- Upper Barrel (Main Body Above Ground): Ductile Iron (DI).
- Nozzle Cap (Connector): Bronze C83600 (ASTM B62).
- Operating Stem (Screw Stem): Steel 1045 (ASTM A29/A29M).
- Operating Nut (Screw Stem Nut): Bronze C83600 (ASTM B62).
- Seals and Gaskets: EPDM, ensuring a tight seal and high durability.
- Drain Valve (Pressure Relief Valve): Bronze C83600 (ASTM B62).