Ram Pump PVC pipe Vs Poly Pipe Drive Pipe

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The ram pump needs a drive pipe to bring water to the pump. The more ridged the pipe the better flow you will have at the top. The two most common pipes used for the drive pipe are poly pipe and pvc pipe. Both will allow the ram pump to work but PVC pipe is much better at containing the pressure wave. In this video I run a ram pump with a PVC drive pipe and a Poly Drive pipe and show the difference between the two.
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Опубликовано:

29 сен 2024

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Комментарии : 34

@HardyBeets 3 месяца назад

Hi Seth, I would like to see a comparison between poly, pvc and galvanised steel with respect to flow rate and maximum pressure ? Nice video as always! thank you.

@gumbystown 3 месяца назад

I wonder how much gain you would gain on the poly pipe if the poly pipe were buried in gravel or buried with rocks on top of it so it wasn't able to move

@travishodges5179 3 месяца назад

It would help yes, the failure comes in the expansion of the walls of the pipe, pvc has more rigidity, steel will give a higher yield than either. Old school said you could only use steel, pvc is kind of a cheat anyway, down grading further just adds insult to injury, if you encased it in concrete poly would perform possible better than PVC

@jayjay6804 3 месяца назад

Length of drive pipe is supposed to be about three to seven times the head height for maximum efficiency. This means the vibration loss is minimized compared to a longer run of drive pipe. To accomplish this an intermediate stand pipe can be used as you stated and has the effect of arresting the vibration. Also, from experience, the pvc pipe will eventually develop cracks and fail since it is designed for rigidity but not the kind of constant water hammer that a ram pump has. This I know from experience. Usually the cracks develop lengthwise and can be difficult to diagnose as a reason for pump efficiency losses. The only solution that maintains the high output over many years is to use (stainless) steel drive pipe.

@Isaac-47517 3 месяца назад

why not hdpe , eg, pex inground?

@PatrickBaptist 3 месяца назад

Thanks for the info, I'd suspect that it would be better to use some metal pipe then because PVC isn't meant to deal with "water hammer" full time, it probably will develop cracks as PVS is rigid as you said, it's also kinda fragile too. This video was helpful though, thank you.

@samuelsichone9275 3 месяца назад

Hello Seth, Wonderful insight about the ram pump. Job well done. If someone is in a situation where there is no falling water and opts for the v-pump since it does not require electricity as well, what is your take on that? Because most videos available tend not to be clear about the item, do you mind making a video on the performance of the v-pump as well? Your positive response will be appreciated. Regards, Samuel

@markb.1259 3 месяца назад

Any chance you could setup a pump with a stand pipe in the system so we (I) can have a better idea what you're talking about??

@TSGEnt 3 месяца назад

Great demo. I'm curious to see if you weigh down the poly pipe (or PVC for that matter) with a brick or other means to keep the pipe form bouncing. How much more water would be delivered up hill in 60 seconds?

@LandtoHouse 3 месяца назад

That is a good test idea. Because my sample drive pipe is only about 30 feet long it might not have significant results. It's still worth talking about and showing a demonstration.

@TSGEnt 3 месяца назад

@@LandtoHouse 👍

@jllaine 3 месяца назад

Nicely done demo and clear display and explanation of the results, well done!

@sarahpeterson2229 3 месяца назад

We have a stream flowing year round in our backyard. We want to build or buy a ram pump. We need someone like you to tell us if we can draw wanter from the stream to the greenhouse.

@balexan530 3 месяца назад

I'm curious if the ID of both pipes are the same?

@BobBob-il2ku 3 месяца назад

Could you use poly pipe for some of the fbegging amount then convert to PVC for closer to the ram pump? What’s the minimum number of feet of PVC pipe?

@LandtoHouse 3 месяца назад

Yes you can mismatch pipe. The minimum recommended drive length is 25 feet. 100 is about the max but a standpipe can be installed for extra length.

@pleasantplacesfarm 3 месяца назад

Crazy timing. Today I installed my ram pump that I bought from you. I used poly because that is what I had on hand. I was wondering about the jump and using PVC. I have a 2" supply pipe for 275' then a 3/4" drive pipe for 75'. Think I need a stand pipe or does the 2" supply line essentially act as one? I just came inside while I wait for the water to come up the delivery pipe which is 800ft long.

@pleasantplacesfarm 3 месяца назад

Hmm. no water. I must have miscalculated somewhere along the way. That being said, when I first bought the pump several years ago it worked ok. Unfortunately a flood washed it out the next day. I'm a little stumped. One thing that has been very difficult is knowing my true elevation at various points. My delivery pipe is 800' away from the pump.

@bcboncs 3 месяца назад

Didnt you already do this video way earlier than 4 days ago? Did you just remake it with sunglasses on? Im confused

@bcboncs 3 месяца назад

Found it from a year ago. This is more concise though. I will be purchasing one of these ram pumps mostly bc you've already done a lot of sizing tests and I want to obsess from your starting point. Have you considered combining a ram pump for upward flow and a hydroturbine for downward flow, potentially in a closed loop system, while harnessing the energy? Any results from this?

@1100wing 2 месяца назад

Have you experimented with PEX pipe?

@lv7603 2 месяца назад

Pex will breakdown faster due to UV light limitations.

@Isaac-47517 3 месяца назад

how bout securing the pipe with stakes, etc.

@LandtoHouse 3 месяца назад

Yes locking down the drive pipe is a great idea. I like to use rocks in the creek. Makes a big difference.

@travishodges5179 3 месяца назад

Wouldn’t steel give a higher yield still

@LandtoHouse 3 месяца назад

Yes it sure would. Much more costly though.

@matthoskin3572 3 месяца назад

Looks like it wastes half the water coming out of valve. Any reason why you dont just use a solar pump?

@Hagledesperado 3 месяца назад

Complexity

@LandtoHouse 3 месяца назад

The ram pump is great when you have a flowing creek. If your water source is not flowing, the ram pump wastes a lot of water.

@pleasantplacesfarm 3 месяца назад

A solar pump isn't an option for us because of how dense the tree canopy is. Plus the cost is much higher.

@05excursionltd 3 месяца назад

Good to know, as I will now not replace my 125' of 1" PVC drive pipe with poly pipe. We thought the poly pipe would be less noticeable in the creek, but I can't afford to lose the elevation loss in the supply pipe. Great test!

@LandtoHouse 3 месяца назад

Unless you place lots of rocks on the poly pipe it will bounce all around. PVC is the way to go for sure