These are fixed rolling length special purpose tools which may be power or hand-driven. They are self-feeding parallel-rolling type.
When ordering please give precise details of vessel in which the expander is to be used, quoting size and length of tube, distance over tube plates, tube plate thickness and any tube projection details. Ideally a drawing should be provided.
CBTE - non parallel self feeding boiler tube expanders from ½” to 4”. Suitable for
new erection or repair work that have thin tube sheet or just touch up a leaky
joints. Recommended for tube sheets from 1/8” to 5/8” (3 mm to 16 mm)
STEP-BY-STEP expander are an excellent tool for fast tube rolling in thick tube sheets, from 6” to 24”. The Expanders have grooves spaced at 1” (25,4 mm) increments along the cage of the tool, which allows the spring loaded thrust collar, to quickly and efficiently travel along the complete length of the tool. Significant time savings are achieved with this fast step rolling throughout the full width of the tube sheet.
PSE expanders are designed to true up the ends of pipe and also to enlarge pipe inside diameters to a specific size in order to create the correct clearance between the pipe OD and ID prior to brazing or silver soldering. The Threaded mandrel allows fast and accurate sizing of the pipe end. Available up to 8” OD.
Special tube expander for rolling the injector sleeves into the heads of diesel engines .
The expanders are made to order for each application , and details drawings of injector sleeve and engine head have to be supplied with the order to insure the proper expander design.
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Special Tube Expanders :: 1200 C/D/E/F/G Series Condenser
