Holz Rubber Company's Industrial 20″ Piping Expansion Joint, Series 320, is designed for pipelines in the 320–556 mm size range. The 20″ nominal-size expansion joint is part of the Series 320 lineup and is identified by the 320-556 mm specification. This expansion joint provides a dedicated solution within Holz Rubber Company's Series 320 for industrial piping applications operating in that size range.
