Description
The Conbraco Industries 23-450-00 is a heavy-duty stainless steel liquid level gauge engineered for high-pressure hydronic and steam system applications. Built with industrial-grade materials throughout, this gauge delivers reliable, accurate visual level indication in demanding environments where standard gauges fall short.
Key Features
- 1/2″ NPT male connections for straightforward installation into standard pipe fittings
- 5/8″ OD x 12″ length high-pressure borosilicate glass sight tube for clear, accurate level reading
- Stainless steel body construction for superior corrosion resistance and long service life
- Automatic ball check valves on both ends — automatically seal the gauge if the glass is broken, preventing fluid loss and improving safety
- PTFE with Hypalon glass seal provides excellent chemical resistance and a leak-free glass-to-body interface
- Braided Teflon with Aramid stem packing for durable, high-integrity stem sealing under pressure
- Aluminum type wheel (handwheel) for easy manual valve operation without additional tools
Construction Details
- Body Material: Stainless Steel
- Connection Type: 1/2″ NPT Male (both ends)
- Glass Tube OD: 5/8″
- Glass Tube Length: 12″
- Glass Type: High Pressure
- Glass Seal: PTFE with Hypalon
- Stem Packing: Braided Teflon with Aramid
- Safety Feature: Automatic Ball Checks
- Operator: Aluminum Type Wheel
Ideal Applications
- Boiler water level monitoring
- Hydronic heating system tanks and vessels
- Steam system receivers and condensate tanks
- Industrial process fluid level indication
- High-pressure water and steam vessels
The Conbraco 23-450-00 is a trusted solution for mechanical contractors, boiler technicians, and facilities engineers who require dependable level visibility in high-pressure systems. The combination of automatic ball checks and premium sealing materials ensures both operator safety and system integrity.







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