Metal expansion joints and metal bellows

Hose Master is a premier manufacturer of metal bellows and metal expansion joints.

If you want to learn more, please visit our website.

We have inventory in stock, readily available to meet your needs. We also offer a comprehensive range of pre-engineered expansion joints, supported by our technical expertise and innovative approach. For those seeking custom solutions, we provide expansion joints tailored to your specifications. Leveraging the same superior engineering and precise manufacturing processes that made us an industry leader in metal hose, Hose Master applies these to our expansion joints.

Engineering & Manufacturing. At the heart of Hose Master’s success is our technical expertise. Proprietary equipment, designed and built in-house, allows us to go beyond ordinary products and deliver superior, value-engineered items. Our skilled engineers are ready to assist you in designing metal expansion joints for the most demanding applications.

Quality Assurance. Delivering the highest quality products is a guiding principle at Hose Master. Our designs conform to EJMA and ASME Section VIII, meeting the requirements of piping, boiler, and pressure codes—B31.1 and B31.3. This certification encompasses pressure piping fabrication and assembly, allowing our teams to design systems in accordance with the ASME Boiler and Pressure Vessel Code. This certification awards Hose Master the “U”, “PP”, and “R” Stamps for expansion joints. Customer specifications are verified through Finite Element Analysis (FEA) or 3D CAD modeling. Testing options include pneumatic, hydrostatic, high-pressure gas, or liquid penetrant methods, as well as helium mass spectrometry and radiography.

Product & Failure Analysis. Accurate identification of the root causes of past failure modes is key to permanently solving tough metal expansion joint applications. Hose Master’s in-house product and failure analysis lab identifies various failure modes, whether due to fatigue, corrosion, deformation, or other causes. Hose Master is the only metal hose and expansion joint manufacturer in North America that offers in-house failure analyses and reverse engineering as a no-charge service to its distributor partners.

HESPER contains other products and information you need, so please check it out.

Service. With 90+ ASME IX Certified welders and a comprehensive material stocking program, Hose Master provides the exceptional service demanded by the industry. In addition to the best standard delivery lead-time, Hose Master offers After Hours Emergency Service for hose and expansion joints, providing customers an expedited response for critical and time-sensitive situations that arise outside normal business hours.

If you have an expansion joint application and need assistance, please contact us. Our skilled team of experts can help provide the right solution and answer any questions.

We protect building appearances by mitigating the ongoing conflict between buildings and Mother Nature. Our experts engineer joint solutions so that architects don't have to worry about compromised aesthetics.

Search all Expansion Joint systems using the filters on the left.