Non-return valve with anti-pollution flange type EA453 DN65 149B3832

Check valve with anti-pollution flange from the EA series is a reliable solution for protecting installations against backflow and contamination. Model EA453, size DN65, combines a solid construction with functionality, ensuring safe and efficient system operation. This is particularly important in installations where high hygiene and protection against medium contamination are required.

Construction and materials

The valve is designed for durability and corrosion resistance. The body is made of ductile iron, guaranteeing mechanical strength and pressure resistance. The closing assembly, consisting of DZR brass and stainless steel, ensures tightness and long life. EPDM seals further protect against leaks and provide reliable operation over a wide temperature range. The flanges are drilled according to PN10/PN16 standards, which facilitates installation and integration with existing infrastructure.

Application and functionality

The EA453 valve is used in water supply, heating and industrial systems where protection against backflow of medium is required. Its construction allows for installation in any position, providing great flexibility during installation. An additional advantage is the inspection port for checking the closure tightness without the need to disassemble the valve – this facilitates maintenance and allows for quick identification of potential problems. The drain plug allows easy emptying of the valve from water, which is useful during servicing or system maintenance.

Standards and operating parameters

The valve meets the requirements of PN-EN 13959 and the Pressure Equipment Directive PED 97/23/CE, confirming its safety and compliance with European standards. The maximum working pressure for water is 10 bar (for diameters above DN150), and the operating temperature is in the range of -10°C to +100°C. This allows the valve to be used in various environmental and operational conditions. Manufacturing in accordance with PN-EN 1092-2 (flange drilling) and PN-EN 558-1 series 48 (installation length) ensures compatibility with other installation elements.