STZ nipples are the way to go when selecting water pipe for your residence. Our durable, schedule 40 galvanized steel is hydrostatically tested. Nipples, fittings and pipe are available in an array of sizes to fit residential and light commercial water applications. • For use with residential potable drinking water applications • Rated at maximum 188 psi at 400°F • Galvanizing on nipples done by hot dip process, according to ASTM A153 • Galvanized nipples are certified to NSF 61 and the lead free law • Hydrostatically tested • Steel construction
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