Overview
The Krueger B-55 liquid level gauge is an at-a-glance tank gauge engineered for direct visual monitoring of liquid levels in stationary tanks. Built with proven mechanical design, the Krueger B8500 0-264-30-056-1 provides a simple, cost-effective solution for fuel, hydraulic, chemical, and industrial storage tank applications. This new, open-box unit combines durability with easy installation, making it suitable for facilities requiring reliable tank level indication without electronic complexity.
Key Features
- At-a-glance visual indicator for quick tank level assessment
- Mechanical design with no electronics or power requirements
- Stainless steel or galvanized wetted components for corrosion resistance
- Swing-arm float mechanism for accurate level tracking
- Aluminum bushing connection for standard NPT fitting compatibility
- Durable construction suitable for fuel, oil, hydraulic fluid, and chemical liquids
Technical Specifications
- Manufacturer: Krueger Sentry Gauge Co.
- Model: B-55
- Part Number: B8500 0-264-30-056-1
- Gauge Type: At-A-Glance Mechanical Float Indicator
- Connection: NPT Tank Bushing (aluminum)
- Wetted Components: Stainless steel rods, plastic or nitrile float
- Outer Calibration: Plastic cellulose acetate scale
- Inner Calibration: Glass tube
- Operating Design: Swing-arm float mechanism
- Suitable Liquids: Fuel, oil, hydraulics, chemical tanks
- Condition: New — Open Box
Typical Applications
The Krueger B-55 at-a-glance gauge is widely used in industrial and commercial settings where simple, reliable level indication is essential:
- Fuel storage and monitoring (diesel, gasoline, kerosene)
- Hydraulic tank level tracking in machinery and presses
- Oil reservoir monitoring in industrial equipment
- Chemical tank level indication in processing plants
- Mobile equipment and vehicle fuel tanks
- Backup or supplementary level indication in systems with electronic monitors
Compatibility & Replacements
Compatible With
- Standard 2-inch or 1.5-inch NPT tank bushings
- Vertical or angled tank mounting configurations
- Fuel, oil, hydraulic fluid, and chemical storage tanks
- Industrial tank systems requiring mechanical level indication
Replaces / Drop-In Replacement For
The Krueger B-55 directly replaces other Krueger Sentry Gauge B-series models with equivalent NPT bushing size and tank depth ratings. Verify exact model compatibility and bushing specifications with your equipment documentation or contact our technical team before ordering.
Works With
- Standard NPT tank connections (2-inch or 1.5-inch bushing)
- Aluminum, stainless steel, or galvanized steel tank walls
- Duro-Nitrile, HDPE, or standard float materials
- LED at-a-glance accessory kits (optional add-on)
- Remote alarm and electronic monitoring kits (when equipped)





