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Hydro pipes for a van https://www.ausmini.com/forums/viewtopic.php?f=2&t=66354 |
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Author: | drmini in aust [ Sat Oct 16, 2010 7:33 pm ] |
Post subject: | Hydro pipes for a van |
I'm rebuilding the 77 van with hydro (stop laughing, you at the back) ![]() Rather than get special length steel pipes bent up, I'm considering using Pirtek MPH-08 hydraulic hose, run through the 2 floor channels. This stuff is textile braided, rated to 500psi WP, can anybody see a problem? I could use plastic pipe, but at 300psi I'd rather trust hydraulic hose... |
Author: | Morris 1100 [ Sat Oct 16, 2010 7:35 pm ] |
Post subject: | |
There is a plastic pipe that will handle the pressure. Parker Parflex is the stuff. It is similar to what was used on the hydro pumps so it will handle the pressure. |
Author: | Mick [ Sat Oct 16, 2010 7:36 pm ] |
Post subject: | Re: Hydro pipes for a van |
drmini in aust wrote: I'm rebuilding the 77 van with hydro (stop laughing, you at the back)
![]() Rather than get special length steel pipes bent up, I'm considering using Pirtek MPH-08 hydraulic hose, run through the 2 floor channels. This stuff is textile braided, rated to 500psi WP, can anybody see a problem? I could use plastic pipe, but at 300psi I'd rather trust hydraulic hose... I've never measured, but whats the maximum shock pressure one might expect from hydro suspension? The plastic tube replacements have been used for a few years now however.. |
Author: | GT mowog [ Sat Oct 16, 2010 7:48 pm ] |
Post subject: | Re: Hydro pipes for a van |
drmini in aust wrote: This stuff is textile braided, rated to 500psi WP, can anybody see a problem?
Not high enough rating. You need minimum 1000 psi WP to take in to account dynamic pressures. The 300 psi tubing won't last very long at all. I recon it's a great idea! |
Author: | drmini in aust [ Sat Oct 16, 2010 7:59 pm ] |
Post subject: | |
I wonder what the rating on the std bag hoses is, they are textile too but 40 years old, I doubt were 1000psi... |
Author: | GT mowog [ Sat Oct 16, 2010 8:06 pm ] |
Post subject: | |
The std hose on a displacer isn't single ply. Texile hoses are available up to 5000 psi WP and possibly beyond. Think about this. The static pressure of the system is around the 300 psi mark. What happens when your race over yr cattle grid at 60 kmh? Not to mention a landing from those weekend rallies that you also like to do ![]() |
Author: | Morris 1100 [ Sat Oct 16, 2010 8:12 pm ] |
Post subject: | |
The pressure does not increase that much. The rubber spring on the top of the displacer is not a 1000psi spring. |
Author: | GT mowog [ Sat Oct 16, 2010 8:14 pm ] |
Post subject: | |
Morris 1100 wrote: The pressure does not increase that much. The rubber spring on the top of the displacer is not a 1000psi spring.
![]() |
Author: | drmini in aust [ Sat Oct 16, 2010 8:16 pm ] |
Post subject: | |
I'm sure Pirtek had a better hose, however their catalog gives me an error 404 when trying to load. And the Enzed site is damned useless... ![]() [edit] the MPH-08 hose has WP of 35 bar (500psi), and min burst pressure of 140 bar (~2000psi+) I reckon it would handle it. If not, it'll pee and I'll find something better. ![]() |
Author: | Mick [ Sat Oct 16, 2010 8:32 pm ] |
Post subject: | |
Morris 1100 wrote: There is a plastic pipe that will handle the pressure. Parker Parflex is the stuff.
It is similar to what was used on the hydro pumps so it will handle the pressure. ![]() That Morris 1100 in your sig has been copping a hydro suspension hiding for about 6 years Morris. It must be due to blow a bag sometime soon? |
Author: | Morris 1100 [ Sat Oct 16, 2010 8:38 pm ] |
Post subject: | |
GT mowog wrote: Morris 1100 wrote: The pressure does not increase that much. The rubber spring on the top of the displacer is not a 1000psi spring. ![]() Just because you don't understand how hydro works. |
Author: | sitnlo62 [ Sat Oct 16, 2010 8:50 pm ] |
Post subject: | |
Morris 1100 wrote: There is a plastic pipe that will handle the pressure. Parker Parflex is the stuff.
It is similar to what was used on the hydro pumps so it will handle the pressure. I'll second that. Morry your right again ![]() Dave |
Author: | drmini in aust [ Sat Oct 16, 2010 9:10 pm ] |
Post subject: | |
sitnlo62 wrote: Morris 1100 wrote: There is a plastic pipe that will handle the pressure. Parker Parflex is the stuff. It is similar to what was used on the hydro pumps so it will handle the pressure. I'll second that. Morry your right again ![]() Dave This stuff would do it, I used to use similar for HP argon line connections. But I bet it ain't cheap, and doesn't like bending tight. http://www.parker.com/portal/site/PARKE ... HOSE&Wtky= |
Author: | sitnlo62 [ Sat Oct 16, 2010 9:22 pm ] |
Post subject: | |
Kevin, Would do the job for sure but overkill in my opinion. My choice would be this and is cheap as chips, well up to the job. ![]() |
Author: | Morris 1100 [ Sat Oct 16, 2010 9:33 pm ] |
Post subject: | |
sitnlo62 wrote: Kevin,
Would do the job for sure but overkill in my opinion. My choice would be this and is cheap as chips, well up to the job. ![]() Right again! |
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