Cavagna second stage Propane Gas Regulator with over pressure protection and automatic reset (PRV). Permittable Inlet pressure is 0.45 to 1.95 bar. 30 – 50mbar adjustable outlet pressure. ¾” BSP female inlet connection. 1″ BSP female outlet connection. Capacity is 50kg/h. The regulator must be mounted so that water does not enter the vent. This regulator conforms to EN16129.