1.9" x 1.9" x 5" Ductile Iron Style 511 Series Lightweight Coupling | ROM511190X190X5

Key Features

• USE flexibly couple pipes of the same or different diameters
• Castings 1/2 through 2 1/2 in. sizes: center rings are manufactured from steel meeting ASTM A-120
• The end rings are cast from ductile (nodular) iron meeting or exceeding ASTM A 536, Grade 65-45-12. 3 in. through 12 in. Sizes
• Gaskets are made from virgin styrene butadiene rubber (SBR) compounded for water and sewer service in accordance with ASTM D 2000 MBA 710
• Bolts and nuts 1/2 through 8 in. sizes: galvanized mild steel, national coarse rolled thread and heavy hex nuts, 10 and 12 in. sizes: high strength low alloy steel trackhead bolts, national coarse rolled thread and heavy hex nuts, steel meets AWWA C111 co
• Coatings shop coat applied to cast parts for corrosion protection in transit. Fusion bonded epoxy, liquid epoxy and other coatings available on request
• Installation conditions the coupling installation may be backfilled and buried. The coupling may be encased in concrete