• Recommended for chemically aggressive wastewater
• High resistance to acids (in various concentrations), detergents, salts and petroleum compounds
• The tray part can be protected by a fiberglass tab
• The tab is monolithic in the bottom
• Diameters from DN 1000 to DN 3200 mm
• Wide range of heights
• Meets the standards of DSTU EN 1917: 2019
• Monolithic sealing couplings for concrete pipes Tf ig, Tf, Ts M, PVC, scorplastic, VCHSHG or ceramic
• Available in high-strength version with load class up to F900
• Equipped with professional transport anchors to facilitate lifting and installation
• Entrance angles are standard: 90°, 140°, 180°, 220°, 270°, possible – from 90° to 270° in 10° increments. The exit angle is 0°

The protective shell is made of low-pressure polyethylene (PNT) according to GOST 16338-85, designed to ensure durability (not less than 50 years) and waterproofing of sewer tray bottoms and pipes during operation in conditions of highly aggressive medium to concrete (reinforced concrete). PNT is resistant to concentrated hydrochloric, carboxylic and fusible acids, oils, fats, alkalis, salt solutions, resistant to gasoline, low temperatures, ductile and has good impact resistance.