This center brand Angled Automatic Bypass Valve is a high-quality brass valve with a maximum working pressure of 10 bar. It has a diameter of 0.87 inches (22.1 mm) and is suitable for use in a c/heating system. The valve is designed with a center brand and has a matt finish. The bypass valve has two outlets and weighs 8 oz (226.8 g). It is made in the United Kingdom . The valve is sold as a unit and is perfect for those looking for a reliable and durable valve for their plumbing needs.