ATV930系列变频器:
ATV930D11N4,ATV930D15N4,ATV930D18N4,ATV930D22N4,ATV930D30N4,ATV930D37N4,ATV930D45N4
ATV930D55N4,ATV930D75N4,ATV930D90N4,ATV930U07N4,ATV930U15N4,ATV930U22N4,ATV930U30N4
ATV930U55N4,ATV930U75N4
ATV950系列变频器:
ATV950U15N4,ATV950U22N4,ATV950U30N4,ATV950U40N4,ATV950U75N4
ATV950D18N4,ATV950D22N4,ATV950D37N4,ATV950U22N4E,ATV950U55N4E,ATV950D18N4E,ATV950D22N4E
ATV960系列变频器:
ATV960C11Q4X3,ATV960C16Q4X3,ATV960C25Q4X3,ATV980C11Q4X3,ATV980C20Q4X3,ATV980C35Q4X3
ATV960C20Q4X3-O,ATV960C31Q4X3-O,ATV980C11Q4X3-O,ATV980C56Q4X3-O
ATV310A系列变频器:
ATV310H037N4A,ATV310H075N4A,ATV310HD11N4A,ATV310HU15N4A,ATV310HU22N4A,ATV310HU30N4A
ATV310HU40N4A,ATV310HU55N4A,ATV310HU75N4A
ATV310E系列变频器:
ATV310H037N4E,ATV310HU22N4E,ATV310HU55N4E,ATV310HD11N4E
ATV610系列变频器:
ATV610C11N4,ATV610C13N4,ATV610C16N4,ATV610D11N4,ATV610D15N4,ATV610D18N4,ATV610D22N4
ATV610D30N4,ATV610D37N4,ATV610D45N4,ATV610D55N4,ATV610D75N4,ATV610D90N4,ATV610U07N4,
ATV610U15N4,ATV610U22N4,ATV610U30N4,ATV610U40N4,ATV610U55N4,ATV610U75N4
ATV312系列变频器:
ATV312HU30M3,ATV312HU30N4,ATV312HU40N4,ATV312HU55N4,ATV312HU75N4,ATV312H018M2,ATV312H037M2
ATV312H037N4,ATV312H055M2,ATV312H055N4,ATV312H075M2,ATV312H075N4,ATV312HD11N4,ATV312HD15N4
ATV312HU11N4,ATV312HU15N4,ATV312HU22N4充水水泵在启动以前,泵壳和吸水管内必须先充满水,这是因为有空气存在的情况下,泵吸人口真空无法形成和保持。暖泵输送高温液体的泵,如电厂的锅炉给水泵,在启动前必须先暖泵。这是因为给水泵在启动时,高温给水流过泵内,使泵体温度从常温很快升高到1~2℃,这会引起泵内外和各部件之间的温差,若没有足够长的传热时间和适当控制温升的措施,会使泵各处膨胀不均,造成泵体各部分变形、磨损、振动和轴承抱轴事故。