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S140 - Safety Relief Valve Maintenance

Course number
S140
Cost
$950 (price per student; taxes extra)
Venue
In-Class

Synopsis:

This 2-day course uses lectures and examples to explain the correct procedure for valve maintenance.

Objectives:

This seminar is designed for technicians and others who are responsible for the maintenance of Crosby valves.

Topics:

  • Valve nomenclature and definitions
  • ASME code requirements
  • Pressure-level relationship
  • Valve maintenance
  • Valve disassembly and inspection
  • Test bench technique; air, steam and water
  • Cold differential testing
  • Pilot valve testing
  • Adjustments for blowdown
  • Ring locations effects
  • Bench teardown of valves
  • Parts inspection & critical dimension measurement
  • Remachining of nozzles
  • Maintenance problems and remedies
  • Discussion on "do’s" and "don't's"
  • Quiz on safety and safety relief valves

Prerequisites:

None