Hellermanntyton light weight non metallic conduits hg lw range hellermann tyton 166 11204 the hellermanntyton helaguard 166 11204 hg lw21 is a lightweight non metallic conduit from the hg lw range the conduit is highly flexible and has a small bending radius ideal for applications in machine building plant construction control panels and public buildings wherever lower mechanical protection is required the conduit can also be used in moving applications hellermanntyton 166 11204 hg lw