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Romac - 4" 501 Straight Coupling For PVC Pipe
- Color coded interchangeable end rings
- Flexibly couples pipe of same or different diameters
- Manufactured in the USA
Ductile iron straight coupling. Meets AWWA C219.
Use: Flexibly couples pipe of same or different diameters.
Size: 4"
Compatibility: Steel, cast iron, asbestos cement, plastic and other types of pipe.
Working Pressure: Up to 260 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”, 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.