Expansion Joints

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What is an expansion joint? In industrial engineering, a pipe expansion joint is a critical component that absorbs dimensional changes in a system caused by thermal fluctuations, vibration, or settling. Our comprehensive line of piping expansion joints effectively manages stress, preventing damage to anchors, mechanical equipment, and piping. We manufacture a range of configurations, including heavy-duty bellows expansion joints and flexible rubber connectors, tailored to specific pressure and temperature requirements. At the core of many of these units is the pipe expansion bellows, a flexible element that compresses or elongates to accommodate pipe expansion. Whether you require fabric, rubber, or metallic expansion bellows for pipes, our engineered solutions provide the necessary flexibility and durability to maintain system integrity.

Ductwork

U.S. Bellows provides custom designed expansion joints in ductwork and fabricated ductwork assemblies. The assemblies may include fabricated elbows, tees, and straight sections of ductwork, in carbon steel or stainless steel, and in diameters of 42″ or larger. The duct sections can include fabric or metallic expansion joints and can be rectangular or round. View Product Information

Fabric Expansion Joint

A very low pressure flexible ducting element that consists of round or rectangular fabric bellows sections and accompanying end connections. Most motions allowed. View Product Information

Thick Wall Expansion Joints

A flexible piping element that consists of a single corrugation bellows generally as thick as the mating system material with welding end connections. Only axial motion. View Product Information

Slip Type Expansion Joints

A flexible piping element that consists of two concentric sliding pipe sections, an annular sealing system, and accompanying end connections. Only axial motion. View Product Information

Rectangular Metal Expansion Joints

A low pressure flexible ducting element that consists of rectangular corrugated bellows sections and accompanying end connections. Primary motion axial. View Product Information

Toroidal Expansion Joint

A flexible piping element that consists of a single corrugation bellows and accompanying end connections. Only axial motion. View Product Information

Refractory Lined Expansion Joint

A flexible piping element of any type with an internal heat and or erosion resistant liner to reduce metal temperatures for high temperature service. View Product Information

Externally Pressurized Expansion Joints

A flexible piping element that consists of one corrugated bellows, an external pressurized case, and accompanying end connections. Primary motion axial. View Product Information

In-Line Pressure Balanced Expansion Joints

A flexible piping element that consists of one or two corrugated bellows, a central balancing corrugated bellows, and accompanying end connections. Primary motion axial. View Product Information

Elbow Pressure Balanced Expansion Joints

A flexible piping element that consists of one or two corrugated bellows in a line, a change of direction such as an elbow, a balancing corrugated bellows, and accompanying end connections. Primary motion axial. View Product Information

Gimbal Expansion Joint

A flexible piping element that consists of one corrugated bellows and accompanying end connections. Motion is controlled via the gimbal to a multiple planes of angulation. View Product Information

Hinged Expansion Joint

A flexible piping element that consists of one corrugated bellows and accompanying end connections. Motion is controlled via the hinge to a single plane of angulation. View Product Information

Universal Expansion Joint

A flexible piping element that consists of two corrugated bellows, a connecting center section, and accompanying end connections. Primary motion lateral. View Product Information

Single Expansion Joint

A flexible piping element that consists of one corrugated bellows and accompanying end connections. Primary motion axial. View Product Information

Product of the Week Showcase

Take a look at our weekly featured products. In our newsletters and blog posts, we feature products from thousands of our piping support and expansion joint projects. Our Product of the Week archives features products from a vast array of industries including: Chemical Plants, LNG Service, Wastewater Treatment, Production Plants, Oil & Gas Exploration, Offshore Platforms, Power Plants, Refineries and various others.
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