Brass vs Steel air line connectors

JMN

JMN

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I see both in the store, and have both in the lab.

But is there any difference to us?

Why brass or Why steel?

Should we do brass and plastic only for rust concerns?
Would brass or steel 'tainted' air be a problem over time for foulding of press furnaces?

Is there any real world difference at all unless you're running a huge system at a 500+ cfm?

Aside from dinging up brass easier?
 
bigj1972

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I would say brass for the rust concern. They also last a little longer, but the washers inside usually is what wear out. Learn hot to change them, or just replace when they start leaking. As a side, on my real equipment, I don't use connects to avoid leak\wear problems.
 
doug

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Brass connectors are now lead free so if you're looking for that extra bit of clean air, there's that. Brass also deforms slightly to ensure a good seal. Steel needs to have the teflon tape to help the seal.
 
sidesh0wb0b

sidesh0wb0b

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brass compression fittings is all i use. zero issues.
 

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