Official Press Release: The New S4 Digital Tension Controller


Visit the S4 Product Page for Additional Information

Gorham, Maine— The Montalvo Corporation, international specialists in industrial web control systems, have just introduced their new S4 Digital Tension Controller.

President Ed Montalvo says, “Besides being extremely easy to install, set up, and operate, the advanced technology in the S4 ensures uniform tension control regardless of roll diameter by using advanced algorithms and proven technology. It offers precise, accurate, and consistent control in a compact modular unit.”

S4 Digital Tension Controller

S4 Digital Tension Controller

Features include:

  • set it and forget it technology
  • use as either unwind or rewind controller
  • minimal operator interaction
  • no variations in productivity from shift to shift
  • up to 15 settings for different materials; fast and easy recall
  • soft start
  • anti-coast feature
  • maintains tension for ease of splicing
  • web break detection
  • remote adjustment of tension setpoints
  • remote “off” and “on”
  • panel or surface mount
  • Tag reader instant access to instruction manual using a smart phone

Montalvo specialists can assist with system evaluation, installation and setup of this equipment on customers’ machines.

The Montalvo Corporation specializes in the analyzing, upgrading and servicing of customer’s web tension control equipment. For more than 60 years, Montalvo has manufactured, integrated and serviced a wide range of web control products and systems for the converting, paper, foil, nonwovens, and plastic film industries as well as packaging, medical and high-tech applications. Montalvo products include electronic tension control devices, load cells, indicators, brakes, clutches, and safety chucks. Montalvo manufactures in the United States, and sells worldwide.

Montalvo has completed successful upgrades for customers on narrow web presses, printing presses, corrugators, laminators, coaters, slitters, sheeters, filmers, extruders, waxers, die cutters, and embossers..

For more information contact The Montalvo Corporation at 50 Hutcherson Drive, Gorham, Maine, USA, 04038; telephone 1-800-226-8710 or (207) 856-2501; fax 1-800-644-5097 or (207) 856-2509;; e-mail:

Montalvo may be contacted in Europe by calling or writing to Helge Birkwald, Jeppe Aakjærs Vej 18, DK-8700 Horsens, Denmark; phone: +45 75 57 27 11

Montalvo also has offices in China. Montalvo (Shanghai) Trading Co., Ltd. is located at Room 805, Forte Time Plaza, No. 898, QuYang Road, HongKou District, Shanghai, China, 200437. Tel: +86-21-61401822, Fax: +86-21-61401821.

50 Hutcherson Dr., Gorham, ME 04038 USA/Tel: 207-856-2501/
Fax: 207-856-2509/e-mail: