Triveni Engineering & Industries Ltd offers Double Guard Bar Screen. Triveni Engineering & Industries Ltd is ISO 9000-2000 and ISO 14001 certified. The Double Guard Bar Screens have double rack so offset and spaced that as the wastewater flows from upstream to downstream across the rack, it flows first through the wider bar spacing and then to the finer bar spacing of up to 6 mm. In view of the fabrication limitations, these Double Guard Bar Screens are available up to 3 to 4` width.