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New Products for the Underground System family

  • D-023 SB, S-025 SB for Wastewater Applications
  • D-060 SB D-060NS SB for Water Supply Applications

The Underground Systems combine the reliable and efficient properties of the A.R.I. air valves for wastewater and water supply with the added feature of a sub-surface valve that can be buried below ground. Since the service and maintenance operations of the unit are performed entirely from the surface, there is no need for safety considerations associated with confined space entry.