Gate, Globe, and Check Valve Classification and Materials Technical Reference

Williams Valve

Follow the link below and download a technical reference document for industrial valves, courtesy of Williams Valve and Mead O'Brien.

The document includes:
  • Pressure / temperature ratings for different classification valves and body materials.
  • Forging materials: Types of forged body materials, designations, and service recommendations.
  • Casting materials: Types of cast body materials, designations, and service recommendations.
  • ISO mounting pad dimensions.
  • Steel pipe schedule - Schedule, O.D. and I.D. of pipe.

Williams Valve manufactures gate valves, ball valves, check valves, swing valves and more for industrial and commercial applications. Industries serviced include oil refining, chemical processing, energy, military shipbuilding, pulp and paper, mining and pharmaceutical processes.

For more information about Williams Valve, or any industrial valve application, contact Mead O'Brien. Call them at (800) 892-2769 or visit their website at