The R+M 51840 is a genuine brass coupling designed for high-pressure cleaning systems. It features an IG 3/8 internal thread, making it suitable for various connections in industrial cleaning environments. This durable coupling is engineered to withstand a maximum operating pressure of 280 bar (28 MPa) and high temperatures up to 150 °C, ensuring reliable performance. It supports a maximum flow rate of 40 liters per minute, providing efficient operation in demanding applications.