Re: Galvanized-no. Black iron-no

Posted by Gerald J. on August 25, 2004 at 09:15:24 from (67.0.109.238):

In Reply to: Re: proper hydraulic.......follow-up posted by dave-o on August 25, 2004 at 08:40:21:

Hydraulic fittings are never galvanized or black iron. Nor hydraulic pipe which is uncommon.

I'd replace everything that can ever have pressure in it that is not hydraulic hose or hydraulic fittings. I KNOW 8N were often plumbed with plain old water pipe. I had one plumbed that way. I have a MF loader that had 125 PSI street elbows on the cylinder ports of the valve (saved 6" on the length of each hose)

I've seen black iron elbows fail at 75 PSI water or 12 inches natural gas pressure. Probably from the forces of the tapered threads. I won't ride any where near any with 1500 or more psi hydraulic oil.

Gerald J.

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