

WEO PLUG-IN SWIVEL - For extreme swivelling applications

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WEO RANGE

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THE WEO BUSINESS

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WEO Plug-In The Ultimate Hydraulic Problem Solver

WEO Plug-In
THE INNOVATIVE PROBLEM SOLVER
Would you be interested in a product that will enhance your designin terms of space, time and cost?
What about an assembly line where people can work safely andquickly carrying out problem-free and quality-assured operations?
Do you wish that leakage and premature hose failures were
yesterday’s problems and that costly warranty claims were a thingof the past?

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The WEO Plug-In system

Just Plug it in!
AS SIMPLE AS IT SOUNDS. The WEO fitting is a smart plug-in solution from CEJN offering
extensive problem-solving features and cost savings. This self-aligning plug-in fitting enables
quick and safe hydraulic hose kit assembly without any tools. For even better adaptation tocustomer applications, we offer the core of our design – the WEO cartridge, for a fully-integrated, compact design, and our reinforced two-in-one WEO plug-in swivel, for swivelling
applications at full working pressure.

Stay flexible

WEO Coupling

WEO PLUG-IN COUPLING
If you are looking for a compact coupling solution but
still want to keep your existing manifold design, you
don’t have to worry. The WEO Plug-In coupling offersa multitude of thread or tube connections and, as notools are needed for hose assembly, you can still focus
on compact design.

Integrate
WEO PLUG-IN CARTRIDGEAt the core of our design you will find the WEO Cartridge, a refinedcomponent made for compact system integration. Its slim size opens up
new design possibilities. As no adapter is needed, costs are reduced andat the same time one potential leakage point is eliminated. Reduce thefootprint of your final design and enjoy extensive cost savings.

Swivel under full pressure
WEO PLUG-IN SWIVEL
The ideal solution for applications with pressurized moving and rotating hydraulic hoses is the WEO
swivel. The WEO Plug-In swivel can rotate 360° while under full working pressure and includes a
combined ball and slide bearing, accommodating both hydraulic and torsion forces, resulting insignificantly increased service life for your products. WEO Swivel is both a swivel and a plug-in
fitting and is as small and flexible as the basic version of WEO Plug-In, giving you a size and weightadvantage over commonly-used swivel solutions.

4The WEO Plug-In system

WEO PLUG-IN NIPPLE

Quick connection

Assembly stop
Release ringWEO is designed with an innovative pushto-connect feature that provides quick
and quality-assured engagement of the
product´s male and female halves. The
only time you need a tool is to remove
the assembly stop when disconnecting,and this can be done with a screwdriveror similar. Once the assembly stop isremoved, you simply push the male nipple
all the way in and pull it out from thefemale component.

WEO Nipple

Screw fittings VS WEO Plug-In

Under or over torque
Torque values are based on calculations and comprehensive testing andgetting these values right on the assembly line requires precision. Personnel
need to be well trained, have calibrated tooling and be able to access thecomponents to be assembled, which are often difficult to reach and tighten.
All of this often leads to over or under torque during assembly. The result isleakage during final testing or later on when the product is delivered to acustomer. This leads to costly re-working and claims. All these problems canbe solved with WEO, as you just plug in.
Embedded tension from torque
When applying torque to screw fittings there is a big risk of embedded
tension in the hoses. As strained hoses are subject to pressure impulses,
hose movement and even rotation during operation, the lifetime of any
such hose is dramatically reduced, resulting in premature failure and leakage. Premature hose failure frequently leads to warranty claims and canbe very costly. With the self-aligning WEO Plug-In, such hose and leakage
problems are solved, and with the WEO Swivel, extreme hose movement
and full rotation under pressure are no problem at all.

WEO helps you avoid leakage
from torque and hose failure due
to embedded tension!

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WEO Plug-In standard coupling

Connections often need to be made in very confined spaces, where itis preferable to avoid time-consuming torque processes.

WEO Plug-In

FOR SAFE AND QUICK ASSEMBLY

WITH THIS APPLICATION SAFETY IS THE MAJOR FOCUS. In the confined space between
chassis and cabin, the operators have to carry out hose connection with a heavy cabin hovering over their head – a very exposed situation. Users of screw-connect fittings always havethe challenge of achieving correct torque. Imagine performing this task with no room at allfor tools. In many cases this results in leakage from couplings and embedded tension in hosesthat subsequently leads to leakage. With WEO you can work quickly and avoid leakage
problems, since all you have to do is plug in.

