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What fittings to use Schedule 40, 80, Brass, or Stainless

S

sparkey

Active member
I am building a new pump stand for my automatic wash and noticed that most of the fittings on the old stand are brass schedule 40 fittings rated at what appears to be 150 PSI. I was a bit surprised being I run the pressure at close to 1500 PSI. What kind of pipe fittings do you guys have on your pump stand? If you had a perference would you use brass or stainless for the high pressure portion of the pump stand? I also looked at my self serve pump stand and fittings on it are the brass bar stock type fittings which I believe I saw in the dultmeier catalog rated for 300 psi which is also odd being I run it at 1200 PSI. I am tempted to build the automatic pump stand out of schedule 80 stainless fittings. Is this overkill?
 
It's not overkill to use stainless if you don't want to worry about fittings failing from chemicals or erosion from water flow.
 
Are you sure that sch40 brass is rated for only 150? That just doesn't seem right. Heck, sch 40 pvc is rated for that much.
 
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