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The Vernon Tube Expanding System

Model H System, our hydraulic tube expanding system (Adobe pdf)

Vernon Tube Expanding Equipment

Machine Features of the system  

Available Options

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System Advantages

Also known as the Model H System, our hydraulic tube expanding system includes the
following important advantages:

Increased Production
Vernon's hydraulic tube rolling system creates a quality leak-proof joint in three to five
seconds -- 1/4/ the time of competitive machines. Continuous mandrel rotation, coupled
with automatic axial movement, eliminates time lost by other systems that reverse
mandrel rotation for traction. Even under load, the hydraulic system maintains constant
RPM, delivering equal pressure to the rolls for a tight fit between tube and tube sheet.

Controlled Tube Joints
Precision tube expansion is ensured thanks to Vernon's "preset" design. Control of
advancing force, rate of feed and torque on the mandrel are automatic, minimizing tube
end and tube sheet distortion while producing a leak-proof joint. Precise control of
advancing force.

Ease of Operation
Press the cycle switch and the mandrel automatically advances in the expander, expands
the tube end and retracts for the next cycle. This saves time and reduces operator fatigue.

Longer Tool Life
Automatic tool lubrication, single direction rotation and greater roll-to-mandrel contact
combine to increase tool life and reduce consumable costs.

Easy Maintenance
Durable, heavy duty construction ensures long, reliable life. A large oil tank and external
filter provide cooler running hydraulics and easy filter replacement.


tube expansion for heat expanders and condensers
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