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蠕动泵曲线理解指南 最佳效率点 摩擦损失 雷诺数 摩擦系数 Masterflex 尽可能发布具有代表性的流量与背压曲线。在许多情况下，我们还可以提供量化参数的性能曲线，例如 NPSHreq NPSHreq: 泵无汽蚀运行所需的净正吸入压头。 NPSHreq 以常用压头英尺或压力单位表示。 什么是压头？ 压头，也叫排放压头或排放压力，是指反推至泵出口处所需的总压力。 压头通常可通过测量液体的静态高度和泵管的摩擦损失来计算。如果管道遇到其他限制，如扭结或流量减少，则该值也会增加。 吸力和压力 ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

ペリスタリックポンプ曲線の読み方 最高効率点 摩擦損失 レイノルズ数 摩擦係数 Masterflexでは、代表的な流量対背圧曲線を公表するために最大限の努力をしています。多くの場合、NPSHreqなどのパラメータを定量化した性能曲線を提供することも可能です。 NPSHreq: キャビテーションのない運転を行うためにポンプが利用可能でなければならない有効吸込みヘッドのこと。NPSHreqは通常、フィートヘッドまたは圧力の単位で表されます。 「ヘッド」とは？ ヘッドとは、吐出ヘッド、吐出圧力と...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Flüssigkeitspumpen Technische Gleichungen und Informationstabellen Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. T...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Flüssigkeitspumpen Technische Gleichungen und Informationstabellen Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. T...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Liquid Pumps Technical Equations and Information Tables Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suction. Try to keep ...

Équations techniques et tableaux d'informations sur les pompes à liquides Efficiency Formulas for Rotary Positive Displacement Pumps Pipe Velocity It is best to allow 10 pipe diameter upstream and 5 pipe diameter downstream leading to the pump suc...