A Service Brake Line Slack Adjuster used in an air brake unit helps to maintain proper tension and adjustment in the brake lines. It consists of parts such as spring, piston assembly, base, housing, and seals which help for proper and engaging or disengaging the brakes as required while braking. It features a check valve with a cracking pressure of 60-84 PSI, enhancing the system's reliability by preventing backflow.Attributes:• Ensures that the brakes engage properly and provide consistent stopping power• Operates effectively within a temperature range of -20°F to 230°F, making it reliable in diverse environmental conditions• Maximum pressure capacity of 1100 PSI, it can withstand high-pressure scenarios, ensuring durability and safety• Reliable cracking pressure range of 41-96 PSI ensures precise and consistent performanceApplications:A Service Brake Line Slack Adjuster provides the required adjustment and tension to maintain consistent and reliable braking performance within the brake drums.