How Do Check Valves Work? | Spec. Sense

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How does a check valve work? In this episode of Spec. Sense, Vance explains how check valves act as gates, only letting water flow in one direction. Check valves are one way valves, that prevent water from flowing back down a pipe after its been pumped. You'll see how a check valve is used with a sump pump and a condensate pump.
Buy check valves online: www.amresupply.com/catalog/Ch...
Learn how to choose and maintain a sump pump: • How to Choose a Sump P...
Learn how to troubleshoot and replace a condensate pump: • Condensate Pump Replac...
AMRE Supply provides homeowners, service contractors, and property management with the parts and knowledge needed to get the best performance out of any property. Stocking the largest selection of appliance parts, heating, plumbing, lighting, and janitorial supplies, AMRE ships almost anywhere in Canada within 24 - 48 hours. Expert help is available online, over the phone or in person at one of the many locations across Canada.
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Опубликовано:

3 авг 2024

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Комментарии : 110

@yamlcase230 4 года назад

I'm glad I watched it to the end. That is a magnificent mustache!

@AmreSupply 4 года назад

Thank you!

@zakkiediducky 3 года назад

Been searching the internet for like 5 minutes and your 1 and a half minute video just taught me everything i wanted to know, ty

@AmreSupply 3 года назад

Thank you Zak! We're glad you found our video helpful! We have many more on our channel that you might find helpful: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-r_migcta_Is.html

@ZimmMr 4 года назад

Perfect and to the point! Love to see selector valves, direction valves, pressure relief valves too. Thx

@AmreSupply 4 года назад

Thank you, we're glad you found it helpful! We might do some more videos on different valves in the future but until then if you are curious we do have a more specific video on pressure relief valves on water heaters: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2qhsmSbQQzc.html

@TheBenChronicles Год назад

Nice animation. Quick. To the point.

@AmreSupply Год назад

Thank you, we're glad that you liked it!

@kucelkj 4 года назад

Thank you sir, very good description to a layman like myself! Happy New Year!

@AmreSupply 4 года назад

You're welcome Ken, we're glad that you found the video helpful! All the best to you in 2020!

@joshuajesuraendaya4654 3 года назад

Thank you, I've learned a lot after I watched this video.❤️❤️

@AmreSupply 3 года назад

You're welcome Joshua, we're glad that you found the video helpful!

@jasont2074 Месяц назад

Brilliant explanation

@AmreSupply Месяц назад

Thank you, we're glad you found it helpful!

@physicslover1950 Год назад

Thank you so much for this valuable animation.

@AmreSupply Год назад

You're welcome, we're just happy to help! If you're curious we have a whole playlist with more "how it works" videos: ru-vid.com/group/PLCo9SMjkdWBxWwrWCmzvRMSi2kLo9bGdp

@trancemadmaz Год назад

Best explanation I've found so far

@AmreSupply Год назад

Thank you, we're just happy to help! If you're curious we have an entire "how it works" playlist with many other videos with these sorts of animations: ru-vid.com/group/PLCo9SMjkdWBxWwrWCmzvRMSi2kLo9bGdp

@jasonparkinson7621 2 года назад

Quite Informative. Thank you!

@AmreSupply 2 года назад

You're welcome, we're glad that you found it helpful!

@rohidare 4 года назад

Very clear ! Amazing

@AmreSupply 4 года назад

Thank you Rohit! We're glad you found it helpful!

@naderbshara746 3 года назад

Beautiful explanation

@AmreSupply 3 года назад

Thank you Nader!

@ltagye6715 2 года назад

Thank you for this video, so helpful Yes.

@AmreSupply 2 года назад

You're welcome!

@edwards6670 4 года назад

very clear, thank you

@AmreSupply 4 года назад

You're welcome Edward, we're glad you found it helpful!

@tajabdullah.malaysia 3 года назад

Excellent video thanks

@AmreSupply 3 года назад

You're very welcome!

@ickerish 3 года назад

Sweet video. Dubious to the legitimacy of that perfect mustache!

@AmreSupply 3 года назад

Thank you, we're glad you found it helpful! For the record, the mustache is 100% legit in this video. Unfortunately the mustache is not in every one of our Repair and Replace videos, only a few!

@ProlongedExposure 4 месяца назад

Any videos this clear and concise on how spring loaded check valves work? I've got one in a condensate pump (Liberty LCU-20s) that won't close. It would be nice to be able to see inside in order to understand what's going on better.

@AmreSupply 3 месяца назад

Thanks for watching. We haven't created any videos on spring valves yet but we will keep that in mind.

@inthefaithministries 8 месяцев назад

Thank you!

@AmreSupply 8 месяцев назад

You're welcome!

@majedaljaber134 3 года назад

Thanks a lot !

@AmreSupply 3 года назад

You're welcome Majed!

@user-ln6ms3fu7l 7 месяцев назад

Understandable

@AmreSupply 7 месяцев назад

Thank you for watching!

@deepakk1347 Год назад

i like your mustach style

@AmreSupply Год назад

Thank you!

