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Brass Horizontal Check Valve 4000 Series – Product Overview The Brass Horizontal Check Valve 4000 Series is a non-return (NRV) valve designed to allow fluid flow in one direction and automatically prevent backflow in pipelines. It is specially designed for horizontal installation, making it ideal for water, air, oil, and gas systems. Manufactured from high-quality forged brass, this valve ensures durability, corrosion resistance, and long service life in industrial and plumbing applications. Material: Forged brass body for high strength Model Series: 4000 (Horizontal Check Valve / NRV) Design Type: Swing / lift type (horizontal installation) Connection Type: Female threaded (BSP / NPT) Automatic Operation: No manual control required Corrosion Resistant: Suitable for harsh environments Leak-Proof Performance: Precisely machined seating
