Backflow prevention valve class EA. With supervision option. Connections with internal thread 3/4 in. 304550

Backflow prevention valve class EA is a reliable solution for protecting water supply systems from contamination. Designed for use in water supply systems intended for consumption, it ensures safety and hygiene. The design with monitoring capability allows for continuous control of the valve's condition, increasing the reliability of the entire system.

This valve is characterized by solid construction – the body is made of high-quality brass alloy, guaranteeing durability and corrosion resistance. Internal valve components, such as the check valve, are made of POM (polyacetal), and the spring is made of stainless steel, ensuring reliable operation under various conditions. Seals made of EPDM and NBR ensure tightness and long-term operation.

Connections with a 3/4 inch (DN20) internal thread facilitate installation and integration with the existing system. Pressure class PN 10 means that the valve is adapted to work at a maximum operating pressure of 10 bar. The minimum opening pressure of the check valve is 0.5 kPa, and the maximum operating temperature is 90 degrees Celsius.

The valve meets the requirements of EN 13959 standard, confirming its compliance with European safety and quality standards. It is a product of the renowned company CALEFFI POLAND Sp. z o.o., guaranteeing the high quality and reliability of the solutions offered.

• Protection against contamination: effectively protects the water supply system from backflow of contaminated water.
• Monitoring capability: allows continuous control of the valve's condition and quick detection of any problems.
• Durable construction: brass body and components made of high-quality materials ensure long-term operation.
• Compliance with standards: meets the requirements of EN 13959 standard, guaranteeing safety and quality.
• Easy installation: 3/4 inch internal thread connections facilitate integration with the existing system.