Use it or not?  I was under the impression that using a boom pump as a line pump was not safe because the boom puts out much more pressure, and the line pump gear can't handle it.  However, I see alot of pics of guys putting 100+ feet of line on the end of there boom and pumping away.  Is that line special high pressure line, or was I just wrongly informed during my training.  I would much rather be using my boom with extra line that our old thompson piece a you know what.

I think you're wrongly informed indeed. There are line pumps that give a lot more pressure then boom pumps. We're pumping at the moment a tunnel project i  Brussels. With the boom pumps we go up to 200 meter of extra pipe at 80 bar of concrete pressure. With the line pumps we go up to 500 meter of pipeline at 115 bar. The same pumps have pumped a tunnel in France with 1,2 mile of pipeline.

that looks like five inch hose in that last pic.  can or have you run smaller dia. hose.  just looked at my op. manual and it says 1" or bigger rock, can't use 3" dia. or smaller hose.  you pumping bigger rock or just running bigger hose to not have packing problems.

Some additional information: a Schwing boom pump has a maximum concrete pressure of 85 bar a SP 8800 243 bar.

Putzmeister pumped at Burj Dubai up to 606 meter with a BSA 14000 SHP D operating at a maximum of 220 bar of concrete pressure.

We usualy pump with pipes and hoses of DN 100 mm (4") and maximum agregate size of 32 mm or 22 mm depending on the suplier. We do use the 65 mm hoses (3") as well with maximum size aggregate of 14 mm but I don't like them. They're easy to handle but they get blocked up often as well.

Try some 3" on this one.

wouldn't that be nice!!!!  be real nice to be pulling the gear off a brand new chassis as well.   Ah, what dreams may come. 

the problem whit your 3"hose is youre concrete suplier. Whe often run more than 60 meters 3",if the concreteplant know's what you are planing to do thay can make a pumpable mix. Its all about the money.I once pumped a 2cm steel fiber with a 3" hose. 

communicating with the concrete supplier is easy for me, thats who I work for.  We're a small (5 rm trucks, 1 boom 1 line pump) family owned readymix plant.  We also have a couple of boom trucks and do drinking water delivery.  We don't pump anything but a pea gravel mix through our line pump which I pump though 2.5 line pretty easily.   

I know it's no problem to pump with 3" hose if you got the right mix. Problem is that sometimes they make the mix cheaper and less pumpable and sometimes they have some stuff in there that shouldn't be there.

This week I had one truck with some bricks in the concrete. The driver took a dozen of the grid. Some halves passed through the pump and on the last halve m³ a whole brick blocked up the reducer.

Last week on an under water poor, on one truck I had take of the reducer a few times. It was blocked with long flat pieces of hardened cement. The driver explained me the cement weigher outlet in the batching plant was blocked up and they hit with a hammer till it came loose... 

Not to mention the stories of plants working with recycled materials... 

can't say as i've ever pulled a brick out of a truck (wow!), but I've had my share of odd plugs.  chunks of screen wire, trash bags, my kidney seal (that was a long day). 

 If you happen to run a pump without a volume adjustment, you can also put the PTO in a lower gear to reduce the working pressure. I have ran many trailor & truck mounted line pumps that deliver much higher face & working pressures than boom pumps. Also keep in mind that the material pressure at the end of the boom is considerably less than directly off the pump.

 Concrete is pumped through hose off the end of booms every day. It's not my favorite way to get it from point A to point B but I do it whenever I need to.   

Kris, that is one hell of a module, no bending that swing tube shaft. you wouldn't have a pic of the change over rams would you?

it looks like it is plumbed up rod side, strange for a high pressure machine and are those accumulators connected to the end of the hydraulic cylinders there to give each stroke some assistance on changeover?

what was this one built for, i couldnt imagine 11inch cylinders, rod side doing dubia, but what would i know

That big yellow pump module is probably for a mine tailings application, or sewage treatment plant bio-solids transfer.

It's a picture I took from an industrial sludge pump on the Bauma 2007. The weight of the S-tube is 1,5 ton and the volume of the hopper 4600 liter.

are you sure? it's big but it aint that big, 4.6 cubic metre hopper,???

A few more specs and a bit of a story, I suppose from a past Putzmeister Post. http://www.goo.gl/8YyB

Here's one with Kris in the picture. YEAH it's a BigBoy!

It would sure suck to get amputated at the waist cleaning out the S-tube.

Does it even have a clean-out door? Maybe they use a vac-truck.

LOL, Crete, thaty's just TooTall with his Photoshoping skillz....

I'm such a moron!!!

and i thought chris was 6feet 2, not 2foot 6

nice work tho

Too Tall, it's not me, it's Dapper Dan next to the hopper and he needs a hard hat and safety glasses.