定壓溢流作用：在定量泵節流調節系統中，定量泵提供的是恒定流量。當系統壓力增大時，會使流量需求減小。此時溢流閥開啟，使多余流量溢回油箱，保證溢流閥進口壓力，即泵出口壓力恒定（閥口常隨壓力波動開啟）定壓溢流作用：武漢耀泰長期供應： 德國力士樂Rexroth泵、閥、馬達，美國威格士Vickers泵、閥，萬福樂、意大利阿托斯ATOS、美國ASCO、丹尼遜，派克，賀德克，哈威，伺服閥等都有大量現貨。
武漢耀泰機電設備有限公司
聯系人：王經理 電話：027-87780928 手機：15387038738 QQ：982980343
DBD溢流閥
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