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UL FM Ductile iron casting grooved pipe fittings female grooved tee

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UL/FM Ductile Cast iron grooved fittings thread reduce tee

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UL FM CE approval ductile iron grooved pipe fittings elbow/equal/cross/reducing cross

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FM/UL Approved Ductile Iron Grooved Equal reducing Cross

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Casting process high pressure ductile iron grooved reducing cross

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