صمام عدم الرجوع ov20/dn20 De Dietrich 7880541

The non-return valve ov20/dn20 is a compact check valve designed for pipe systems with a nominal diameter of 20 mm. It allows fluid or gas to flow in one direction only, preventing reverse flow that could damage equipment. This valve is a reliable choice for heating and burner applications requiring dependable backflow prevention.