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WEO Plug-In standard coupling

SAVE TIMEHEALTH & SAFETY
No torque processes in confined
spaces that could cause personal injury. Exposure is minimised
thanks to a quick assembly process. Good ergonomics – you justplug in and thus avoid awkward
postures that can cause strain.

The fact that all you have to dois plug in means a considerable
reduction in assembly time.

EXTENDED HOSE LIFE
With our self-aligning WEO, hoses
last longer. No embedded tension
to wear them out.

MINIMISE LEAKAGE
With WEO, no torque process isrequired and leakage problems
are avoided – just plug in.

The simplicity of working with WEO Plug-In

1.

The nipple is connected to the coupling by
simply plugging in.

2.

The nipple is securely locked with the unique
WEO locking hooks.

DISCONNECT

CONNECT

Assembly stop

1.

Using a screwdriver, remove theassembly stop.

2.

Push the nipple all the way in andthen pull it firmly out.

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WEO Plug-In Cartridge

WEO Cartridge
FOR INTEGRATED AND COMPACT DESIGNWE ARE ALWAYS ON THE LOOK-OUT FOR SMARTER SOLUTIONS. With its minimal
space requirements, the WEO cartridge allows designers to design new compact hydraulicsystems. When incorporating this compact cartridge into your design, you can minimize thefootprint of the final design by reducing the space between the ports. This means less material
required and reduced costs. Again, since our fittings simply plug in, you don’t have to worry
about hand-tool clearance, unlike traditional screw fittings where extra clearance for tools is
required when tightening.

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WEO Plug-In Cartridge

EXTENDED HOSE LIFE
SAVE TIME
The fact that all you haveto do is plug in means aconsiderable reduction inassembly time.

With our self-aligning WEO, hoses last
longer. No embedded tension to wear
them out.

HEALTH & SAFETY
No torque processes in confined
spaces that could cause personal
injury. Good ergonomics – you justplug in and thus avoid awkward
postures that can cause strain.

SUPER COMPACT
By integrating the WEO cartridge
into your design, you can minimize the footprint thanks to its
compact size. In addition, no tools
are needed during hose assembly.

MINIMISE LEAKAGE
With WEO, no torque process isrequired and leakage problems are
avoided – just plug in.

Steelwrist: "WEO was the only option"
Steelwrist AB markets, develops and manufactures tiltrotators,
quick couplers and work tools for excavators and has used WEO
on several previous occasions to achieve flexible installation.
“With this particular design our skilled engineer has managed touse the existing space and create a robust
function by taking advantage of the benefits ofWEO,” says Markus, Development Manager at
Steelwrist. The feedback from their assemblyline is: “WEO is quick, smooth and suitable forquick maintenance.”

Markus Nilsson
Development Manager, Steelwrist

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WEO Plug-In Swivel

WEO Plug-In Swivel
FOR EXTREME SWIVELLING APPLICATIONSEXTENDED HOSE LIFE
With our self-aligning WEO, hoses
last longer. No embedded tension
to wear them out.

SAVE TIME
The fact that all you haveto do is plug in means aconsiderable reduction inassembly time.

HEALTH & SAFETY
No torque processes in confined
spaces that could cause personal
injury. Exposure is minimised thanks
to a quick assembly process. Goodergonomics – you just plug in andthus avoid awkward postures thatcan cause strain.

MINIMISE LEAKAGEWEO Plug-In Swivel eliminates problems with unscrewing and embedded tension in hoses and canhandle extreme hose movement and rotation.

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WEO Plug-In Swivel

WHEN IT COMES TO APPLICATIONS WITH EXTREME HOSE MOVEMENT, the obvious
solution is the WEO Swivel. A truck-mounted crane causes the hoses on the valve blocks totwist and rotate in a way that causes them to wear out. When using the WEO swivel, the hoses
can move freely and self-align, with 360-degree rotation under full working pressure. The result
is longer hose service life and fewer claims.

