Hellermanntyton galvanised steel conduit pvc cover lts series hellermann tyton 166 31901 the hellermanntyton 166 31909 lts12 is a steel conduit with a liquid tight covering from the lts range the conduit has been manufactured from galvanised steel and covered with pvc polyvinylchloride the conduit fulfils ip66 ip67 and ip68 when fitted with lts fittingsapplications include machine tools or outdoor installations and wherever liquid tight ip68 is a requirement hellermann tyton 166 3