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Installation of RFS FLEXWELLÂŽ waveguides
• Waveguide laying - Pulling the waveguide in horizontal hollow tubes The diameter of the hollow tube (or underground cable duct) shall be at least twice the waveguide diameter (e.g. min. 100mm for E 70). The bending radii for tubes installation shall be at least twice the minimum bending radius (for multiple bending) of the respective waveguide (see data sheet). Inter- connections of several tubes must not damage the cable during pulling/pushing the cable. - Avoid any risk of blocking. Avoid sharp edges during pulling the waveguide. Pulling of waveguide can be supported by an additional layer of grease on the waveguide jacket.
P1-44
If the waveguide will be pulled with a winch, we recommend to use a measuring device to make sure the max. tensile force (see data sheet) will not be exceeded. RFS /HSR/ ah / 2003-4