西门子电动调节阀：VVF31系列二通阀法兰连接,PN10青岛兰吉尔自控系统有限公司李慧：17685528239***：2124409272产品简介：法兰连接二通阀,耐压等级PN10•阀体：球墨铸铁GG-25•公称直径：DN25...150mm•流量：kvs5...300m3/h•阀杆行程：20或40mm•可与SQX...,SKD...,SKB...和SKC...系列执行器配合安装应用：适用于供热系统、暖通空调系统中作为符合DIN32730标准的控制阀或安全截止阀。只适用于闭式系统。介质采用标准密封的标准阀门适用于以下介质：冷冻水−25...+130°C低温热水−25...+130°C高温热水−25...+130°C防冻水1)2)−25...+130°C盐水1)2)−25...+130°C备注：1)介质温度低于0°C时：需要ASZ6.5阀杆加热元件来防止密封套内的阀杆***2)防冻水和盐水：***低−10°C符合DIN3158标准(压力容器I)或***低−25°C符合DIN3158标准(压力容器II)产品型号：VVF31.15-2.5VVF31.15-4VVF31.24VVF31.25-6.3VVF31.25VVF31.25-10VVF31.39VVF31.40VVF31.40-25VVF31.50VVF31.50-40VVF31.65VVF31.65-63VVF31.80VVF31.80-100VVF31.90VVF31.100-160VVF31.91VVF31.125-250VVF31.92-300VVF31.150-315型号概览：(VVF31...)VVF31系列公称直径mmKvs流量系数[m3/h]SQXSKDSKBSKC型号[两通阀]△Pmax△Ps△Pmax△Ps△Pmax△Ps△Pmax△PsVVF31.15-2.5VVF31.15-4152.54300100030010003001000VVF31.24VVF31.25-6.3VVF31.25VVF31.25-102556.37.510300100030010003001000VVF31.39VVF31.40VVF31.40-25401219253005253007753001000VVF31.50VVF31.50-405031403003253004753001000VVF31.65VVF31.65-63654963175175275275300750VVF31.80VVF31.80-1008078100100100175175300500VVF31.90VVF31.100-160100124160200300VVF31.91VVF31.125-250125200250150200VVF31.92-300VVF31.150-315150300315100125△Pmax阀门***大允许压差；△Ps阀门关闭压差VVF31.15-2.5VVF31.15-4VVF31.24VVF31.25-6.3VVF31.25VVF31.25-10VVF31.39VVF31.40VVF31.40-25VVF31.50VVF31.50-40VVF31.65VVF31.65-63VVF31.80VVF31.80-100VVF31.90VVF31.100-160VVF31.91VVF31.125-250VVF31.92-300VVF31.150-315)