西门子电动调节阀VVG41..两通阀外螺纹连接，PN16，行程20mm青岛兰吉尔自控系统有限公司李慧：17685528239***：2124409272西门子电动二通调节阀VVG41...两通阀适用于开式系统和闭式系统中冷冻水、低温热水、生活热水、海水及饱和蒸汽的控制。额定冲程20mm***量0--0.02%Kvs介质温度-25--+150℃阀门特性等百分比允许工作压力1600KPa阀体红铜C***91K(Rg5)阀杆、阀芯和阀座铬镍钢型号概览：(VVG41...)VVG41公称直径mmKvs流量系数[m3/h]SAXSKDSKB型号[两通阀]△Pmax△Ps△Pmax△Ps△Pmax△PsVVG41.11VVG41.12VVG41.13VVG41.14VVG41.15150.6311.62.54800160080016008001600VVG41.20206.3800160080016008001600VVG41.252510800155080016008001600VVG41.32321680087580012758001600VVG41.4040255255257757758001600VVG41.5050403003004504508001225△Pmax阀门***大允许压差；△Ps阀门关闭压差安装套件ALG..2需单独订购)