style 501 coupling for sewer
Ductile iron straight, transition and reducing coupling. Color coded interchangeable end rings. Meets AWWA C219.
Manufactured in the USA.
USE Flexibly couples pipe of same or different diameters.
SIZES 4" - 12"
COMPATIBILITY Steel, cast iron, asbestos cement, plastic and other types of pipe.
WORKING PRESSURE Up to 25 psi.
CASTINGS The end rings and center rings are cast from ductile (nodular) iron, meeting or exceeding ASTM A 536.
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 5/8 inch, High strength low alloy steel trackhead bolts. National coarse rolled thread and heavy hex nuts. Steel meets AWWA C111 composition specifications. Stainless steel bolts and nuts available on request.
COATINGS Shop coat applied to cast parts for corrosion protection in transit. Fusion bonded epoxy, liquid epoxy and other coatings available on request.