style 511
Lightweight ductile iron coupling. Meets AWWA C219.
Manufactured in the USA.
USE Flexibly couple pipes of the same or different diameters.
SIZES 1/2" - 12"
COMPATIBILITY Steel, copper and PVC pipe.
WORKING PRESSURE Up to 200 psi. For higher pressure ratings, consult your representative.
NSF61 certified upon request.
MATERIALS
CASTINGS 1/2" through 2 1/2" 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" through 12" Sizes: The end rings and center rings are cast from ductile (nodular) iron meeting or exceeding ASTM A 536, Grade 65-45-12.
GASKETS Gaskets are made from virgin Styrene Butadiene Rubber (SBR) compounded for water and sewer service in accordance with ASTM D 2000 MBA 710. Other compounds available for petroleum, chemical, or high temperature service.
BOLTS AND NUTS 1/2" through 8" Sizes: Galvanized mild steel, National Coarse rolled thread and heavy hex nuts. 10" and 12" Sizes: High strength low alloy steel trackhead bolts. National Coarse rolled thread and heavy hex nuts. Steel meets AWWA C111 composition specifications.
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. Follow installation instructions prior to backfill or encasement.
