The Complete Steam Guide

How do I prevent the occurrence of water hammer in the steam system?

Series of Good Engineering Practices can be adopted to avoid Water Hammer in Steam Distribution System. These are —

  1. Installation of drain traps with correctly sized drain pockets at desired locations in the piping.
  2. Use of eccentric reducers in steam piping.
  3. Take steam tappings only from top of the distribution lines.
  4. Install an additional trap set on the steam lead line to Process Equipment i.e. the Drop Leg.
  5. Provide a slope of about 2-3 mm/Mtr on the steam distribution lines in the direction of the steam flow.
  6. Ensure that the insulation is effective in keeping radiation losses to a minimum.
  7. Avoid sagging of steam distribution pipelines by providing supports at required intervals.