Practical articles on expansion joint selection, materials,
installation, troubleshooting and custom requirements.
Selection & Comparison
Investigate premature metal hose leakage by recording the leak location, installed geometry, service history and failed-assembly evidence before replacement.
Selection & Comparison
Assess corrugated metal hose flow velocity, vibration risks and liner requirements using actual flow, clear bore and installed geometry.
Selection & Comparison
Learn how to assess flexible metal hose end loads using applicable reaction data, installed geometry and equipment nozzle-load limits.
Selection & Comparison
A practical guide to checking metal hose pressure ratings against service temperature, braid configuration, end connections and test evidence before approving an assembly.
Selection & Comparison
A rubber expansion joint can reduce some vibration transmitted through a pipe wall, but its installed performance depends on the complete pump and piping…
Selection & Comparison
A rubber expansion joint should not be selected as a water hammer remedy without reviewing the pressure history at its location. This guide sets…
Selection & Comparison
Review rubber expansion joint connections in HDPE and FRP piping: flange adapters, sealing faces, backing rings, pipe restraint and the information needed to approve…
Selection & Comparison
A rubber expansion joint may be listed with axial, lateral and angular movement values. Those separate figures do not, by themselves, show whether the…
Selection & Comparison
A rubber expansion joint on a pump suction line is not necessarily in vacuum service. If the pump has a flooded inlet or receives…
Selection & Comparison
A rubber expansion joint permits movement between two pipe ends, but flexibility does not remove the force produced by internal pressure. The piping design…
Selection & Comparison
Rubber pump expansion joints must do more than fit between two flanges. It must withstand the pressure and temperature at that location, accommodate the…
Selection & Comparison
Compare single-sphere and double-sphere rubber expansion joints by installation length, movement requirements, service conditions and piping restraint.