SIGMA offers a dedicated and fully staffed Treatment Plant Division. The Treatment Plant Group is ready to assist with specification needs, project- based quotations, and any other plant related services required by our customers.
General Treatment Plant Products Information
Download All Files (.zip) includes catalogs and price listsLinings And Coatings
SIGMA offers a wide selection of exterior coatings for our fittings. We provide Fusion Bonded Epoxy, Wasser Ferro-Clad Primer, Various Tnemec coatings, as well as bare and standard asphaltic coatings. SIGMA fittings may be lined with: Protecto 401; Fusion Bonded Epoxy; double cement; or bare.
Flanged Fittings
SIGMA offers the widest selection of flanged fittings on the market today. Flanged fittings are available in sizes 2 through 54 inches in all configurations, and can be lined and coated to customers’ specifications.
SIGMAFLANGE Adaptor (SFA)
The SFA is designed to connect plain-end ductile iron and PVC pressure pipe to flanged ends. It accommodates for pipe misalignment and can act as a dismantling joint for service and maintenance requirements.