VVF47.100/VVF47.125/VVF47.150 西门子 二通法兰阀/调节阀 Stroke:40 mm Leakage rate:0...0.1% of Kvs value DN:100 kvs:160 m³/h Medium temperature:1…95 °C Valve characteristic:Equal percentage Rangeability:DN 50…150: &am...
VVF47.50/VVF47.65/VVF47.80 法兰阀 调节阀 西门子Siemens Stroke:20 mm Leakage rate:0...0.1% of Kvs value DN:50 kvs:40 m³/h Medium temperature:1…95 °C Valve characteristic:Equal percentage Rangeability:DN 50…150: >...