Let’s Know About Check Valve. Types Of Check Valve.

Let’s Know About Check Valve. Types Of Check Valve.


The valve that is used to prevent backflow in a piping system is known as a Check Valve or non-return valve (NRV). The pressure of the fluid passing through a pipeline opens the valve, while any reversal of flow will close the valve. It allows full unobstructed flow and automatically shuts as pressure decreases. The exact operation will vary depending on the mechanism of the valve.



#Parts of a Check Valves:

It consists of the body, cover, disk, hinge pin, and seat ring. In the image below you can see the parts of the check valves.


Check Valve about knowledge of Chemical Process Technology And Oil And Gas/Chemicals/petrochemical Industries, To carry out a respensible position where we could use our technical and interpersonal skills and creativity and all of our learning & working experience in order to develop our career as well as to contribute in the welfare of the organization or Oil And Gas/Chemicals/petrochemical Industries.

#Types of Check Valves or Non-Return Valves:-

The type of disk will decide the type of valve. The most common types of Check valves are:-

A.  Swing Type:-

 01.  Top Hinged

02.  Tilting disk

B.  Lift Type:-

01.  Piston Type

02.  Ball-type

C.  Dual Plate Type

D.  Stop Check Valve.

#Application of Check Valves or (NRV):-

Check valves are used in a piping system to prevent backflow. The discharge line of rotary equipment such as pumps and compressors is always fitted with check valves or non-return valves to prevent backflow.

The only function of a Non-return valve is to prevent backflow. There is no better alternative. Yes, you can choose the best NRV from the various available type that you have learned but you cannot supplement the Non-return valve with another valve. яндекс

Please take a look at the following links:

What Is Strainer? Types of the strainer.

What Is Lubricant And Properties Of Lubricant?

The Steam Turbine, And How It Works?

What Is Rupture Disc, How Does It Work?

What is the Critical Point, Surge Point, Yield Point, Aniline Point, Triple Point, Triple Point Of Water, Melting Point, and Auto Ignition Point?

What Is Fire Point, Smoke Point, Freezing Point, Dew Point, Flash Point, Pour Point, Boiling Point, or Bubble Point?

Different Type Of Boilers. Boiler Operation And Operation Coefficient.

Pump Cavitation And Prevention.

Pumps & How It Works?

Centrifugal Pump & Troubleshooting.

Let’s Know About What Is Seal And Types Of Seals.

Personal Protective Equipment (PPE). Types Of PPE.

Safety Measures Associated With Confined Space.

Explosion Hazard And How To Prevent It?

How To Prevent Fire Hazards In The Workplace?

Accident And Its Prevention In Work Place.

Occupational Hazard And Safety Requirements In Industries.

What Is Gas Hydrate? How To Prevent It?

What Is Filter Or Separator? Types Of Filters.

Let’s Know About Plumbing Fittings Or Pipe Fittings.