Auer Steel
Mueller
Part #1/2 BU
MFG #521-703
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Part #1/2 BU
1/2in Union Black
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- Brand: Mueller
- Mueller boasts an extensive line of black and galvanized malleable iron fittings and steel nipples. Galvanized items are coated for water applications and meet low lead requirements. Fittings are offered from 1/8 - 6 in Dia. Each fitting has the Mueller brand cast into the body, a sign of assured 100 percent quality inspection and testing.
Black Iron Fittings
Unions
- Mueller Pipe Union, Series: 521, Fitting/Connector Type: Union, 1/2 in Nominal, NPT, 150 lb, 300 psi, Malleable Iron, Black Oxide, -20 to 150 deg F