D11577 | INLET CHECK VALVE | Armstrong International

**Reliable and Efficient Inlet Check Valve: Armstrong International D11577** The Armstrong International D11577 is a high-performance inlet check valve designed to provide reliable backflow prevention in industrial applications. This valve features superior construction with durable materials to ensure long-lasting operation and minimal maintenance. **Key Features:** * Prevents reverse flow of liquids, protecting downstream components and systems * Spring-loaded, self-closing design for automatic operation * Rugged cast iron body and bonnet for added durability * Buna-N seal for excellent chemical and temperature resistance * Maximum working pressure of 150 psi (10 bar) * Maximum temperature rating of 250°F (121°C) **Applications:** The D11577 inlet check valve is ideal for: * Water and wastewater treatment systems * HVAC and hydronic lines * Chemical and industrial processing * Boiler feed systems * Pump discharge lines Trust our HVAC supply store for the best prices and fast shipping on the Armstrong International D11577. Shop now and experience the difference of reliable and efficient backflow prevention.