联系人：盖瑞雪***:2673965897电话：0531-87777019西门子电动调节阀VVF31系列VVF31系列阀体l法兰连接，符合标准ISO7005l适用于闭环系统中，冷冻水和低温热水的控制行程：DN100以上：40mmDN80以下：20mm泄漏率：0….0.02%KVS介质温度：-10….150℃阀门流量特性：等百分比阀门可调比：DN25…40：>50DN50…150：>100允许工作压力：1000kPa阀体：铸铁EN-GJL-250阀门内件材料：<DN40：铬镍钢/黄铜>DN50：铬镍钢/青铜Rg5额定压力：PN10低温热水高达150℃三元乙丙橡胶O形圈冷冻水1℃以上三元乙丙橡胶O形圈防冻水：当介质温度<0℃时，需要阀杆加热附件ASZ6.5法兰连接二通调节阀VVF31.25VVF31.39VVF31.40VVF31.50VVF31.65VVF31.80VVF31.90VVF31.91VVF31.92VVF40.100-124VVF40.125-200VVF40.150-300VVF40.15-1.9VVF40.15-3VVF40.25-5VVF40.25-7.5VVF40.40-12VVF40.40-19VVF40.50-31VVF40.65-49VVF40.80-78VVF41.49VVF41.49（4）VVF41.50VVF41.50（4）VVF41.65VVF41.65（4）VVF41.80VVF41.80（4）VVF41.90VVF41.90（4）VVF41.91VVF41.91（4）VVF41.92VVF41.92（4）VVF45.49VVF45.49（4）VVF45.50VVF45.50（4）VVF45.65VVF45.65（4）VVF45.80VVF45.80（4）VVF45.90VVF45.90（4）VVF45.91VVF45.91（4）VVF45.92VVF45.92（4）VVF52.15-0.16VVF52.15-0.2VVF52.15-0.25VVF52.15-0.32VVF52.15-0.4VVF52.15-0.5VVF52.15-0.63VVF52.15-0.8VVF52.15-1VVF52.15-1.25VVF52.15-1.25GVVF52.15-1.6VVF52.15-1.6GVVF52.15-2VVF52.15-2.5VVF52.15-2.5GVVF52.15-2GVVF52.15-3.2VVF52.15-3.2GVVF52.15-4VVF52.15-4GVVF52.25-10VVF52.25-10GVVF52.25-5VVF52.25-5GVVF52.25-6.3VVF52.25-6.3GVVF52.25-8VVF52.25-8GVVF52.40-12.5VVF52.40-12.5GVVF52.40-16VVF52.40-16GVVF52.40-20VVF52.40-20GVVF52.40-25VVF52.40-25GVVF529.100KVVF529.125KVVF529.150KVVF529.50KVVF529.65KVVF529.80KVVF61.09VVF61.10VVF61.11VVF61.12VVF61.13VVF61.13(2)VVF61.14VVF61.14(2)VVF61.15VVF61.15(2)VVF61.23VVF61.23(2)VVF61.24VVF61.24(2)VVF61.25VVF61.25(2)VVF61.39VVF61.39(2)VVF61.40VVF61.40(2)VVF61.49VVF61.49(2)VVF61.50VVF61.50(2)VVF61.65VVF61.65(2)VVF61.80VVF61.80(2)VVF61.90VVF61.90(2)VVF61.91VVF61.91(2)VVF61.92VVF61.92(2)外螺纹连接二通调节阀VVG41.15VVG41.20VVG41.25VVG41.32VVG41.40VVG41.50VVG44.15-0.25VVG44.15-0.4VVG44.15-0.63VVG44.15-1VVG44.15-1.6VVG44.15-2.5VVG44.15-4VVG44.20-6.3VVG44.25-10VVG44.32-16VVG44.40-25VVI41.15-2.5VVI41.15-4VVI41.20-6.3VVI41.25-10VVI41.32-16VVI41.40-25VVI41.50-40VVP45.20-4VVP45.25-10VVP45.25-6.3VVP45.32-16VVP45.40-25法兰连接三通调节阀VXF31.25VXF31.39VXF31.40VXF31.50VXF31.65VXF31.80VXF31.90VXF31.91VXF31.92VXF40.100-124VXF40.125-200VXF40.150-300VXF40.15-1.9VXF40.15-3VXF40.25-5VXF40.25-7.5VXF40.40-12VXF40.40-19VXF40.50-31VXF40.65-49VXF40.80-78VXF41.25VXF41.25（4）VXF41.40VXF41.40（4）VXF41.49VXF41.49（4）VXF41.50VXF41.50（4）VXF41.65VXF41.65（4）VXF41.80VXF41.80（4）VXF41.90VXF41.90（4）VXF41.91VXF41.91（4）VXF41.92VXF41.92（4）外螺纹连接三通调节阀VXG41.15VXG41.20VXG41.25VXG41.32VXG41.40VXG41.50VXG41.15-0.25VXG41.15-0.4VXG41.15-0.63VXG44.15-1VXG44.15-1.6VXG44.15-2.5VXG44.15-4VXG44.20-6.3VXG44.25-10VXG44.32-16VXG44.40-25VXI41.15-2.5VXI41.15-4VXI41.20-6.3VXI41.25-10VXI41.32-16VXI41.40-25VXI41.50-40VXP45.10-0.25VXP45.10-0.4VXP45.10-0.63VXP45.10-1VXP45.10-1.6VXP45.15-2.5VXP45.20-4VXP45.25-10VXP45.25-6.3VXP45.32-16VXP45.40-25MEC控制器)