gabo Systemtechnik speed•pipe® bundle ground Laying instructions SRV-G und SRV-G tc 26 Requirements for achieving optimum blowing in lengths into speed•pipe® bundles and speed•pipe® ground. Blowing in micro cables / mini cables. • The coil of the micro cable must be easily rotatable. • Make sure that the coil immediately can be retarded in case of an unexpected stop. • Ensure cleanness of the cable. • Clean the speed•pipe® (inside) with a clean cylindrical sponge. • Only use an appropriate blowing in device (e. g. company Vetter). • Use a compressor with strong airflow, with max. pressure of 15 bar (1000 l/m for speed•pipe® up to an internal diameter of 12 mm). • The airflow out of the compressor must be clean, oil-free, dry and cooled down by using a recooler to approx. 8 °C – 10 °C above environmental temperature. • The maximum blowing in speed should be limited to 80 m/min. • Use appropriate lubricants. • According to the common rules the permissible range of the blowing-in temperature amounts from -2 °C to +37 °C. • The utilisation of a „lubricator” for a permanent wetting of the micro cable with lubricants has a positive impact on the blowing in speed and blowing in length. • Mount a cable conduct head on the top of the cable. Lubricant. • Pay attention to the correct dosing according to the manufacturer’s data. • Before blowing in the cable the lubricant must be spread in the speed•pipe® by means of a cylindrical sponge. 10. Blowing in micro cables / mini cables. Source: Company Vetter, Lottstetten, Germany
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