介质R134a阀门型号SFA15排放压力下的饱和温度T#NAME?℃整定压力Pset10bar大气压力Patm1bar排放系数C2.5喉部截面A0133mm2De-rated流量系数Kdr0.73sub-criticalflow校正因子Kb1泄放压力P12bar排放压力下的气体比容v#NAME?m3/kg泄放量qm#NAME?kg/h型号面积KdrSFA151330.73SFV202540.54SFV254150.48R404A.mixR410A.mix丹佛斯安全阀泄放量计算介质KCR221.172.54R134a1.122.5R404A.mix1.122.49R410A.mix1.172.54Ammonia1.312.64CO21.32.63Air1.42.7