New tire inflation restraining devices

Ken-Tool has released a new line of tire inflation restraining devices. The line of 2- to 7-bar devices are tested and certified to address higher 130-psi inflation pressure levels, the company said.

According to Ken-Tool, this new pressure level certification was prompted by the introduction of the 455/55R22.5 load range M truck tire, which is rated up to 130-psi inflation pressure. This tire and wheel configuration are growing in popularity for drive and trailer axles, replacing dual wheel/tire combinations.

The Occupational Safety and Health Administration’s O.S.H.A. Standard No. 29 CFR Part 1910.177 requires that inflation restraining devices contain 150% of a tire’s rated inflation pressure during a failure. To verify the ability of the cage to absorb the energy released during failure, Ken-Tool tested a truck tire on a multi-piece wheel at 195-psi. 

A video of the testing is available on YouTube (

“Ken-Tool is particularly pleased to achieve this new pressure level certification for its U.S.-built tire inflation cages, including those we’ve made in the past,” stated Rock Tyson, Vice President, Sales and Marketing for Ken-Tool.  “This allows all of our customers servicing tires to know that Ken-Tool cages are safe for use with these new tire and wheel combinations.”

TAGS: News
Hide comments


  • Allowed HTML tags: <em> <strong> <blockquote> <br> <p>

Plain text

  • No HTML tags allowed.
  • Web page addresses and e-mail addresses turn into links automatically.
  • Lines and paragraphs break automatically.