Providing you with 500 pages of technical information, guidelines, suggestions for pipeline design and comprehensive technical data and selection criteria for more than 3,500 standard expansion joints.
Belman A/S
Expansion Joints and Bellows
Belman is an experienced provider of high-quality expansion joint solutions. The company is repeatedly chosen by clients worldwide for compensators, steel expansion joints, expansion bellows, metal expansion joints and steel bellows.


Belman is an experienced provider of high-quality expansion joint solutions. The company is repeatedly chosen by clients worldwide for compensators, steel expansion joints, expansion bellows, metal expansion joints and steel bellows.
The company is chosen by customers worldwide for its high-quality, short delivery times, flexibility, responsiveness, customised solutions, experience, assured quality solutions and commitment.
Belman is part of the Belman Group, which consists of Belman A/S in Denmark, Cardwell Limited in the UK, and OOO Belman Russia in Russia.
Steel compensators to absorb axial, lateral and angular movements
Belman has a standard expansion joint programme from DN40 up to DN6,000 (DN12,000 in certain segments), with a gauge pressure capacity up to 150barG. These flexible connections can absorb axial, lateral and angular movements. Depending on the type of compensator chosen, these movements can be absorbed in combination.
Standard solutions include:
- Gimbal expansion joints
- Hinged expansion joints
- Angular expansion joints
- Lateral expansion joints
- Exhaust compensators
The company also provides a wide range of tailored solutions for specific customer requirements.
Customised expansion joint solutions
Customised solutions are one of Belman’s core strengths and this has resulted in the company being the preferred provider of expansion joint solutions, including:
- Pressure-balanced expansion joints
- Crossover bellows
- Corner relief expansion joints
- Rectangular compensators
- High-pressure pump connectors
- Externally pressurised expansion joints
- FCCU expansion joints
- Rectangular expansion joints (both 45° and 90° mitred corners, camera and radius corners)
- Bellows with tantal or PTFE-lining
Belman supplies steel expansion joints that are calculated and designed according to several different design codes, including EN 13445, EN 13480, EN 14917, ASME VII, Div. I, ASME B31.3, ASME B31.1 and AD 2000 or EJMA.
All solutions can be supplied CE-marked in compliance with the pressure equipment directive 97/23/EC.
CAD drawings, 3D illustrations, finite element analysis and technical consulting can also be provided during the development of special solutions.
To ensure a short delivery time on all solutions, Belman holds a wide range of stock materials, including AISI 304, AISI 304L, AISI 304 LN, AISI 316L, AISI 316Ti, AISI 321, 253MA®, W.1.4828, Hastelloy, Inconel 600, Inconel 625, Incoloy 800, Incoloy 825, titanium and nickel.
Crossover bellows for steam turbines
Belman designs and manufactures crossover bellows for steam turbines in nuclear power and conventional power plants. Crossover bellows are made in different designs and Belman can customise the expansion unit depending on the need of the customer.
It is crucial that the pipe system runs smoothly without the risk of unexpected, problematic and costly shutdowns. If a shutdown occurs, a quick remediate action is necessary.
Belman has a range of services to ensure the system works to its full capacity. These include:
- Hotline service
- Installation of expansion joints and bellows
- Replacement of expansion joints and bellows
- Repair / refurbishment of expansion joints and bellows
- Inspection
- Engineering service
Metallic hoses and rubber expansion joints
Belman supplies flexible solutions, ranging from rubber expansion joints, metallic flexible hoses, fabric expansion joints, HeatComp and SaniComp.
Quality-assured expansion joint solutions
The focus on quality has always been a central part of Belman’s mission. The company strives to provide services of the highest-quality, meeting the customer expectations.
Implementation and an adherence to recognised quality assurance systems ensure that all processes have been accurately performed, starting from the initial review of the submitted specifications and their design, manufacturing, testing and documentation, in accordance with requirements.
Belman’s accreditations and certificates enable it to shorten lead times and optimise resources through testing and inspection procedures.
The company has various certificates:
- DIN EN ISO 9001:2000
- PED 97/23/EC module H
- EN ISO 3834-2
- AD2000 Merkblatt HPO
- GOST-R
- Russian Rostechnadzor permission for application within hazard industries – oil, gas and energy sectors
- Mark transfer approval within EN 10204 3.1.B PED / AD-M W
- Germanischer Lloyd standard type approvals
- Bureau Veritas standard type approvals
- Standard type approvals for LPG / LNG carriers by third parties
Belman is a member of the EURO-QUALIFLEX association and is registered in Achilles JQS, Sellihca and FPAL.
