Robust flood protection for
sewers and ancillary structures

HydroFlap
Float-controlled Flap Valves, Type A
DN 100 up to DN 400

• con­trols max. water lev­el in pump sumps
• enables con­stant pump feed by lim­it­ing water head
• suit­able for flood pro­tec­tion operations
• man­u­fac­tured with stain­less steel: mate­r­i­al 1.4301 (V2A), 1.4571 (V4A) on request
• bear­ings brass/zinc alloy 
• robust con­struc­tion for fixing
• con­t­a­m­i­na­tion resistance
• remov­able float
• adjustable clos­ing position
• option­al: flange with con­nect­ing dimen­sions acc. to DIN 2501
• com­plete with seal­ing mate­r­i­al and stain­less-steel fixings

HydroFlap
Float-controlled Flap Valves, Type B
from DN 400, see also Type A

• con­trols max. water level
• enables con­stant pump feed by lim­it­ing water head
• suit­able for flood pro­tec­tion operations
• man­u­fac­tured with stain­less steel: mate­r­i­al 1.4301 (V2A), 1.4571 (V4A) on request
• robust con­struc­tion for fixing
• con­t­a­m­i­na­tion resistance
• hous­ing adjustable by means of a tappet
• eas­i­ly replace­able rub­ber seal
• remov­able float, usable right or left
• three stan­dard fac­to­ry set­tings for opening/closing positions
• flange options: wall or DIN acc. to DIN 2501
• com­plete with seal­ing mate­r­i­al and stain­less-steel fixings