Question for DHH

/ Question for DHH #1  

6sunset6

Veteran Member
Joined
May 6, 2007
Messages
1,057
Location
SE NY
Tractor
NH TC34DA 34HP HST, 2 rear remotes, front diverter, loaded R4's
Sorry for the double post. I buried this at the end of a different one.

Another question for Ken The hydraulic hose guy.
Like every one else I try to keep cost down on a project. Really hard when it is hydraulics. I started making my own hoses, using all your stuff, reusable ends.
I tried to standardize, kind of , sizes. I started with 3/8 R2 hose and realized I really did not need R2. R1 is ok with 2250 psi which is what my tractor relief is set at. Then I realized that 7gpm , which is what my pump puts out is way too much for accessory 2" cylinders , which is mostly what I fool with. Angle on real blade, snowblower rotation and chute, grapple , etc.
So I have a couple more projects, side shift forks and maybe a 3 point dump box and I am looking at R1 1/4 inch. It is still pretty fast though at 3 gpm
Anyway I was looking at hose ends and I see 1/4 R1 1/4 SAE ends are $14.47
and 1/4 R2 1/4 SAE are $7.89. Pretty big difference when I have to get 12 ends or more. Would like to stay with R1 , more flexible , but this will drive me to R2
How Come such a big difference?
 
/ Question for DHH #2  
I'm not Ken but I do own a hose shop and might be able to answer. Most fittings are priced based on cost of production and how many are produced. It costs a lot of money to set up machines to make fittings. If you only sell a couple thousand a year, price is high per piece. If you sell a couple hundred thousand a year, the cost each drops significantly. Reusables in R2 hose are way more popular than in R1 hose so the cost to manufacture per piece is way lower. Why don't you ask Ken about pre made 100R16 assemblies? 100R16 has similar flexibility to 100R1 but holds the same pressure as 100R2 hose.
 

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