8000 question

On my "new" 8000, 3 of 4 hoses from the remotes need replacing. I want to buy 90 deg. fittings the hoses can screw into instead of having them made to the hoses. My question is this: is the male part that threads into the valve 3/4"? I haven't measured, but I'm thinking I need 3/4 male o-ring x 1/2 pipe. That sound right? the NH site didn't list a size.

3/4 male o-ring (#8 ORB) sounds right to me where it goes into the valve. What you adapt it to from there is totally your call. Myself, I'd stay away from pipe thread.

Ok, thanks, but isn't pipe thread and most hydraulic thread the same? Papa was always too cheap to buy hyd fittings for cylinders and used gas elbows and threaded the hose right into them. Just saying. Whatever's the right thread for hydraulics is what I want to use. I'm cheap, but not that cheap... ;-)

NPT is used in hydraulics, but not all NPT fittings are rated for high pressure hydraulics. Fittings designed for house plumbing are going to be the worst, and those designed for gas line plumbing will be better, but they still aren't going to be rated for as high of a psi as ones designed specifically for hydraulics.

When I put the Freeman loader on my '73 4000 it needed all new cylinders and lines and didn't have a control valve at all, so I went cheap and bought almost everything from surpluscenter.com. Since I was buying whatever was closest in terms of cylinder bores, lengths and strokes I had to take whatever size and type of hydraulic fittings they came with and use various adapters to get everything to mate up. It has ORB, JIC and NTP connections on it in various spots, but they are all fittings and adapters that were designed for high pressure hydraulics, not for water or gas lines. I was able to get two lift cylinders, a single bucket cylinder, a Prince joystick valve with float and all of the hoses, adapters and fittings I needed for under $500.00. Add in the power beyond plate and I spent under $700.00 for everything, including the loader frame, arms and bucket.

No. Pipe thread looks similar, but seals differently than straight thread (e.g. JIC, ORFS). Pipe thread is not considered professional in a high-pressure hydraulic system, nor reliable for the long term if your goal is no leaks.

(quoted from post at 19:19:28 01/20/15) No. Pipe thread looks similar, but seals differently than straight thread (e.g. JIC, ORFS). Pipe thread is not considered professional in a high-pressure hydraulic system, nor reliable for the long term if your goal is no leaks.

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NPT (National Pipe Thread) is just a different connector style standard, separate from JIC and ORFS, etc. It is used in high pressure hydraulics, just not using fittings that were designed for lower pressure applications. As an example, see the swivel fitting in the link below that is an adapter between JIC and NPT that is rated for 5000 psi.

JIC 4F TO 1/4 NPTF SWIVEL on surpluscenter.com

How many OEMs do you see today using any kind of pipe thread? None of the major respectable ones.

Yes, pipe thread will work in high pressure situations, assembled correctly. But it is NOT considered desirable or professional, IMHO.

JIC uses BSP (British Standard Pipe) threads...

That would be incorrect. The only thing those two have in common is that the thread is not tapered.

My fault, I was thinking of JIS