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Check valve Videos

Swing Check Valve Animation - G M Engineering (www.gmengg.com)

G M Engineering - India a leading manufacturer of Ball Valve, Gate Valve, Globe Valve, Check Valve, Butterfly Valve , Plug Valve etc.

User Comments

nahas ishaq commented on 17 Oct 2015

A check valve, clack valve, non-return valve or one-way valve is a valve that normally allows fluid (liquid or gas) to flow through it in only one direction.

nSI CAn commented on 02 Mar 2015

Good Animation...buuut....

Check Valve.avi

User Comments

Pramod C commented on 22 Dec 2010

Nice tutorial, can you upload Parallel Gate valve(Twin disc) Tutorial

How to make a Bottle cap check valve

A Bottle cap check valve from shampoo pump. Well made valve is not leaking.

User Comments

BlueBetaPro commented on 24 Jul 2015

What would the world be without hot-glue guns.

billal x commented on 29 Oct 2015

+BlueBetaPro i have a hot glue gun and refills.. but i dont prefer it.

Mohan Thomas commented on 22 Apr 2015

Can I turn it the other way around so that I can do bottle brewing? I want a system to prevent my bottle from exploding while still maintaining enough pressure inside to carbonate my beer. Any ideas?

Mohan Thomas commented on 26 Jul 2015

+bombkangarooOkay thanks. I will think of something. :)

bombkangaroo commented on 26 Jul 2015

+Mohan Thomas If you built something similar, but the other way around, and had a spring pointing into the bottle, pulling on something threaded through the ball, so that the ball was pushed against the hole from the outside, then it would work, as long as the pressure necessary to overcome the tension in the spring was less than the pressure needed to rupture the bottle.EDIT: Actually it might be easier/safer to build the spring assembly outside of the bottle.

Marcel Shaffer commented on 04 Mar 2015

ah hot glue. the answer to all problems

Fiona Rowlands commented on 05 Mar 2015

Read the book called Cinder

Fiona Rowlands commented on 05 Mar 2015

I don't need to make it

Marcel Shaffer commented on 05 Mar 2015

pft like you'll ever make it

Fiona Rowlands commented on 04 Mar 2015

That's cool

How to Make Check Valve and Pump

Here we make a check valve and a pump.

Super simple easy homemade check valve!

Neat trick if you are building with 3" PVC and you want one-way flow for any reason. You will need: ~The pipe you were going to use ~The elbow or fitting you ...

User Comments

Matt Anderson commented on 21 Mar 2013

thx for posting, that is really simple and really valuable info. I want to make a one way valve in my dryer vent pipes cause I have 4 dryers connected to the same wall outlet and if one dryer is not on then the moisture from the other dryers gets in there and can cause rusting. I'm using 4" PVC so I will have to cut out a piece of sheet metal to fit my size piping. Very cool and cheap!

1stClassImaging commented on 07 Apr 2013

I had an idea that you might want to try. Instead of cutting your outflow pipe randomly, how about just cutting the pipe at an angle? The oval shape that it creates will allow water to exit on the two sides of the ellipse. The only problem that I see with your check valve is that it will significantly reduce flow.

Lucky B commented on 20 Sep 2015

come up with a on way flapper valve or restrector valve for 2 -3-4 " PVC .. that will allow wet gravel to come threw on the pull but will not allow it to return on the push . that is durable and will last ..

Winston Ford commented on 18 Jul 2013

Badass. Any ideas for a check valve for water flowing through 5/16" ID clear vinyl tubing? Thinkin a plastic bb incased in a coupling that fits around the OD might work..