FASSI: ”Our vision is to have the WEO
Plug-In on all our machines”
Roberto Signori
R&D-SPE Manager, FASSI

Crane manufacturer FASSI choose WEO Swivel
When CEJN came into contact with FASSI, they were suffering leakage, quality and dimension problems with their current connections on hydraulic control valves. There were also delivery problems with the connections, causing frustration. In applications like this, when hoses are constantly being twisted, a good swivel
function is a must to enable long hose life. With the WEO swivel, FASSI immediately saw these benefits
together with the advantage of fewer components, meaning a reduced number of leakage points. Leakage
was often due to difficulty in assembling the different parts in narrow spaces. Another appealing feature
was the plug-in system, which would cut the assembly time considerably.
FASSI has now been using the WEO swivel for over two years and they are very satisfied, especially with the reduced numberof components, meaning fewer connection points to cause problems and leaks. The time savings are very important as well: “With WEO
we can connect without the need for tools and it is extremely quick. When assembling, we save at least ten minutes on every crane,”states Roberto.
WEO is currently being used on the distributor bank of small and medium-sized cranes and when we ask Roberto about the future for
WEO, he feels that the next step is to implement the WEO plug-in on the large models too: “For me, the fast assembly time is the mostimportant aspect. My vision is to have the WEO plug-in on all our machines. Always WEO”, explains Roberto.

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WEO PLUG-IN

WEO Plug-In Fittings
Nipples - Straight Hose Connection

Nipples - 45° Hose Connection

Straight, Nipple with Hose Connection

45°, Nipple with Hose Connection

Series 710 features Plug-In nipples withstraight hose connections for one/two wire
braided hydraulic hose in sizes 1/4" to 1"

Series 712 features Plug-In nipples with 45°
hose connections for one/two wire braided
hydraulic hose in sizes 1/4" to 3/4"

Nipples - 90° Hose Connection

Nipples - Female plug90°, Nipple with Hose Connection

Female G-Thread

Series 714 features Plug-In nipples with 90°
hose connections for one/two wire braided
hydraulic hose in sizes 1/4" to 3/4"

Series 721 features Plug-In nipples with female
G-Thread (ISO 228/1) in size 3/8" to 3/4"

Double Nipples

Nipples - Male Blind Plug

Double Nipples

Male Blind Plug

Series 722 features Plug-In nipples in size
1/4" to 1"

Series 723 features Plug-In blind nipples insize 1/4" to 1"

Nipples - Male plug
Male G-Thread DIN 3852-2 Type A
Series 724 features Plug-In nipples with male
G-Thread (ISO 228/1) in size 1/4" to 1"

CEJN reserves the right to make changes without further notification. Check with an authorized CEJN distributor for availability and prices. All measurements are in mm. Thread connections are listed according
to ISO Standards. Other connections and sealing material on request. Please visit our website, www.cejn.com, for general maintenance tips.

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WEO PLUG-IN

Nipples - Male plug

Nipples - Male plug

Male UNF-Thread ISO 8434-2 (JIC 37°– SAE J514)

Female NPTF-Thread

Series 727 features Plug-In nipples in size
1/4" to 3/4"

Series 729 features Plug-In nipples in size
3/8" to 3/4"

Nipples - Male plug

Couplings - Male G-Thread (ISO 228/1)

Male G-Thread, Integral NBR Rubber Seal ISO 1179-2

Male G-Thread DIN 3852-2 Type A

Series 744 features Plug-In Nipples withmale G-thread (ISO 228/1) in size 1/4" to 1"

Series 810 features Plug-In couplings withmale G-thread (ISO 228/1) in sizes 1/4"
up to 1"

Couplings - Female Blind Plug

Couplings - Bulkhead

Female Blind Plug

Bulkhead, male M-Thread

Series 811 features Plug-In blind coupling insizes 1/4" up to 1"

Series 813 features Plug-In bulkhead
couplings in sizes 1/4" up to 1"

Couplings - Straight Hose Connection

Couplings - Male M-thread

Straight Hose Connection

Female 24° cone, Male M-ThreadISO 8434-1

Series 817 features Plug-In couplings withstraight hose connections for one/two wire
braided hydraulic hose in sizes 1/4" up to 1"

Series 822 features Plug-In couplings insizes 1/4" up to 3/4"

Couplings - Male JIC

Couplings - Male SAE J514 O-Ring Boss

Male 37° cone, Male UN/F-ThreadISO 8434-2(JIC 37°– SAE J514)

Male UN/F-Thread, O-Ring Boss ISO 11926-3 (SAE J1926-3 /former SAE J514 ORB)

Series 824 features Plug-In couplings with
UN/F-thread in sizes 1/4" up to 3/4"

Series 826 features Plug-In couplings
with O-ring Boss in sizes 1/4" up to 1".
Including NBR O-ring.

CEJN reserves the right to make changes without further notification. Check with an authorized CEJN distributor for availability and prices. All measurements are in mm. Thread connections are listed according
to ISO Standards. Other connections and sealing material on request. Please visit our website, www.cejn.com, for general maintenance tips.

