Cavagna 37mbar 2nd Stage Propane Regulator with UPSO/OPSO – 10kg/hr The Cavagna CGE 1200P 37mbar Second Stage Propane Regulator – 10kg/hr is a tank mounted regulator with advanced safety features for reliable LPG system performance. Gives a 37mbar outlet pressure and a 10kg/hr flow rate. Suitable for domestic and commercial propane installations. Complies with BS EN 16129:2013 standards. Has Under Pressure Shut Off (UPSO), Over Pressure Shut Off (OPSO) and limited capacity pressure relief valve (PRV) for total peace of mind. Has user friendly features like resettable UPSO for tank refills and restricted OPSO reset for professional management. Built by Cavagna, world leaders in gas control