@chamilasumathiratna4182 3 года назад

thank you

@AmreSupply 3 года назад

You're welcome Chamila.

@sunray6648 4 года назад

Thank u sir

@AmreSupply 4 года назад

You're welcome! Thanks for watching!

@elishafreedman 3 года назад

Great video. Which software did you use to create those animations? They were excellent!

@AmreSupply 3 года назад

Thank you, we're glad you liked the animations! The objects were created using Adobe Illustrator and then imported into Adobe After Effects to be animated over time. If you're curious in learning more, look up tutorials on "mograph" or "motion graphics"

@uditsaxena3844 3 года назад

thanks sir

@AmreSupply 3 года назад

You're welcome!

@vincecerna14 2 года назад

Thank youu

@AmreSupply 2 года назад

You're welcome Vince!

@aniswijayanti3723 3 года назад

What is the effect of backflow to motor of pump? Please explain it, thank you sir

@AmreSupply 3 года назад

Thanks for watching. Backflow will reduce the motor life as it will be running more often to remove the same amount of water.

@heatnicoleher 4 года назад

My landlord might need to have one of these installed? I've been in the basement apartment for 4 years, but recently when I use the kitchen or bathroom sink, the main drain overflows, but not the toilet or shower. Any suggestions please?

@AmreSupply 4 года назад

Hi Heather, thank you for watching! Slow draining can be caused by a venting issue or a localized blockage in one of the drains or shared pipes. For venting issues we have an animation describing this in this video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-zGofkKOP2SU.html It might help you visualize it.

@truenorthmuskoka9077 3 года назад

ive been told to remove my check valve on my septic system after the effluent pump so that water in the pipe doesnt freeze in winter. The pipe volume is not enough to cause the pump to cycle again. Any thoughts.

@AmreSupply 3 года назад

Thanks for watching. Cold weather does change things and if the volume of water isn't enough to cause the pump to cycle then it shouldn't be a problem. Depending on the volume it will run a little more frequently than normal but likely not enough to create issues.

@DaDaDo661 10 месяцев назад

AMRE is the best

@AmreSupply 9 месяцев назад

Thank you!!

@cruzanthony21 Месяц назад

Does a bad check valve causes air in the system like sputtering and choking, especially in the morning?

@AmreSupply 8 дней назад

It depends on how it fails. If the check valve is stuck closed then it might sputter. If the check valve does not close properly then water will rush back into the pump and it will run more frequently.

@bfullsyou 2 месяца назад

Are check valves ever immediately above the sump pump or even threaded to it? I am familiar with check valves a bit higher up and out of the sump and then a weep hole is drilled in pipe in sump to prevent air lock in that section.

@AmreSupply 2 месяца назад

Generally the check valve will be 8″ up from the pumps discharge to approximately 12″ above floor level. Any check valves with a MPT (Male Pipe Thread) connection that are designed to thread directly to the sump pump discharge housing must have the air release hole / weep hole drilled into the check valve body directly above the MPT connection and below the flapper. Some of these threaded check valves will come with a pre made weep hole.

@galaxygaming6280 Год назад

My hand pump is facing difficulty in gaining pressure to pull up water. The problem due to check valve or washers like cup washer / plate washer?

@AmreSupply Год назад

Thank you for watching. There are a lot of variables so it is hard to say what is the problem, but yes it's good to check all washers to make sure it has a good seal.

@karungkentang6452 Год назад

What if i put check valve in oulet dan inlet pipe? Is my boster become safer? Is reduce waterhammer much? There is still litle waterhammer when i use one check vale in inlet pipe .

@AmreSupply Год назад

Thanks for watching. Water hammer is the shockwave created when a pump or valve suddenly closes. It is like slamming on the brakes when driving at highway speeds. To fix water hammer, tighting the mounting clips on any pipes can reduce the noise. Installing a dedicated water hammer arrestor will create a cushion for the water, reducing the shockwave. A check valve will not act as a cushion as this is another hard stop in the system.

@ltagye6715 2 года назад

I just want to know , what happened if there is no gravity? In other words, how will be the flow if check valve is closed in this condition?

@AmreSupply 2 года назад

For check valves installed horizontally, a spring is commonly is used to keep the valve closed, so no gravity is needed.

@deusexmachina3496 2 года назад

quite descriptive

@AmreSupply 2 года назад

Thank you!

@Apielakos 4 года назад

Hello i have a 7.5hp centrifugal triphase water pump. Now I get water from a spiral rubber and foot valve drill. The water level is about 4 meters deep. Now I would like to put a check valve on the surface of the tube. My pump will be able to draw 4 meters of air between the pump and check valve to bring the water up;

@Apielakos 4 года назад

Is for agricoltural use.

@AmreSupply 4 года назад

Hi Alexandros, thank you for watching. Unfortunately pumps used for agriculture is outside of our direct experience, so we can't make any specific recommendations. Its worth contacting a local industrial supply shop. As well I'm sure if you do some digging there are likely some forums or website with farmers that have a similar setup as you who could help answer some questions.

