Fittings and Accessories ELBOWS Rocvent manufactures elbow and branch sections to provide a complete ventilation system Elbow sections are manufactured in sizes designed to cover all our tubing diameters and normally provide 15 30 45 60 and 90 degree bends These sections are manufactured with a stronger material to withstand the additional forces present in fittings Elbows are available in sections The number of sections will depend on the angle of the elbow The choice of the number of sections will be determined on the basis of minimum airflow resistance specified and cost consideration Elbows are equipped with an interior coupling ring at both ends or snaproc couplings DAMPERS Rocvent manufactures flexible PVC tube dampers These dampers may be installed after a lateral wye or pantleg wye in order to control the volume of air to be split up into each leg Call your Rocvent representative for further information on the damper andor other accessories Engineered 90 degree Duo Duct Elbox 8000ft Level Kidd Creek ROCVENT INC MINE TUNNEL VENTILATION 20 wwwrocventcom