IndustrialZone offers a variety of adjustable and fixed cracking pressure Check Valves to control back flow in industrial, high-purity, and sanitary applications. Our complete line of Check Valves includes dual plate, spring assisted, lift, and swing checks from our reputable manufacturers Chem Oil and Swagelok. If you need any help finding what Check Valve is best for your type of application or you have any questions please contact us, we will be glad to assist you.