Durable Construction: Crafted from high-quality brass, our 3/4 inch NPT female thread spring check valve offers corrosion resistance and robustness for long-lasting performance in various plumbing applications, ensuring reliability in demanding conditions. Optimal Sealing and Pressure Tolerance: Featuring NPT taper threads for enhanced sealing capabilities, this vertical or horizontal check valve can effectively handle pressures up to 14 bar (200 psi) and temperatures ranging from -10℃ to +120℃ (14℉ to 248℉). One-Way Flow Control: Equipped with a reliable stainless steel spring, the valve ensures fluid flows in the designated direction, thus preventing inconvenient and potentially damaging backflow, suitable for both vertical and horizontal installation setups. Versatile Use Scenarios: Ideal for a variety of setups including wells, water purifiers, pumps, solar energy systems, and gas water heaters, our brass spring check valve assures efficient and secure fluid control across multiple contexts. The actual product may have slight color difference or difference, which will not affect the use Colour:Gold Material:brass Size:3/4 inch / 1 inch Package Contents: 2x pump check valve 1x Raw tape(random color, don't accept the specified color) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.