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This Spring Check Valve is perfect for use in industrial and sanitary applications. Made from durable T316L Stainless Steel, it provides a positive shutoff to prevent backflow. The clamp-style connection allows for easy installation, while the 4-inch tube size makes it suitable for a variety of applications. With a maximum pressure of 145 psi and a cracking pressure of 1-3 psi, this valve is perfect for use in high-pressure environments. The 3-A Certification ensures that it meets the highest standards for sanitary requirements. Whether you're in the food, beverage, or pharmaceutical industry, this Spring Check Valve is an essential tool for maintaining a safe and efficient operation.