This super-compact sight glass luminaire is applicable for combination view/sight glass (single port version) or separate light and sight glass (dual-port version).
It is designed to give glare-free illumination with sight glass styles as follows:

• Circular weld-on sight glass series DIN 28 120 starting at DN 25
• Circular sight glass series ANSI Bolt-On starting at 1″
• Sight flow indicators starting at size 1″
• Circular weld-neck series MV starting at DN 50
• Sanitary clamp connection series MetaClamp starting at 1/2”