SIGMA offers the widest selection of fittings on the market today. Our quality assurance protocols exceed industry standards; we require that every single fitting be hydro-tested before it leaves the factory. Our fittings all have alpha-numeric heat codes which provide 100% traceability. This is SIGMA’s way of making sure that ours are the safest and most reliable fittings that money can buy.
C110 Ductile Iron Flange Fittings
C110 Ductile Iron Mechanical Joint Fittings
C110 Ductile Iron Push-On Fittings
C153 Ductile Iron Mechanical Joint Fittings
C153 Ductile Iron Push-On Fittings