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Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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How to Read a Pump Curve for Centrifugal Pumps | PumpWorks
How to Read a Pump Curve for Centrifugal Pumps | PumpWorks

Centrifugal Pump curves show 8 important factors that are critical in selecting the right pump for your application. These factors are: Flow, Head, Impeller Trim Diameter, Efficiency, Power, NPSHR, MCSF (Minimum Continuous Stable Flow) and RPM. The Pump curve also displays the Pump model, the Pump size and number of stages for multi-stage pumps.

Calculating the Efficiency of Centrifugal Pumps| Sintech Blog
Calculating the Efficiency of Centrifugal Pumps| Sintech Blog

Depending on the pump design, use, and operating conditions, centrifugal pumps have an efficiency of up to 90%. Regular maintenance, proper operating conditions, and timely repairs can help you keep your pumps operating at maximum efficiency.

Efficiency | KSB
Efficiency | KSB

In centrifugal pump engineering, the three terms (power output, power input and power loss) have different meanings depending on the type of efficiency being described in accordance with EN 12723. See Fig. 1 Efficiency. Fig. 1 Efficiency: Losses, efficiencies. Pump efficiency η. Power output ... Pump power output (P Q) Power input ... Pump input power (P)

Centrifugal Pump Efficiency ~ ME Mechanical
Centrifugal Pump Efficiency ~ ME Mechanical

Mechanical efficiency of a centrifugal pump (η m) is, the ratio of theoretical power that must be supplied to operate the pump to the actual power delivered to the pump., Mechanical efficiency can be used to determine the power loss in bearings and other moving parts of a centrifugal pump.

Centrifugal Pump Efficiency ~ ME Mechanical
Centrifugal Pump Efficiency ~ ME Mechanical

Centrifugal Pump Efficiency 1. Mechanical efficiency of a centrifugal pump (η m ):. Mechanical efficiency of a centrifugal pump (η m) is the ratio... 2. Hydraulic efficiency of a centrifugal pump (η H ):. Hydraulic efficiency of a centrifugal pump (η H) is defined as... 3. Volumetric efficiency of a ...

Pump Efficiency - an overview | ScienceDirect Topics
Pump Efficiency - an overview | ScienceDirect Topics

Among many important factors affecting centrifugal pump efficiency and reliability the ability of the pump internals to resist abrasive wear plays a crucial role. Generally in the oil and gas industry when pumps are selected the level of solids in the process fluid is clearly specified.

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