BL701-1 / BL801-1 Sight Glass Lights
BL701-1 Fixed-Focus Integrated Union Sight Glass Light
The Borlan Fluid BL701-1 is a fixed-focus integrated union sight glass light for vessel observation. Its 2025 catalog entry provides DN50–DN150 dimensions. The sight-light manual lists 3 W with a 4.5 V battery configuration or a separate 220 V option. Send your mating union drawing, viewing requirements and preferred power version for a configuration review.
BL801-1 Adjustable-Focus Integrated Union Sight Glass Light
The Borlan Fluid BL801-1 is an adjustable-focus integrated union sight glass light for vessel inspection. Its zoom beam changes the illuminated distance and coverage. The catalog lists DN50–DN150 dimensions and an optional wiper from DN80. Standard manual reference: 4.5 V, 3 W battery power. Send your mating drawing and operating requirements for a configuration review.