Sewer check valve DN 200

Product detailed description

The sewer backflow preventer DN 200 effectively protects rooms located on the lowest floors from flooding caused by rainwater or sewage backflow. Backflow can be caused by heavy rainfall, snow melt or flooding. This backflow preventer shall be mounted horizontally. Advantages and use of the sewer backflow preventer DN 200: made of high quality, corrosion-resistant, durable polypropylene, resistant to negative temperatures and chemicals effectively protects against rodents prevents the release of unpleasant odours careful design high-quality materials used in the manufacturing process interior of the device with smooth and properly profiled surface prevents the accumulation of sediments and ensures unhindered flow of sewage The highest quality flexible materials with increased resistance to weathering and ageing have been used for the production of the seals The use of flood protection devices in low-lying rooms is required by the applicable technical regulations, which buildings must comply with. Properties of the DN 200 sewer backflow preventer: the damper housing as well as all fastening elements (bolts, nuts, washers) are made of chrome-nickel stainless steel the backflow preventer is equipped with a manual closing lever by moving the lever from the OPEN A to the CLOSED B position the backflow of sewage water is completely stopped the total deflection of the damper ensures 100% flow through the pipeline simple and efficient closing mechanism easy assembly self-functioning, requires no external power supply maximum operating temperature 95°C maximum operating pressure 0.5 bar valve has successfully passed the series of tests required by PN-EN 13564 and has been awarded the CE marking Technical drawing: