What are some of the most common applications for Ductile Iron Pipe fittings?
Potable Water: This is by far the most common application for Ductile Iron Fittings. Because of its reliability and durability, it is the ideal choice for the transmission and distribution of potable water. All products coming in contact with potable water comply with the requirements of the National Sanitation Foundation (NSF). Fire Protection: It is recommended that all fittings used in lines that could be a part of a Fire Protection System be approved by both Underwriters Laboratories (UL) and Factory Mutual (FM). SIGMA fittings has the widest range of fittings approved by both these agencies. Wastewater SIGMA Ductile Iron fittings are ideally suited for wastewater systems. It is recommended that the coatings on fittings used in sewer system be specified after consideration of the type of service.
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