Expansion Joints Blog

Content for the expansion joints blog will include updates to the Ducting Systems and Piping Systems Technical Handbooks, how-to examples for joint selection, maintenance, usage, storage, testing, and when and why you would require an expansion joint in your piping & ducting system.
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Isolation of Noise & Vibration in HVAC & Plumbing Piping Systems

The requirements of heating, ventilation and air conditioning (HVAC) and plumbing piping systems can be very different from the process industry. HVAC systems use piping to convey fluids for the transfer of energy between different areas of a building. Plumbing piping brings in fresh water while removing the waste from a building. This energy transfer and water movement must all happen efficiently and quietly without disturbing the people living and working in a building. It can be a challenge for the system designers.

The heat transfer fluid (usually water) and fresh water are pumped throughout the building. Pumps vibrate and create noise as they move water. Pumps are also located in a central mechanical room. Architects are notorious for locating these rooms in the worst possible place in a building.

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