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WEO PLUG-IN

Couplings - Male G-Thread with Integral
Rubber Seal
Male G-Thread, Integral NBR Rubber Seal ISO 1179-2
Series 830 features Plug-In couplings withmale G-thread (ISO 228/1) with integral
rubber seal in sizes 1/4" up to 1"

Couplings - Male metric ISO 6149-3
Male M-Thread, O-Ring Boss ISO 6149-3
Series 831 features Plug-In couplings withmale metric thread in sizes 1/4" up to 3/4".
Including NBR O-ring.

Couplings - Male M-Thread

Couplings - Female G-Thread

Male M-Thread, Integral NBR Rubber Seal ISO 9974-2

Female G-Thread

Series 837 features Plug-In couplings withmale M-thread with integral rubber seal insizes 1/4" up to 1/2", including seal

Series 840 features Plug-In couplings withfemale G-thread (ISO 228/1) in sizes 1/4"
up to 3/4"

Couplings - Female ORFS

Swivel Couplings

Female ORFS, UN/F-ThreadISO 8434-3

Swivel, Integral NBR Rubber Seal
ISO 1179-2

Series 850 features Plug-In couplings withfemale O-ring face seal connectors in sizes
1/4" up to 3/4"

Series 860 features Plug-In swivel couplings
with male G-thread (ISO 228/1) with internal
rubber seal in sizes 3/8" up to 1". Only to be
used with Series 716 nipples.

Nipples - Straight Hose Connection

Series 800, Plug-In Cartridge

Straight Hose Connection

Plug-In Cartridge

Series 716 features Plug-In nipples withstraight hose connections for one/two wire
braided hydraulic hose in sizes 3/8" to 1".
This nipples are specifically made to correspond to the WEO Plug-In swivel Series 860.

Series 800 features Plug-In Cartridge in sizes
1/4" to 3/4"

CEJN reserves the right to make changes without further notification. Check with an authorized CEJN distributor for availability and prices. All measurements are in mm. Thread connections are listed according
to ISO Standards. Other connections and sealing material on request. Please visit our website, www.cejn.com, for general maintenance tips.

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THE WEO BUSINESSThe WEO business
WHEN DOING BUSINESS WITH CEJN, you get customer-focused thinking, where WEO as a productis part of a greater whole. In addition to making high-quality products that solve problems and reduce
costs, we are always focused on optimum service through communication, flexibility and support.
Logistics
CEJN has developed special prognosis routines for WEO, with direct
and close contact with our OEM customers. This system helps us
keep track of quantities and deliveries, and if any deviations occur,
we can quickly readjust to new quantities and deadlines.
Certification
CEJN has been certified by several customers through supplier certification programmes for service, logistics, quality and delivery. The
feedback has been more than satisfactory and we encourage ourcustomers to put us to the test.

“Always give the customers
what they need on time”
WEO PRODUCTION TEAM, CEJN

Quality assurance
CEJN has an automated production line for WEO with a numberof vision cameras and test stations guaranteeing a quality-assured
product.
Engineering and logistics support
Please regard us as your business partner. We are happy to comealong and discuss how to achieve smarter solutions and better
efficiency. The better we know you, the more we can give backto you.

Reduce overall costs with WEO
On the drawing board
The designer has scope to create more compact and smarter designs with our small and flexible
WEO solutions. Designs that will reduce both size and costs.
On the assembly line
If you are working on improving the efficiency of your assembly line, you will first become aware of
the time you save. Plus the possibility of making mistakes is eliminated. With a simple plug-in, theconnection is achieved without any complicated torque calculations. You often also need to fit atorque wrench into narrow spaces where application of torque is impossible. With WEO, the job isdone in no time. It can reduce the time for final testing, as WEO is a Poka-yoke solution.
The machine owner
As an owner of a WEO-equipped machine, you will save both time and money. Instances of twisted
hoses that burst due to rotation will be minimised and countless hours will be saved thanks tosimplified disassembly.

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Copyright © 2018 CEJN AB

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We have been producing professional, high-quality and innovative quick connect couplings here at CEJN since ourfirst patented coupling was launched in 1955. CEJN is an independent global niche company with its head office inthe heart of Sweden. Over the years we have expanded to 22 locations worldwide and are supplying products andservices to virtually every industry segment. At CEJN, we are united by our five core values: safety, environment, quality, innovation and performance. They are our cornerstones and define who we are, how we work, what we believe
in and what we stand for.
Contact your local sales office or visit www.cejn.com for more information.

09 0012 619 / 2018-11 / CEJN AB, Skövde Sweden

Made in Sweden since 1955