Z.A. La Chevalerie - 50570 MARIGNY - France Tel.: +33 (0)2 33 56 62 08 - Fax: +33 (0)2 33 56 61 93 E-mail: [email protected] - www.techneau.fr Flow controllers Hydraulic Equipments © 2008 - All rights reserved 15 HydroSurf F l o w c o n t r o l l e r Flow rate 5 -> 170 l/s Maximum water height: 2 m Installation: upstream For light waste water & rain water Manufacture Dn 100 to 350 Models with water intake at the surface RDEA& RDSA • The HydroSurf range is made of hot galvanized steel • 2 floats (factory calibrated) • Water intake with overflow protected by a stainless steel screen (model RDEA) • Straight pipe with lifting ring • Articulation by rotating flange • Plate to be embedded in the concrete with mounting flange • The stainless steel screen is replaced by a diving plate Specific equipment for model RDSA DN 100 200 250 300 350 Lo 4244 4419 4510 4640 4640 La 1301 1818 1956 2036 2131 Lr 3662 3695 3715 3845 3842 Da 599 966 979 979 979 Lf 1064 1314 1514 1614 1714 Tn 150 150 150 150 150 Weight 207 281 368 528 659 Ref. RDE10020A RDE20020A RDE25020A RDE30020A RDE35020A Flow rate From 5 to 15 l/s From 16 to 35 l/s From 36 to 60 l/s From 61 to 110 l/s From 111 to 170 l/s DN 100 200 250 300 350 Lo 4244 4428 4510 4640 4640 Lt 42 148 233 95 80 La 1301 1818 1931 2031 2131 Lr 3662 3695 3715 3845 3842 Da 599 966 979 979 979 Lf 1064 1314 1464 1614 1714 Tn 200 220 300 300 300 Weight 202 271 348 501 629 Ref. RDS10020A RDS20020A RDS25020A RDS30020A RDS35020A Flow rate From 5 to 15 l/s From 16 to 35 l/s From 36 to 60 l/s From 61 to 110 l/s From 111 to 150 l/s Flow controllers

Z.A. La Chevalerie - 50570 MARIGNY - France Tel.: +33 (0)2 33 56 62 08 - Fax: +33 (0)2 33 56 61 93 E-mail: [email protected] - www.techneau.fr Flow controllers Hydraulic Equipments © 2008 - All rights reserved 16 Flow controllers Product selection • The HydroSurf is not recommended for use with heavy waste water. • A flow controller is determined in accordance with the flow rate to be regulated (Q) in l/s, and the maximum water level height (H) in meters. The table below enables a model to be selected according to these criteria: • HydroSurf is generally installed in an open-air basin. A masonry...