Common Steam Trap Problems and Maintenance

Introduction

Like all mechanical devices, steam traps require regular inspection and maintenance to ensure proper operation.

Common Steam Trap Failures

Steam traps may fail in two ways.

Fail Open
Steam leaks through the trap, causing energy loss.

Fail Closed
Condensate accumulates in the system, reducing heat transfer efficiency.

Causes of Steam Trap Failure

Typical causes include:

Dirt and debris
Wear of internal components
Improper installation
Corrosion

Steam Trap Inspection

Regular inspection programs are important in industrial plants.

Common inspection methods include:

Temperature measurement
Ultrasonic testing
Visual inspection

Conclusion

Proper maintenance and inspection of steam traps are essential for efficient steam system operation and energy savings.

To understand the basics of steam systems, see our guide:

What Is Steam