@Tim_3100 Год назад

Intresting i have check vavles on my aquarium air lines think they work the same just with air i know if the power fails or i turn my air pump off they stop water going down the line destroying my pump

@AmreSupply Год назад

Thanks for watching. Most check valves are not powered and will still work without any electricity.

@larrybarrameda9013 3 года назад

Can swing check valve can be installed vertically

@AmreSupply 3 года назад

Thanks for watching. Check or swing valves require some sort of backflow to work properly, so that pressure to push the valve closed is more important than the particular orientation of the valve.

@lctortillas 4 года назад

Do check valves have trouble with hot water lines ?

@AmreSupply 4 года назад

Thanks for watching! That is an excellent question. Check valves and backflow preventers can create problems with water heaters due to thermal expansion. In some cases this can cause the relief valve to open intermittently. This is explained in this short video ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-E1B-jSamx5Q.html If you are curious we have a whole playlist on water heaters including troubleshooting and repairs: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-BHUPFLbb8NY.html

@muhdilman9175 2 года назад

to solve air lock either use check valve or bleed valve ?

@AmreSupply 2 года назад

Thanks for watching. A check valve prevents water from draining back down the pipe it is not a tool to solve airlock. To fix a problem with airlock air will need to be effectively released from the system. This can be done through a fixture somewhere in the system or a bleed valve.

@muhdilman9175 2 года назад

@@AmreSupply thank you sir for your information 🙏🏻

@AmreSupply 2 года назад

@@muhdilman9175 You're welcome!

@marshallleo6589 6 месяцев назад

the weight of the water "does not close the check valve". The check valve is opened by the suction of the pump. The check valve has a spring which closes the valve once the suction of the pump turns off. If you depend on the weight of the water to close the valve, you have installed the valve backwards.

@AmreSupply 6 месяцев назад

Thank you for watching. There are gravity closing check valves that work even without a spring. As well swing check valves still work even without a spring as any backflow will push the flap close. You are right that the spring will help close it. In the case of the sump pump, if the check valve was installed backwards the pump would not drain the sump basin as the check valve would prevent water from flowing out through the pipe.

@anthonytorcedo5175 4 года назад

Do i need a check valve from pump to pressure tank?

@AmreSupply 4 года назад

Hi Anthony, thanks for watching. This depends if your pump in your well has a check valve or not. If it doesn't have one then its often still beneficial to use a check valve between the pump and pressure tank.

@anthonytorcedo5175 4 года назад

Thanks, actually im having issues on my booster pump and pressure tank. Reading blogs, i think its water logging, does it something to on their location? Booster pump and pressure tank are situated underneath the storage tank. Hence, there will be flow of water to the tank even the pump is off causing water logging. Just my thoughts.. maybe an expert like you can provide guidance to me... thanks

@AmreSupply 4 года назад

@@anthonytorcedo5175 Yes the location of these can matter and in some cases a check valve is needed between the Booster Pump and pressure tank and after the tank as well. I would recommend contacting a plumber to take a closer look at this as its hard to give specifics as it depends on a lot of factors.

@kimspencer366 Год назад

Will this prevent me from having to prime my pump

@AmreSupply Год назад

Thanks for watching. What sort of pump are you referring to?

@MrMightymin 4 года назад

That tash tho.... Wow

@AmreSupply 4 года назад

Thanks for watching!

@sonnynguyen8012 Год назад

❤

@AmreSupply Год назад

Thanks for watching!

@dcmarvelunited5529 Год назад

Whats the life expectancy of a check valve and is it OK to be redundant on a check valve.

@AmreSupply Год назад

Thanks for watching.For life expectancy is difficult to say it really depends on the application, the pressure and how much it is used. An 2nd check valve will add redundancy but like every elbow in the system it will contribute to the friction inside the system. If the pump is adequately powered this should not be an issue.

@dcmarvelunited5529 Год назад

@@AmreSupply thanks for the quick response. I was thinking of a second valve outdoors to keep critters and rodents out the pipe but now I'm thinking in winter times the check valve flap could freeze shut. I might just put a screen on the pvc located outside.

@SuperKp1986 3 года назад

But doesn't anyone think once that check valve closes water still is sitting above the valve ? ....

@AmreSupply 3 года назад

Thanks for watching. A little bit of water sitting above the check valve is not problematic, and it will prevent the water from flowing back down and triggering the pump again. Without a check valve the pump will run a lot more than what is necessary.

@restore64 4 года назад

I... mustache you a question.

@AmreSupply 4 года назад

Thanks for watching!

@navidmohammadzadeh2141 3 года назад

This is a far too valuable video to watch.

@AmreSupply 3 года назад

Thank you Navid!! We're glad that you found the video helpful!

@aviti59 8 месяцев назад

Troubleshooting a water pump on a gas furnace

@AmreSupply 8 месяцев назад

Thanks for watching. This video shows how to test and replace a furnace condensate pump: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dcLhyLu0-y8.html