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it only needs to be 1 tonn cylinder diametre 4" and double acting. that is at least 4000 psi 80" stroke.

i want to make it as elevator but without the floor controls or excessive safty. it is a remotly operated elevator wich only goes up and down when needed (maybe twce every month) but when controled know one is near it or around it. only when it is stoped. now what i need is a piston like that...

i want to make it as elevator but without the floor controls or excessive safty. it is a remotly operated elevator wich only goes up and down when needed (maybe twce every month) but when controled know one is near it or around it. only when it is stoped. now what i need is a piston like that...

i know im looking for a cylinder that has the bottom port and top port on the top of the cylinder so that it will be accessible for service instead of the port being in the groubnd where i won't be able to service it or the cbv.

true its probably a lot different because in the electrical area there are a larger amount of people that would understand. for instance the frequency of the voltage also affects the type of cable and sheilding needed for the voltage. so in a system where there are high voltages and low voltages...

i know before any project will be underway i will have a hydraulic consultant certify the system, before and after the system is put in place.

yes i don't think that a 750lb lift would have a pipe burst.

ok?? a cylinder that holds 3 tons,that has a rod diametre of 4"?

that way the pipe won't burst if i have the counterbalance on the manifold.

hi i was looking for a 80-90" Stroke with a 3-4" Bore that would work at around 3000 psi any recomendations?

ya i know so im asking why can't i use steel pipe?

this i know allready thanks though. but i still did't get an answer to my previous posts. cause i noticed that manufacturers of logspliters for instance use rigid pipes for the top port of the cylinder, as well as CAT on their tracktors and excavators.

yes i have a filter in the design one mesh filter for the return and a oil filter (cellulose) for the outlet back into the system

ok according to this i need an H-spool directional valve correct? and then the counter balance valve would go through port a and come out port b? also i don't think it will rupture cause im using steel piping to the cylinder which is in ground up to a small closet right beside the cylinder. so...

i realze that but certain points need rigid pipe

sorry gpm is 2.89 exact

i originaly wanted to use a 1/2" pipe with a orb#8 connector because the setup had parts that were only designed for a D05 plate. and in my case a D05 plate had output to #8 orb ports. the flow rate is around 2.5 to 3 gpm

just another thing i was looking into. for the directional valve i need to know what direction the restrictor valve and one way valve on the top and bottom ports of the cylinder. look at page 2 of 8 and tell me if i need model S or S2 (right hand side above the schematic) here's the link...

lets say that i use a solid pipe up to the directional valve, willit still be problematic?

i have a quick question. if i use a counterbalance valve as a subplate it would be in "A" and out "A"? or in "A" and out "B". (http://www.imav.com/EN/0201/IZ-530-402-00.htm) my guess is that i need it to be in A and return A. (http://www.imav.com/EN/0201/IZ-530-450-00.htm) remember this...