Want to know about the Difference between orificemeter and venturimeter?
Then you are on the right path. Here you will know the detailed comparison between these two devices.
So, I invite you to come with me and feel comfortable while I start the engine of this knowledgeable journey here at Engineers Rail.
So, Without further delay, Let’s dive in.
Before jumping in the title of the article, It would be nice to know about these devices briefly.
So, here we go…
What is an Orifice meter?
- Basically, an Orifice meter is referred as a type of flow meter that uses differential pressure measurement techniques and this helps to get discharge rate as well as calculate the flow rate.
- In short, Orifice meters is a device to measure the flow rate or discharge rate of any fluid. Oficemeter is used mainly in robust applications and an Orifice meter works based on the differential measurement technique.
Diagram of Orificemeter–
What is Venturimeter?
Volumatricmeter is a discharge measuring device, it measures volumetric flow.
Here, You may ask what is volumetric flow?
So, volumetric flow is the amount of the fluid flowing or volume of fluid flowing through the media per unit of time. In short, the volume of the flowing fluid per unit of time.
Diagram of venturimeter
Hence, knowing briefly about these two measuring devices above now let’s move on to the comparison section between these two devices, keeping your purpose of landing here.
So, here it is-
Difference between orificemeter and venturimeter-
Here is the side-by-side comparison of the orifice meter and venturimeter in the table down below-
|1.||Generally used to measure the liquid flow rate||Used to measure the flow rate of fluids|
|3.||Easy to install||Fabrication is highly technical|
|4.||Simple Construction||Difficult construction|
|5.||More head loss||Less head loss|
|6.||High power losses||Less power losses|
|7.||Highly flexible||Less flexible|
|8.||Small in size||Large in size|
|9.||Less costly||Higher cost|
|10.||The coefficient of discharge is low||The coefficient of discharge is high|
|11.||Less space required||Large space needed|
|12.||Less accuracy||High accuracy|
|13.||Pressure loss||Balanced pressure|
|14.||Orifice meter consists of double-tapping||Venturi meter consists of single tapping|
|15.||Used to increase the pressure||Also used to increase the pressure|
|16.||5:1 Turn Down ratio||10:1 Turn Down ratio|
|17.||Low installation cost||High installation cost|
These were the major 17 differences between the orifice meter and venturimeter which are given in the table above.
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Difference between orificemeter and venturimeter pdf-
Before you go, here are some Q&A sections on this topic called ‘Difference between orifice meter and venturi meter. You should not miss this.
A Venturi meter is a flow rate measurement apparatus which has a converging and diverging section as well as a throat. Whereas, An orifice metre is a piece of equipment that measures the flow rate of liquid using an orifice plate as a flow limitation.
Venturi is more accurate than orifice.
Venturimeter is used to measure the flow rate of the fluid.
Venturimeter works on the principle of Bernoulli’s equation.
In terms of overall flexibility, Venturimeter is the best measuring device.
Abhishek Tiwary is a blogger by passion and a Quality Engineer by profession. He completed his B.Tech degree in the year 2017. Now working in a reputed firm. He loves to share his knowledge with others.