EN ISO 14001 and OHSAS 18001 standards have been implemented and the company is currently working towards official accreditation within these norms.
Comprehensive expansion solutions
Belman has a comprehensive reference list of national and international clients within nuclear power plants, power stations, the district heating industry, steel plants and petrochemical and chemical industries, as well as exhaust and engines system providers.
This list demonstrates the company’s abilities as a designer, manufacturer and solution-providing partner, striving continuously to deliver optimal solutions through cooperation with clients.
World-Class Expansion Joints
Since 1994, Belman has designed and manufactured DN15-12.000-sized metallic expansion joints.
Belman’s Three-Hinge System Applied in Northern European Project
Belman developed three customised angular expansion joints using a three-hinge system for a project in Northern Europe.
5 September 2019Stainless Steel Pressure Balanced Expansion Joints
These four Pressure Balanced Expansion Joints are made entirely from stainless steel and were designed and manufactured for a chemical plant, producing plastic, in Northern Europe.
24 June 2019Belman Manufactures U-Shaped Pipe Assembly for Northern European Oil Refinery
Belman has recently designed and manufactured a bespoke U-shaped pipe assembly fitted with expansion joints for a Northern European oil refinery.
26 April 2019Belman’s 40t Expansion Joints Heaviest Ever Made at its Facility
Belman’s 40t expansion joints were manufactured in 2007 and are operating successfully in the blast furnace of a German steel facility.
23 January 2019Belman Tests Corner-Relief Expansion Joints for Swedish Nuclear Plant
Belman has recently created and tested six corner-relief expansion joints with ring reinforcement for a Swedish nuclear power plant.
31 October 2018Belman to Exhibit at Achema 2018 in June
Our sales engineers look forward to meeting you at Achema. Belman has designed and manufactured expansion joints since 1994 and our engineers will be glad to share their expansion joint knowledge and answer any questions you may have.
16 May 2018Belman Provides Rubber Expansion Joints Sized DN 15-5000
Belman has supplied rubber expansion joints for many years in order to provide a complete range of flexible solutions to its clients.
9 May 2018Belman Provides Specially Constructed Inline Pressure-Balanced Expansion Joints for Steel Plant
Belman has engineered, produced and supplied two specially constructed inline pressure-balanced expansion joints for a Swedish steel plant facility.
2 May 2018Belman’s Simple Expansion Joint Designs
Many of the more than 175,000 projects completed by Belman since 1994 involve simple expansion joint designs - in both small, as well as larger quantities.
5 April 2018Belman Installs DN 1400 Clamshell Bellow at German Steel Plant in 3.5 Days
In 3.5 days, Belman designed, produced, and installed a DN 1400 clamshell bellow for a German steel plant facility, which had a critical situation from a leaking bellow.
2 March 2018Belman Supplies 41 Refractory-Lined Universal Expansion Joints to Polish Power Plant
Belman has supplied 41 sets of Refractory-Lined Universal Expansion Joints to a Polish power plant.
23 February 2018Belman Delivers Three FCC Expansion Joints within 12 Weeks
Belman has recently designed and produced three refractory-lined FCC expansion joints at an oil plant in the CIS.
12 December 2017Belman’s Bespoke Pressure-Balanced Expansion Joints
Many applications have design constraints that require a unique expansion joint design.
2 November 2017Belman’s Tank Farm Bellows Provide Flexible Connection Between Storage Tank and Manifold
Belman has provided a Dutch refinery with a more reliable, flexible connection amongst their storage tanks and manifolds.
23 August 2017Expansion Joints for the Nuclear Power Sector
When designing, producing and handling expansion joints for the nuclear power sector, experience, calculation/analysis and documentation are highly important.
21 June 2017Pressure-Tested Expansion Joints with Equalising Ring Reinforcement
Belman's equalising ring reinforced expansion joints are designed to help deal with the challenges presented in environments where exposure to high pressure is required.
15 June 2017Renewal and Extension of DNV-GL Type Approvals
More than 4,000 expansion joints in the size range of DN 50 - 2200 have received renewals for DNV-GL type approval.
17 April 2017DN 3000 for Nuclear
The nuclear power industry has rigorous demands for the correctness and thoroughness of project documentation.
26 March 2017Two-Metre-Long Pressure Balanced Expansion Joints
These two-meter-long pressure balanced expansion joints were installed at the steam turbines in a Croatian biomass cogeneration plant.
