The document describes a wafer-type non-return (check) valve that is sandwiched between flanges. The valve is equipped with a spring and can be installed in any position. The self-centering valve body ensures accurate installation. It is suitable for liquids, gases, and vapors. The Pressure Equipment Directive (PED) classification should be observed. The document also provides information on the temperature range of the valve disc gasket and the chemical suitability of the valve for different liquids.
This document describes the features of the Duo steam trap BK212 series products from FLOWSERVE GESTRA. These traps have corrosion resistance, can withstand water hammer, and are equipped with an internal strainer and integral non-return valve. They can be installed in any position and provide automatic air-venting.
