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Nylon Fittings 
Dwyer Instruments Offers A Wide Variety Of Nylon Fittings. Nylon Fittings Are Generally Acceptable For Use At Working Pressures Up To 150 Psi At Normal Room Temperatures, And At Very Low Pressures, Temperatures Can Approach 175°F.
Stainless Steel Fittings 
Our Stainless Steel Fittings And Pipe Nipples Are Made From 304 Or 316 SS And Are Rated At 150 Psi.