The PANDUIT PSL-BV1 ball valve lockout device provides a secure and efficient solution for isolating ball valves used in hydraulic, pneumatic, and chemical energy systems. Constructed from durable polypropylene, this lockout device is designed for quick and easy installation, enhancing safety and preventing unauthorized access. It accommodates valve diameters ranging from .25 inches (6.35mm) to 1.00 inches (25.40mm), making it suitable for a wide range of applications. Its robust construction ensures long-lasting performance and added security in industrial environments.