VF53...系列西门子二通法兰座阀： •介质温度在-20…220℃的高性能阀门 •球墨铸铁 EN-GJSLT阀体 •DN15…150 •kvs0.16…400 m3/h •法兰类型21, 法兰设计为B •与SAX..,SKD..,SKB..,SKC..执行器组合 VVF53系列西门子调节阀技术参数 额定压力:PN25 连接方式:法兰 口径:DN15-DN150 介质温度:-20…220℃ 额定行程:DN15-DN50: 20mm；DN65-DN150: 40mm 材质：阀体球墨铸铁；阀杆,阀座,阀塞不锈钢； VVF53系列西门子调节阀用途 用于锅炉,区域供热和制冷设备,冷却塔,加热机组和空调机组中作为控制或截止阀门 适用用于闭式或开式管路系统(注意避免气蚀). 球铁二通水/汽阀VVF53.15-0.16 球铁二通水/汽阀VVF53.15-0.2 球铁二通水/汽阀VVF53.15-0.25 球铁二通水/汽阀VVF53.15-0.32 球铁二通水/汽阀VVF53.15-0.4 球铁二通水/汽阀VVF53.15-0.5 球铁二通水/汽阀VVF53.15-0.63 球铁二通水/汽阀VVF53.15-0.8 球铁二通水/汽阀VVF53.15-1 球铁二通水/汽阀VVF53.15-1.25 球铁二通水/汽阀VVF53.15-1.6 球铁二通水/汽阀VVF53.15-2 球铁二通水/汽阀VVF53.15-2.5 球铁二通水/汽阀VVF53.15-3.2 球铁二通水/汽阀VVF53.15-4 球铁二通水/汽阀VVF53.20-6.3 球铁二通水/汽阀VVF53.25-5 球铁二通水/汽阀VVF53.25-6.3 球铁二通水/汽阀VVF53.25-8 球铁二通水/汽阀VVF53.25-10 球铁二通水/汽阀VVF53.32-16 球铁二通水/汽阀VVF53.40-12.5 球铁二通水/汽阀VVF53.40-16 球铁二通水/汽阀VVF53.40-20 球铁二通水/汽阀VVF53.40-25 球铁二通水/汽阀VVF53.50-31.5 球铁二通水/汽阀VVF53.50-40 球铁三通水/汽阀VXF53.15-1.6 球铁三通水/汽阀VXF53.15-2.5 球铁三通水/汽阀VXF53.15-4 球铁三通水/汽阀VXF53.20-6.3 球铁三通水/汽阀VXF53.25-6.3 球铁三通水/汽阀VXF53.25-10 球铁三通水/汽阀VXF53.32-16 球铁三通水/汽阀VXF53.40-16 球铁三通水/汽阀VXF53.40-25 球铁三通水/汽阀VXF53.50-40