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Oil sight glasses by PK Machine clearly reveal changes in machinery lubricant quality to help analyze oil condition.

 
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Machined to precise specifications with optical grade clear acrylic and friction bonded, these 1 ounce water finders have a brass drain valve ¼” NPT.

Each oil sight glass is manufactured from solid material for strength, durability and quality fitting.

They are easy to install directly to the drain port located at the bottom of a reservoir. There are several sizes and valve options.

Material:
  • Optical Grade Acrylic
  • Machined USA materials
  • Brass Drain Valve ¼” NPT
  • 145- Brass Drain Cock
  • 1300 Aircraft grade Curtis Valve with ¼” spiral lock
  • 1600 Aircraft grade Curtis Valve with ¼” push lock
  • Temperature:
  • Maximum operating temperature 200 degrees F

  • Pressure:
  • 300 psi (tested to over 350 psi)

  • Chemical Compatibility:
  • Gear oil, mineral oil and synthetic oil
  • Chemical and Corrosion resistant

  • Dimensions:
  • Volume: 1 ounce
  • Overall Length: 2 3/8”
  • Outside Diameter: 1¾”
  • Applications:
  • Pumps
  • Gear Boxes
  • Turbines
  • Storage Tanks
  • Motors
  • Any oil lubricated sump or reservoir
  • The chart below describes the different size and valve options.
    If you are interested in buying a higher quantity, please see our distribution options or contact us directly 530-878-4855.

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