底阀 H42X Foot Valve 公称压力：PN0.25～2.5MPa公称尺寸：DN200～DN800适用介质：水适用温度：≤80℃材 质：铸铁密封材料：橡胶 金属Nominal pressure：PN0.25～2.5MPaNominal diameter：DN200～DN800Suitable medium：waterSuitable Temp：≤80℃Material：cast ironSealing material：NBR－Metal 本阀垂直安装于泵吸水管的底端，作为防止水介质倒流、保持水位的设备。 This valve is installed vertically in the bottom of the pump drawing pipe as a device which prevents the water from flowing back and keeps water level.
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