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Introduction to common pump terms (4) – Pump similarity

law Application of similarity theory of pump 1. When the similar law is applied to the same vane pump running at different speeds, it can be obtained: •Q1/Q2=n1/n2 •H1/H2=(n1/n2)2 •P1/P2=(n1/n2)3 •NPSH1/NPSH2=(n1/n2)2 Example： Existing a pump, the model is SLW50-200B, we need change SLW50-... Read More

Introduction to common pump terms (3) – specific speed

Specific Speed 1. Specific speed definition The specific speed of water pump is abbreviated as specific speed, which is usually represented by the symbol ns. The specific speed and the rotational speed are two completely different concepts. The specific speed is a comprehensive data calculated ... Read More

Introduction to common pump terms (2) – efficiency + motor

power speed 1. Effective Power: Also known as output power. It refers to the energy obtained by the liquid flowing through the water pump in a unit time from the water pump . Pe=ρ G Q H/1000 (KW) ρ——Density of liquid delivered by pump（kg/m3） γ——Weight of liquid delivered by pump（N/m3）   ... Read More

Introduction to common pump terms (1) – flow rate + examples

1.Flow–Refers to the volume or weight of the liquid delivered by the water pump per unit time.Expressed by Q, the commonly used units of measurement are m3/h, m3/s or L/s, t/h. 2.Head–It refers to the increased energy of transporting water with unit gravity from the inlet to the outle... Read More

HGL/HGW series single-stage vertical and horizontal chemical pumps

HGL and HGW series single-stage vertical and single-stage horizontal chemical pumps are based on the original chemical pumps of our company. We fully consider the particularity of the structural requirements of chemical pumps during use, draw on advanced structural experience at home and abroad, ... Read More

What is the difference between a gas fuel pump and a diesel fuel pump?

One of the most critical components for a car engine is the fuel pump. The fuel pump is responsible for delivering fuel from the fuel tank to the engine to ensure smooth operation of the vehicle. However, it is worth noting that there are different types of fuel pumps for gasoline and diesel engi... Read More

What are the advantages of an electric water pump?

Electric water pumps are an essential component in a variety of industries and applications, playing an important role in ensuring efficient water circulation. As technology advances, electric water pumps are becoming increasingly popular due to their numerous advantages over traditional water pu... Read More

API Series Petrochemical Pumps The Power of the Oil and Gas Industry

In the dynamic world of oil and gas production, every component and equipment plays a vital role in ensuring smooth operation and maximum efficiency.  The API series of petrochemical pumps is one such important component that has revolutionized the pumping process in this industry. In this blog, ... Read More

Efficient fluid delivery solution – efficient double suction pump

The centrifugal pump is the core equipment in the fluid transportation system. However, the actual efficiency of domestic centrifugal pumps is generally 5% to 10% lower than the national standard efficiency line A, and the system operating efficiency is even lower by 10% to 20%, which is seriousl... Read More
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