Sight Glass Window

Type SF & SG are compact low-cost assemblies that provide reliable level indication, and positive indication when liquid is present. These screw-in plugs are fitted with high quality glass. They are suitable for a wide variety of liquids including water, oils and Lubricants.

Sight Glass Window
Example Applications
  • Water
  • Coolant
  • Chemicals
  • Lubricant Oil
  • General Liquid Storage
Example Applications
  • Suitable for Compressor Crank Case/ Machine Housings
  • Working pressure to 24 bars
  • Working Temperature to 180°C
  • Mild Steel or Stainless-Steel Construction
  • Various Seal Materials available
  • BSP, NPT and Metric Thread options ½” to 2″