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작성자헐랭이 조회 6회 작성일 2021-06-18 16:58:09 댓글 0

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Pinch Valve Operation and Performance

A pinch valve offers a cost-effective and practical solution for controlling the flow of media through a pipe line or any other system. The operating principle of pinch valves is simple. In the open position, the valve is full bore with no flow restrictions. During closing, two pinch bars squeeze the valve sleeve shut on the centerline. The sleeve is naturally wear resistant and when particles hit the sleeve’s rubber surface, the energy is absorbed and released when the rubber bounces back.

Pinch valves are controlled through linear motion via a manual screw mechanism, or linear pneumatic or electric actuator.

Heavy duty pinch valves provide bubble tight shut-off even if solids have built up on the sleeve wall. When compressed, any crystallized particles flake off the sleeve surface. The full bore structure ensures free flow of the medium. The construction and materials of the three main components (sleeve, body and actuator) can be tailored to suit your process conditions.

Pinch valves have gained increased popularity in a wide variety of industries such as waste water treatment, cements, mining, food and beverage, medical, pharmaceuticals, others, primarily because they offer tight shut-off, full bore flow, and pressurized self-cleaning from the movement of the flowing media.

Benefits of pinch valves:

Long service intervals.
Only one wearing part.
Excellent for slurries, dry powders, and abrasive materials.
Low maintenance cost.

Contact Automatic Controls of Virginia for any challenging valve application.

https://www.acva.com
(804) 752-1000
Shaikh Junaid : Thanks
Roberto Martínez : Thanks!

How Pinch Valves Work

This 3D animated video explains how a pinch valve works. We discuss how the valve works, its construction materials, advantages, disadvantages and its applications. The type of pinch valve used in this video is a pneumatically actuated pinch valve.

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Ultimate Valve Playlist with detailed video tutorials of each valve type!

https://www.youtube.com/playlist?list=PLjoH8XiKuSWlZA8IMStMGEbtMHx7WrU5s

Or watch each video separately!

Valve Construction and Components Explained
https://www.youtube.com/watch?v=naXxsXJzLvg

How Globe Valves Work
https://www.youtube.com/watch?v=GSEIpwf5FBI

How Ball Valves Work
https://www.youtube.com/watch?v=RvD1R8Tlr9M

How Gate Valves Work
https://www.youtube.com/watch?v=C5ZMLWujKGs

How Butterfly Valves Work
https://www.youtube.com/watch?v=jZgOb55J8Eg

How Diaphragm Valves Work
https://www.youtube.com/watch?v=dxelSWY6bhg

How Plug Valves Work
https://www.youtube.com/watch?v=WwrWKBydxeM

How Pinch Valves Work
https://www.youtube.com/watch?v=v1BE4wtUOfw

How Pneumatic Valves Work
https://www.youtube.com/watch?v=fwCmcD8p2Kw

How Swing Check Valves Work
https://www.youtube.com/watch?v=d9e9rQmyR0s

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FREE Introduction to Valves App!

Google Play

https://play.google.com/store/apps/details?id=com.trafol.valves

iTunes

https://itunes.apple.com/us/app/process-valves/id1439609788

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Check out some of our FREE engineering Apps!

https://play.google.com/store/apps/developer?id=saVRee

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https://courses.savree.com/

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Pinch valves are used to start, stop and regulate flow. The valve is unique compared to other types of valves as it has very few parts.

Pinch valves are cheap compared to other types of valve.

The pressure drop associated with this valve is very low, this is because flow through the valve is almost unobstructed when the valve is fully open.

The valve consists of a body, cartridge, end plate and sleeve. Valves can be purchased with all parts, or, its possible to purchase only the sleeve and insert it into an existing valve body.

Because the valve has so few parts, it is very well suited to applications where leakage or foreign body contamination is not desired. The valve has a large seating area that gives it good seating abilities which reduces the likelihood of the valve passing.

Pinch valves can be operated locally, or remotely. They can also be actuated mechanically, electrically, hydraulically or pneumatically. The response time of the valve (time from fully open to fully closed, or vice versa), can be very low for hydraulic and pneumatically actuated type valves.

Typical applications include slurry systems (liquids with large amounts of suspended bodies) and pneumatic systems conveying solids (granules).

This video lesson is part of our Introduction to Valves course:

https://savree.com/en/list-of-savree-courses/

You can read more about pneumatic pinch valves in our technical encyclopedia:

https://savree.com/en/product/pneumatic-pinch-valve/

Want to use this 3D model in your training course or lesson? Simply join saVRee!

Access all courses and over 300 interactive 3D models for only €14.99 a month (no obligation trial month only €9.99).

If you need a custom 3D model for your interactive 3D presentation or marketing video, please visit:

https://savree.com/en/custom-3d-model/

If you need a custom 3D animation for your interactive 3D presentation or marketing video, please visit:

https://savree.com/en/custom-3d-animation/

Need a custom product configurator similar to that shown in the video? Get in touch!

https://savree.com/en/contact


#saVRee #Valve #IndustrialEngineering
Abraham Jerry Prakkat : At 3:26, Did you mean the sleeve is also the seat?
A16 Manisha Kushwaha : Can you please name the different components?
luis humberto ruiz betanzos : 5:00
Roberto Martínez : Thanks!
김재우 : you rock.

Flowrox 핀치밸브



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