WEBSIGMA offers the widest selection of fittings on the market today, with sizes from 2 to 64 inch, and a broad assortment of coatings and linings. Our quality assurance protocols exceed industry standards with rigorous hydrotesting and heat codes for 100% traceability. Click here for Price Lists.
WEBSIGMA Z-COAT provides unparalleled galvanic protection to ductile iron in corrosive environments. In the SIGMA Z-COAT process, the zinc coating is applied by spraying zinc-rich paint onto the surface. It complies with ISO 8179-2 specs. READ MORE.
WEBSIGMA offers a complete line of products for fabricators, including threaded flanges for ductile iron, MJ threaded bells, cast iron filler flanges, anchor flanges, and wall collars.
WEBPROTECTO 401 Ceramic Epoxy Lining was designed specifically for protection of ductile iron for sanitary sewer service by providing reliability similar to cement mortar lining in drinking water service but having the excellent chemical resistance of epoxy for septic sewer service. Benefits:
WEBANSI/AWWA C153/A21.53 for Compact Ductile Iron Fitings 2”-64” for water and other liquids. Per ANSI/AWWA C600 and C111 using DIP conforming to C150/C151 and PVC pipe conforming to C900/C905. Certified to ANSI/NSF 61. September 2015 SIGMA Corporation. www.sigmaco.com.
WEBWe offer the highest quality ductile iron waterworks fittings, pipe restraint products, and municipal construction casting products available on the market today.
WEB• ANSI/AWWA C153/A21.53 for Compact Ductile Iron Fittings 2”-64” for water and other liquids. INSTALLATION: • Per ANSI/AWWA C600 and C111 using DIP conforming to C150/C151 and PVC pipe conforming to C900/C905.
WEBDuctile Iron Threaded Fittings ALL DUCTILE IRONS MANUFACTURED FOR AND BY SIGMA PIPING PRODUCTS CONFORM TO, COMPLY WITH, AND ARE MANUFACTURED TO THE FOLLOWING STANDARDS:
WEBMJ x MJ Connector and Spacers manufactured from high strength ductile iron in accordance with ASTM A536 Grade 65-45-12. All fittings are heat coded to ensure traceability and verification of metallurgical properties in accordance with the prevailing standards and SIGMA Quality Management Standards.
WEBC110 DUCTILE IRON PUSH-ON FITTINGS BASIC SPECIFICATIONS. Ductile Iron ASTM A536, Grade 65-45-12, 60-42-10 or 70-50-05. In accordance with UL - FM requirements. All fitings are hydrostatically tested in accordance with SIGMA Quality Management Standard.