New Mexico Pipe Fitter Journeyman (JPF) Practice Exam

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What do the letters OWG indicate when identifying a valve?

  1. Oil, water, and gas pressure

  2. Oil, wind, and gas

  3. Open, water, and gas

  4. Only water and gas

The correct answer is: Oil, water, and gas pressure

The letters OWG refer to the hydraulic service performance specifications related to a valve, specifically indicating that the valve is suitable for use in systems involving oil, water, and gas pressure. This designation helps in identifying the type of fluids for which the valve is appropriate and helps ensure that it meets the necessary standards for handling those substances. Understanding OWG is critical for ensuring the safety and reliability of fluid systems where different media are involved, as it informs the installer or technician about the applications for which the valve is designed. The inclusion of oil, water, and gas makes it versatile for various industries, such as oil and gas, HVAC, and plumbing, where these elements need to be managed securely.