西门子二通/三通调节阀阀内螺纹连接,PN16VVI41...VXI41...•阀体:青铜C***91K(Rg5)•公称直径:DN15...DN50•介质温度−25...+140°C•流量:2.5...40m3/h•内螺纹连接Rp…符合ISO7/1•可与SAX...,SKD...执行器配合安装用途适用于暖通空调系统中作为符合DIN32730标准的控制或安全截止阀。适用于闭式水系统。介质温度−25...+140°C冷冻水冷却水低温热水高温热水防冻水饱和蒸汽(***大达到1.5bar***压力)盐水1)介质温度低于0°C时:需要SZ6.5阀杆加热元件来防止密封套内的阀杆***。防冻水和盐水:***低−25°C，符合DIN3158)标准（压力容器I）。型号概览型号[两通阀]口径流量△Pmax（SAX）△Ps（SAX）△Pmax（SKD）△Ps（SKD）VVI41.15-2.5VVI41.15-4152.54.040016004001600VVI41.20-6.3206.340016004001600VVI41.25-10251040015504001600VVI41.32-1632164008754001275VVI41.40-254025400525400775VVI41.50-405040300300400450型号[三通阀]口径流量△Pmax（SAX）△Pmax（SKD）VXI41.15-2.5VXI41.15-4152.54.0400400VXI41.20-6.3206.3400400VXI41.25-102510400400VXI41.32-163216400400VXI41.40-254025400400VXI41.50-405040300400△Pmax阀门***大允许压差；△Ps阀门关闭压差外形尺寸)