The agency's March 13 order gives owners 60 days to replace any 3-inch McKenzie UNNR ball valve in a tank car used to transport any hazardous material described in 49 CFR 172.101 and 90 days to ...

Additionally, the 3-inch ball valve, when not properly configured, is leading to tank cars leaking small quantities of hazardous materials.” The Directive “requires all tank car owners to remove, ...

Muc-Off adds 60, 70, and 80 mm long versions of its patent-pending Big Bore Lite Tubeless Valves for deeper road and gravel wheels.