19 March 2017Software and Guide to Ease Work with Metallic Expansion Joints
For everyone in touch with expansion joints smooth and efficient design, calculation, selection and ordering of expansion joints is a must in a busy working day.
8 August 2016Belman Delivers Three Types of Expansion Joint to UK Plant
Belman has delivered expansion joints for a green energy power plant in the UK.
27 June 2016Nuclear Industry Experience
The nuclear power industry has rigorous demands for the correctness and thoroughness of project documentation.
7 April 2016Belman Design 100% Hastelloy Corner Relief Expansion Joint
Belman has recently designed and manufactured a corner relief expansion joint made entirely from Hastelloy.
1 April 2016Relieving Loads on Power Plant Turbines
Specially designed 4 DN 250 corner relief expansion joints were installed in a geothermal power plant in Kenya.
25 June 2015Belman Fast Track Service Reduces Downtime in Nuclear Power Plant
By providing a fast track service Belman has helped to minimise downtime in a Swedish nuclear power plant.
19 June 2015Tested at 251BarG
A pressure vessel located in the United Kingdom was operating under the most challenging circumstances and demanded a special expansion joint solution.
2 September 2013All Sizes, All Materials, All Solutions.
Belman is known for our customised solutions and for always assisting the customer, no matter the expansion issue / problem.
18 August 2013Belman Will Exhibit at Power-Gen Europe
Belman will exhibit at the Power-Gen Europe exhibition from 8-10 June 2010. The exhibition takes place in Amsterdam in the Netherlands, in the exhibition centre Amsterdam RAI. Belman will exhibit with our subsidiary company John Cardwell (UK) at stand P74. Belman has many years of ex
11 May 2010Visit us at Power-Gen Europe
On 3rd - 5th June Belman attends the Power-Gen Europe exhibition in Milan, Italy. The exhibition takes place at the Fiera Milano City. You can find us in Hall 3 at stand C40. Belman will show customized steel expansion joints for the energy sector. We are pleased to tell you about the
5 March 2008One-Step Compensators by Belman
For several years Belman has designed and manufactured one-step compensators, earning the company a wealth of experience within this field But why use this kind of compensator? The one-step compensator is typically installed in the pipeline while it is cold. When the pipeline
10 September 2007Visit us at All-Energy 2007
On 23rd - 24th May 2007 Belman attends the All-Energy exhibition in Aberdeen. You can find us in The Danish Pavillion - F5. Belman will show steel compensators for the energy sector. Both our stadard program of district heating compensators and some of the customized solutions we have d
19 April 2007Lens compensators
Also designed and supplied from Belman Production A/S. Lens compensators are often a customer requirement as the customer could require a single layer bellow. If the thickness of material of the single layer bellows is more than 4mm, it is not possible to supply a normally manufactured
3 January 2007Exhaust compensators
Belman designs and manufactures many different kinds of exhaust compensators, also named low pressure compensators. They are manufactured in all types, in all materials, in all sizes and in all designs. Exhaust compensators are designed for applications without high demands upon pressur
4 September 2006Clamshell Bellows
Also a new product in the product assortment - designed and manufactured by Belman Production A/S. Clamshell bellows is the optimum solution when a quick and unexpected replacement of the bellow is necessary. Clamshell bellows is a two-piece bellow, which is welded around the current be
30 August 2006District Heating Compensators
Also a new product from Belman! Belman has designed and manufactured a new type of district heating expansion joints, who's highly flexible, bellow ensure absorption of large axial movements. The internal inner sleeve contributes stability into the compensator, while the integrated tors
3 April 2006High Pressure Pump Connectors
Also a new compensator in the range of products - designed and manufactured by Belman Production A/S. High pressure pump connectors are chosen when vibrations, stress and noise in the pipeline and the installations are to be reduced. The flexible bellow and the rubber elements, at the t
25 January 2006Rectangular Compensators
A New product in the product assortment - designed and manufactured by Belman Production A/S! Rectanglar compensators are chosen when the connection or the pipeline is rectangular and where a round compensator is not use able. The advantages with this kind of compensator is that it can
6 January 2006Belman A/S
- Ann E. Nielsen
- +45 75155999
- +45 75155959
- belman@belman.com
- www.belman.com
- Belman's Expansion Joint Catalogue
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UK branch: Belman-UK Limited
- +44 161 491 5515
- +44 161 491 2354
- www.belman.com
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Russian branch:
- +7 (812) 445 2195
- +7 (812) 445 2195
- info@belman.ru
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