Propalock: Notes

  • Propalock has been designed to fit adjustable telescopic steel props manufactured to comply with British Standards BS 4074: 1982 and BS EN: 1065:1999.
  • Propalock is fitted to the lower overtube of the steel prop.
  • Once fitted and locked, movement of the collar is not possible, thereby preventing northwards adjustment of movement.
  • The diameter of the lower outer tube is 60mm, the circumference is 189mm.
  • Propalock’s operating diameter range is 64mm when open and 57mm closed.
  • Propalock has 7mm tolerance to accommodate fitting and minor variations in steel prop diameter that may be the result of normal wear and tear, corrosion or build-up of surface finish such as overpainting.
  • Propalock uses an M12/ 1 .5mm fine pitch threaded bolt with unique coded head.
  • Propalock can be manufactured in corporate or company colours, dependent on the quantities ordered.
  • Propalock is designed and manufactured in England.
  • UK Patent no: GB2482581
  • US Patent no: 8,998,159B2

TESTIMONIALS

  • "This locking system is fitted to adjustable telescopic steel props. its purpose is to contribute to the security and management of safe working practices in temporary works/support situations during the execution of construction works and in particular it provides a very reliable and economic method of temporary support at any exact height between its closed and extended positions. This amazing product provides infinitely variable adjustments. Again this system provides safety support in an area of work where sometimes it has been hard to find. Your design should be used in this important area of construction work to provide a better level of safety. It is simple, extremely effective and the team should be really commended for the innovative design."

    The Construction Health & Safety Group Awards 2015
  • "This locking system is fitted to adjustable telescopic steel props. its purpose is to contribute to the security and management of safe working practices in temporary works/support situations during the execution of construction works and in particular it provides a very reliable and economic method of temporary support at any exact height between its closed and extended positions. This amazing product provides infinitely variable adjustments. Again this system provides safety support in an area of work where sometimes it has been hard to find. Your design should be used in this important area of construction work to provide a better level of safety. It is simple, extremely effective and the team should be really commended for the innovative design."

    The Construction Health & Safety Group Awards 2015