Telephone: 01325 462722
Contact | Location | News

Electromechanical Detectors Refurbishment


Due to the method of operation of the treadle switch wear is inevitable. To enable the unit to provide an extended life and maintain its high reliability Henry Williams Limited provide a refurbishment service replacing all wearing components with new.

The servicing procedure, in general terms, includes stripping down, cleaning, painting, re-assembling and testing of units.


The following parts are replaced or provided at every service:-

  • Top Cover Gasket
  • Arm Assembly c/w Shock Absorbers
  • Coupling Shaft Assembly
  • Assorted Screws and Fixings
  • Protective Packaging
  • Cable Glands (pair)
  • One Tin (500ml) Treadle Oil

In addition treadles coming in for repair, which are not configured to the new twin gland entry can be upgraded to the new specification, upon request.

All units will be returned complete with a Certificate of Conformity.


Henry Williams Limited

Dodsworth Street
County Durham

Email: Please use form opposite.
Tel: 01325 462722
Fax: 01325 245220

To view our location click here

About Henry Williams

The story of Henry Williams Limited goes back to 1883, when the company was formed to manufacture control and signalling equipment for the rapidly expanding railways network. Since those historic and pioneering days, our skills have broadened, our technology has advanced with the time and our sphere of influence has widened more

This website uses cookies
We use cookies to personalise content, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media and analytics partners who may combine it with other information that you’ve provided to them or that they’ve collected from your use of their services.
If you want to know more about the cookies in use on this website before choosing please read our Privacy Policy.