Malleable Iron Threaded Fittings
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All Malleable Iron Fittings are manufactured to the following standards:
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•UL Listed, FM Approved
•ASTM A 197 Standard Spec for Cupola Malleable Iron
•ASTM A 153 Standard Spec for Zinc Coating (Hot Dip) on Iron and Steel
•ASTM B 16.3 Malleable Iron Threaded Fittings Class 150
•ASTM B 16.39 Malleable Iron Threaded Union Class 150
•ANSI/ASME Pipe Threads, General Purpose (NPT)
