| Type: | Externally Pressurized Expansion Joints |
| Size: | 4″ Diameter / Single: 50″ and double: 87″ Face-to-Face |
| Design: | Inconel 625 Bellows / Carbon Steel |
| Material: | 400°F / 400 psig |
| Testing: | Hydro-tested at 600 psig |
These single externally pressurized expansion joints were custom designed by U.S. Bellows for a hot water piping system at an Air Force facility in California. All units are 4″ in diameter, with the single units having a length of 50″ face-to-face and double units having a length of 87″ face-to-face. The expansion joint’s bellows were fabricated from Inconel 625 and all other components from carbon steel. They are designed for a temperature of 400°F at 400 psig with 4″ and 8″ of axial compression. All units were hydro-tested at 600 psig prior to shipment.
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