Specialty Item Flexible Connectors

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Flexible connectors are installed to absorb noise and vibration, compensate for thermal expansion and contraction, and allow components such as pumps and chillers to move while the remainder of the system remains stable.

Braided flexible connectors are the most common and are constructed from corrugated stainless steel bellows covered with flexible stainless steel braiding to add strength. They are available with either steel or stainless steel NPT nipples or flanges for installation. Bronze hose and braided flexible connectors, as are others for specialty application such as chlorine transfer.

Neoprene flexible connectors can also be used in many applications. These use a short neoprene hose reinforced with internal tire-type cords between two flanges to provide a flexible joint. Similar connectors use materials such as PTFE (Teflon), EPDM, butyl, and nitrile in place of the neoprene.

Flexible connectors are also available for drain waste and vent (DWV) systems. Because of the low pressure in sewer systems, these connectors simply use a flexible hose made of elastomeric materials (plasticized PVC or vulcanized rubber) that fit over the pipe and are clamped in place with stainless steel hose clamps.


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