Applicable for the refrigerants HCFC, HFC, R717 (Ammonia), R744 (CO2) within a temperature range of -30°C - +100°C (-22°F - +212°F). Flammable hydrocarbons are not recommended. For more information please contact Danfoss. Pressure adjustment range: 10 - 25 bar g (145 - 363 psi g). Temperature range: -30 - +100°C (-22 - +212°F). Classified to: Group 1 Fluids, Category: IV Type The Code SFV 20 Weight 3.97 Kg Approval EC, EAC Cat. IV Certified TÜV certificate included 0,54 Conn. Int./Ext. External Conn. size 3/4 Conn. size 20 mm Conn. std. ISO 228-1 Conn. type G Direction Angleway EAN does not. Five trillion seven hundred two billion four hundred twenty eight million one hundred ninety two thousand two hundred fifty five Flow area 0,394 in2 Flow area 254 mm2 The flow diam. 0,709 in The flow diam. 18 mm Fluid Group I Input conn. size 1 1/4 DN < 25 The outlet connection. size 1 1/2 Press. definition 11 bar Press. definition 160 Psig Descript. Safety Relief Valve Prod. Group Safety relief valves Prod. name Safety Relief Valve Soda HCFC/HFC Soda R717 Soda R744 Temp. range -30 - 100 °C Temp. range -22 - 212 °F