The RH9521-12 can be used for above ground applications and can be mounted with a custom-made stand or bracket, supplied by others. The trunk line feeds into the centrally located Vortex Filter. • Particles larger than 380 microns are diverted into the storm drain.
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If there are void areas, they must be filled in. Insert the housing of the RH9521-12 into the open elbow through the opening in the stainless steel base plate. It is critical that the vertical pressure of the RH9521-12 housing is absorbed completely by the base plate.
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Connect and divert all downspouts to a 12" trunk line to the vortex filter rainwater inlet of the filter using the standard minimum of 1/8" fall per linear foot.
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35 7/8" (913) Maintenance: The housing of the RH9521-12 is maintenance-free. It consists of non-corrosive plastic. The filter mesh is virtually self-cleaning by the action of water flowing over the vertical mesh. Nevertheless, a thin film will build up on the mesh over a period of time. Usually this does not effect the efficiency of...
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Accessories Extension pipes are available for the installation of the RH9521-12. These raise the inspection opening to ground level. They are fitted onto the final ring, which then acts as an intermediate ring. The extension pipes are fitted with a final ring on one side to provide for the insertion of the manhole cover and make paving around the cover possible.
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Damage in transit Products are carefully checked before shipping, but the risk of damage during transport cannot be guaranteed. • Check the goods for content and damage on receipt. • Any damage is the responsibility of the carrier, register any claim with them immediately.
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