The HPB Series is a brass Specialty Gas Pressure Differential that will automatically switch over to the standby cylinder without a loss of flow. No power is required to operate the switchover, a simple flip of the selector level resets the system after changing depleted cylinder.


  • 3000 psi Maximum Inlet
  • Semi-Auto Reserve
  • Durable Powder Coated Enclosure
  • Panel Mounted Regulators/Gauges
  • No Power Required
  • Optional Pressure Switch Alarm.