The Straight Isolation Valve Full Bore Heavy Pattern – Chrome-Plated – 15 mm is a robust, high-performance shut-off valve engineered for the most demanding plumbing applications. Crafted from durable brass with a polished chrome finish, the valve combines strength and corrosion resistance while maintaining a sleek, professional appearance. Its full-bore design provides unrestricted flow when open, reducing pressure drops and enhancing system efficiency—ideal for both permanent installations and routine maintenance shut-offs. Rated to withstand high operating pressures, this heavy-pattern valve features compression fittings on 15 mm piping for a secure, leak-free connection without the need for soldering. The smooth-operating internal mechanism, typically operated via a screwdriver slot or lever handle, delivers reliable, drip-tight shut-off over thousands of cycles.