Web Tension Control & Technology

Over 86,000 tension transducers installed!

Dover Flexo Electronics Inc. (DFE) manufactures, sells and services a complete line of tension measurement, tension display and tension control products for a wide variety of industries worldwide. DFE transducers are the industry standard for direct tension sensing and measurement. We are a recognized leader in tension technology.

Our products are used in unwind, rewind, and intermediate applications for any moving continuous material which undergoes an operation such as printing, coating, laminating, treating, metallizing, rewinding, unwinding, slitting, coating or other processes. Tension measurement and control systems for flexible packaging and paper, film and foil converting are our specialty.


Model C Transducers

Tension Transducers

Dover tension transducers (some people refer to them as 'load cells') measure actual web tension in almost any moving web or filament. Transducers output an accurate, reliable signal to an indicator or controller. All Dover transducers have rugged stainless steel and aluminum construction for reliability and corrosion resistance. Several of our transducer products are not listed in this site. So, if you don't see a transducer that fits your needs exactly, please call or e-mail us. We also manufacture custom transducers to fit almost any tension measurement application.

SteadyWeb5 Controller

Digital Tension Controllers

Set your desired tension and the controller will maintain it. Easy-to-configure DFE controllers automatically compensate for variations in roll diameter, speed, and web material characteristics. Select an output mode for any tension zone.

All controllers offer:

  • Choice of output modes to be used with an electric brake, pneumatic brake or clutch, eddy current clutch or variable speed drive.
  • Large, easy-to-view tension meters.
  • Choice of enclosure styles.
  • Standard emergency stop, auto/manual control modes, bumpless switching and soft start features.
TruTension Indicator

Tension Amplifiers & Indicators

Dover Flexo Electronics offers a wide variety of tension indicators. All models are compatible with any type of DFE transducer and are used to measure actual tension and display it on an analog or digital meter. Additional voltage and current outputs, proportional to tension, can be used to interface with drive systems, controllers, computers, or recorders. These indicators can also be used as a reference to control tension manually. Options are available to customize any indicator to fit special requirements.

pneumatic disc brakes

Pneumatic Disc Brakes

Dover pneumatic brakes are an integral part of a high-performance tension control unwind package. All pneumatic brakes feature a limited travel piston that never scratches the disc, ductile iron disc construction, and expanded disc surface for rapid heat dissipation.

Our asbestos-free friction pads are available in several coefficients of friction. No tools are required to change the friction pads, making brake maintenance quick and "hassle free".

More About Pneumatic Disc Brakes

Aluminum Idler Rolls

Dover Flexo Electronics' precision-machined aluminum idler rollers and tension rollers are manufactured to the highest quality and can be used solo on your press or web machinery or with any stationary shaft, shaft-end tension transducers or UPB transducers including DFE’s Model C, or UPBH and SUPB type transducers.

Custom Solutions

Custom engineered solutions ensure that you get the right system for your application.

Get in touch with us

Dover Flexo Electronics, Inc.
307 Pickering Rd.
Rochester, NH 03867 USA

(603) 332-6150
(603) 332-3758

About DFE

DFE is the natural choice of process and maintenance engineers for upgrading existing machinery with modern, efficient tension control. OEMs and machinery builders choose DFE to incorporate the most reliable, cost-effective tension controls into their machine designs. Consistent quality, product reliability and superior technical support translate into low cost of ownership for all our customers.

Why Dover Flexo?

Fast Delivery5 Year Tension Free Warranty
Top Quality AssuranceDesigned and Made in the USA