Three Roll-Parallel Expanding-Single Flare Roll Type – 1” to 1-3/4” Outer Diameter
The Series 38 Expanders are designed for rolling and flaring in a single operation, provide excellent manoeuvrability and convert to straight-roll expanders. They are suitable for water tube boilers, fire tube boilers, superheaters and economizers. They are made of selected chrome nickel alloy steel and treated in automatic electrically controlled furnaces to help ensure the longest possible service life.