KNIFE VALVES
High performance in harsh environments
AsProFlex Series Duckbill Check Valves 700 are specially designed for sewage treatment plants, outfalls and operations related to tides or subject to level variation downstream. They offer aeconomical solution to control back pressures and work completely autonomously, without the need for maintenance, external power or manual intervention for its operation.
These valves are recommended as direct replacements for traditional check valves that have problems such as oxidation, unwanted blockages or obstructions. ProFlex Series Rubber Duckbill Check Valves 700 are capable of handling solid debris without losing their retention capacity.
With solid and robust construction, they are made from different types of elastomers, the standard version being Natural Rubber with Neoprene cover, connections: flanged or fixed by clamps and diameters from 1” to 96”.
sewage sludge;
Outfalls to coastal areas during heavy rains;
Soil erosion due to backflow conditions;
Saltwater invasion into freshwater ponds.
Types
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Thermodynamic trap with universal connector
Duckbill Check Valve 731
These valves are designed to slide easily over an existing pipe and are secured with heavy-duty stainless steel clamps.. They can be installed in vertical or horizontal applications. The model 731 was developed specifically for situations where the pipe outlet is close to the bottom of the manhole or outfall.
Check Valve 790
With a unibody design, the model 790 It is one of the valves that offers the lowest pressure loss available on the market. It is a passive flow device that ensures the absence of delamination.
