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Available Downloads for Sigma

ANSI B16.3 Class 150
Available in sizes 1/8" x 6"

Malleable Iron Pipe Fittings

Carbon steel schedule 40 welded pipe nipples threaded to spec.  Available in sizes 1 1/2" x 12".  Also available in 18"-72" on long cut pipe nipples.

Welded Steel Nipples

Made of ductile iron with fusion bonded epoxy coated interior and exterior.  Available in sizes 2 2 1/2" to 12".

Fire Protection Products

Want to learn more?  Talk to one of our experts today by calling (800) 733-4781, or complete the form below.