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SIGMA Fittings

Quality - Service - Commitment - Delivered.

SIGMA 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.

3D rendering of a black, industrial elbow pipe fitting with mounting flanges on both ends, marked with technical specifications and an arrow indicating flow direction.

C153 MJ Fittings

Black industrial pipe fitting with flanged ends against a gray background.

C110 MJ Fittings

A black industrial check valve with flanged ends, labeled "AWIA C110 D I 250 PSI".

C110 Flange Fittings

Black plastic pipe connector with 90-degree bend and threaded ends.

C110 Push-On Fittings

Black 90-degree pipe elbow fitting with threaded ends and engraved specifications.

C153 Push-On Fittings

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