Water Flow Isolation & Balancing: 22mm brass lockshield gate valve allows secure shut-off while balancing flow in heating and plumbing systems. 22mm Compression Connections: Standard compression ends provide quick, secure, and leak-free installation. Durable Brass Construction: Solid brass body ensures long-lasting strength, reliability, and corrosion resistance. Lockshield Design: Specifically designed for system balancing, offering precise control over radiator or pipework flow. Hot & Cold Water Compatible: Suitable for domestic applications, managing both hot and cold water systems efficiently., Manufacturer: Xcel Home