The GRACO 961635 Air-Operated Mastic Fluid Regulator is a high-pressure valve designed for industrial automation and motion control systems. This regulator, with a maximum pressure rating of 5000 PSI, features a unique air-operated mechanism for precise and reliable control of fluid flow. Manufactured by Graco, a trusted brand in the industry, this model comes in a quantity of 2 to cater to various automation needs. It is ideal for use in PLC processors and HMIs to ensure smooth and efficient operation in a range of industrial settings.