The Stopcock MDPE Poly Brass VSP (25mm) is an essential utility control valve designed to provide a secure inline shut-off point for a 25mm MDPE (Medium Density Polyethylene) underground water supply pipe. Ideal for domestic boundary boxes, main water entry points, and external service trenches, this valve allows installers and homeowners to reliably isolate the primary water supply to a property when required for maintenance, repairs, emergency shutdowns, or seasonal property drain-downs.
 
Manufactured from high-grade, corrosion-resistant brass with robust compression and grip-ring mechanisms, the fitting complies with relevant water supply industry regulations (such as WRAS-approved specifications). It features secure compression connections on both ends specifically sized for 25mm MDPE pipe, complete with internal plastic pipe liners to prevent the polyethylene tube from collapsing under compression pressure, ensuring a watertight, high-pressure seal without the need for specialized welding.
 
Engineered for durability and ease of operation by professional plumbers and certified utility installers, the stopcock incorporates a smooth-turning manual handle or a secure spindle operated via a surface box key. Whether you are installing a new direct mains supply to a building, replacing an aging external boundary valve, or upgrading a main utility intake system, this trade-quality brass stopcock delivers dependable flow control, excellent longevity, and complete regulatory compliance.