Valve Repair Kit Product Type Valve Repair Kit Material Bronze Compatible with Series 2-500XL3 Operating Temperature - Maximum 140 Degrees F Operating Temperature - Minimum 33 Degrees F Includes (2) Union Gaskets Adjustment Bolt Cartridge Friction Ring Locknut Spring Spring Disc Compatible with Manufacturer Model Number 500XL3 Compatible with Grainger Part Number 787WA3 Valve Type Pressure Reducing Valves