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TECO Tube Expanders
TECO TUBE EXPANDERS

The TECO tube expanders company is in tooling for the Heat Transfer Industry. They are makers of the TECO brand of Expanders, Cleaners and Accessories for the manufacturing of boilers, condensers and heat exchangers. They offer support, training and products for this industry since 1968. With a network of distributors and agents worldwide, TECO offers an unchallenged level of service and support.

TECO tube expanders are made from high quality alloy steels and are specially heat treated. The adjustable thrust collar incorporates a thrust bearing which eliminates frictional heating and possible tube end damage and makes these tools suitable for operation with electric or pneumatic power tools. The tube expanders in this catalogue cover the range of tubes from 1/4” O.D. - 20 Gauge to 4 1/2” O.D. - 2-18 Gauge.

TECO provides Special Tube Expanders for any tube size and reach are manufactured to specification. TECO has manufactured for example a special tube expander with 3 1/4” O.D. and 12 feet reach for diesel engines. There are MANDREL EXTENSION AND UNIVERSAL JOINTS that can be supplied as standard or special length with different square sizes. Mandrel extensions can be utilized in situations where there is not sufficient room available to use standard expanders with a drive unit, e.g. in water boxes of condensers etc.

Standard Reversible Thrust/Collar

The models CH-800 and CH-1200 Tube Expanders are equipped with a reversible thrust collar. This is specially designed by TECO. This offers the possibility of using the collar flush or recessed for the front tube sheet. When reversed, the collar is now suitable for the rear tube sheet acting as a flow-collar allowing the tube to be drawn outwards. This eliminates the need to precisely cut the tube to length before expanding.

There are different models of thrust collars, such as:

• recessed thrust collar instead of standard collar (depth of recess to be specified)

• adjustable recess thrust collar to bring the tubes automatically to the right position in relation to the tube sheet; from a flush fitting on the tube sheet to as much as a 3/8”protrusion can be achieved.

• small diameter collars, for the expansion of the outside row of tubes into waterboxes for example.

• for thin gauge tube a special thrust collar can be supplied to prevent the tube from becoming trapped between the rolls and the collar as there is a possibility of thin tube being drawn up inside the collar whilst rolling.

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