1” NPT Brass Single Window Flow Indicator

Description:

The 1" NPT Brass Single Window Flow Indicator is an inline sight flow indicator designed to provide visual confirmation of liquid flow in industrial piping systems. Constructed with a brass body and a transparent viewing window, it allows operators to monitor flow direction, continuity, and fluid condition without interrupting the process. Commonly installed in water, oil, coolant, and other compatible liquid systems for maintenance and process monitoring.

Applications:

The 1" NPT Brass Single Window Flow Indicator is used in industrial process systems, cooling circuits, pumps, compressors, water treatment equipment, lubrication systems, and chemical processing applications. Its visual inspection window enables operators to quickly verify fluid movement, detect interruptions in flow, and monitor fluid condition without disassembly.

Technical Specifications:

• Manufacturer: Unknown
• Product Type: Single window sight flow indicator
• Connection Size: 1 in. NPT female
• Body Material: Brass
• Window Type: Single viewing window
• Function: Visual monitoring of fluid flow
• Installation: Inline threaded connection
• Compatible Media: Water, oil, coolants, and other non-corrosive compatible liquids
• Compatible Equipment: Pumps, compressors, cooling systems, lubrication systems, and industrial process piping
• Mounting Orientation: Horizontal or vertical (application dependent)
• Operating Environment: Industrial fluid handling applications
• Application: Flow verification and process monitoring
• Designed For: Visual indication of fluid movement in piping systems

Common Replacements:

• Dwyer SFI-100-1 Single Window Flow Indicator (1" NPT)
• Spirax Sarco SG 1" Brass Sight Glass
• United Brass Works Model 70HB 1" Flow Indicator