EKA Plumbing Pune

Standpipe Filter Collector Stfs

  • Standpipe with integrated rainwater filter
  • Made of stainless steel
  • For roof areas of 200 m² or 2,153 ft² (temperate climate zone)
  • Low maintenance, automatic dirt removal

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FILTER COLLECTOR AS A STANDPIPE

WISY can supply the standpipe filter collector as a replacement for the standard cast iron section at the base of each rainwater downpipe. With this version, the filter collector is designed to look like a downpipe. The filtered water outlet is below ground level. The generous dimensions of this version increase its collection capacity so that it is capable of draining projected roof areas of up to 200 m² (2,153 sq.ft.) in size.

The Standpipe Filter Collectors are frost-proof and corrosion-resistant. Stainless-steel filters can be installed in downpipes made of zinc, copper or plastic without risk of galvanic action. The filters are available to fit various sizes of commercially available rainwater downpipe.

FILTERING CAPACITY

The maximum flow rate through the filter collector is 4.2 litres per second (depending on the capacity of the downpipe). As with all WISY filters, the cross-sectional area for rainwater flow does not change at any point inside the filter, i.e. to ensure the free flow of water, the cross section is not restricted at any point. There is no risk of blockage even during torrential rainfall events which may flush large quantities of debris into the filter. The filter collector meets the requirements defined by EN 12056 / EN 752 and also conforms to DIN 1989. The hydraulic efficiency of the filter is excellent. With an inflow rate of 2 litres per second, for example, 90 % of the inflowing water is harvested as filtered water.

OPERATING PRINCIPLE AND APPLICATIONS

The filter collector is installed in the vertical rainwater downpipe. It filters the runoff rainwater from the roof before discharging the filtered water through the outlet connection to the storage tank. Its filter insert is made of a fine stainless-steel mesh with a mesh size of only 0.28 mm. Leaves, moss and other debris entrained in the rainwater are reliably filtered out and flushed away through the downpipe to the soakaway or drain.

Rainwater cleansed by this filter is in a perfect condition for tank storage and for subsequent use in the washing machine or for flushing toilets and general household cleaning. The filter insert is optionally available with the larger mesh size 0.44 mm.

EASY TO MAINTAIN — LOW-MAINTENANCE DESIGN

All WISY filter inserts are designed for very low maintenance. It is virtually impossible for debris or dirt to stick to their smooth, stainless-steel surface. As a result, the filter inserts have a long service life.

Since the filter insert is above ground level, it is easily accessible and protected against backflow in the sewer system. When necessary, the insert can be removed from the housing in just a few simple steps for cleaning by a high-pressure cleaner or in the dishwasher.

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