Pressure safety valve calibration : Butterfly valves producer : Stockham gate valve

Pressure Safety Valve Calibration

pressure safety valve calibration
    safety valve
  • a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
  • A means of giving harmless vent to feelings of tension or stress
  • A safety valve is a valve mechanism for the automatic release of a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits. It is part of a bigger set named pressure safety valves (PSV) or pressure relief valves (PRV).
  • The safety valve is a provision in the Sentencing Reform Act and the United States Federal Sentencing Guidelines that authorizes a sentence below the statutory minimum for certain nonviolent, non-managerial drug offenders with little or no criminal history.
  • A valve opening automatically to relieve excessive pressure, esp. in a boiler
  • (calibrate) mark (the scale of a measuring instrument) so that it can be read in the desired units; "he calibrated the thermometer for the Celsius scale"
  • the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument; "the thermometer needed calibration"
  • (calibrate) make fine adjustments or divide into marked intervals for optimal measuring; "calibrate an instrument"; "graduate a cylinder"
  • The action or process of calibrating an instrument or experimental readings
  • Each of a set of graduations on an instrument
  • The continuous physical force exerted on or against an object by something in contact with it
  • The force exerted per unit area
  • the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit); "the compressed gas exerts an increased pressure"
  • coerce: to cause to do through pressure or necessity, by physical, moral or intellectual means :"She forced him to take a job in the city"; "He squeezed her for information"
  • The use of persuasion, influence, or intimidation to make someone do something
  • a force that compels; "the public brought pressure to bear on the government"

Roller testing
Roller testing
I use the carrier as a test stand to hold rollers for running the locomotive in a stationary position. The hose on the stack is connected to a fan to provide a draft. In this testing session I set the popping pressure of the safety valves and ran the engine briefly on steam.

pressure safety valve calibration
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