Check valve with anti-pollution protection, internal thread type EA291NF 1/2 inch 149B2220

Non-return valve with pollution protection is an element of the installation that protects against backflow of the medium, thereby protecting the installation and devices from contamination and potential damage. Model EA291NF, made of brass with a sealing unit made of POM (polyacetal) and an NBR (nitrile) gasket, is designed for use with clean liquids and gases. Its construction allows for installation in any position, which significantly facilitates installation in various conditions.

This valve is distinguished by the presence of two control ports with caps – a practical solution allowing for easy checking of the valve closure tightness without the need for disassembly. Additionally, the valve has a port for draining the installation riser, which facilitates maintenance and