💡 Elevate Your Flow Control Game! Female NPT threads make connecting to male pipes a breeze. Made from materials that resist corrosion, promoting sustainability. Constructed from high-strength PVC, lighter than metal alternatives. Innovative diaphragm design ensures no backflow of corrosive liquids. Handles up to 100 psi, perfect for demanding applications. Corrosion-resistant PVC 1 psi cracking pressure 77-140°F temp range The Plast-O-Matic CKM Series PVC Check Valve is expertly designed for managing corrosive liquids with a diaphragm-operated mechanism. Weighing only 0.28 grams, this valve features a robust PVC construction that outperforms metal fittings in both weight and corrosion resistance. With a cracking pressure of 1 psi and a maximum pressure rating of 100 psi, it operates efficiently within a temperature range of 77 to 140 degrees Fahrenheit, making it an ideal choice for various industrial applications.