Overview
The Praxair 2123331-590 is a double gauge specialty gas regulator engineered for industrial applications requiring accurate pressure monitoring and control. Praxair regulators are trusted in laboratory, medical, and industrial settings for consistent, reliable gas delivery across various specialty gas types. This used unit maintains the design integrity typical of Praxair’s regulator line.
Key Features
- Dual gauge design for simultaneous inlet and outlet pressure monitoring
- Precision pressure regulation for specialty gas applications
- Durable construction for demanding industrial environments
- Compatible with standard Praxair cylinder connections
- Compact form factor for bench and system integration
Technical Specifications
- Manufacturer: Praxair Controls Corp of America
- Model/Part Number: 2123331-590
- Type: Double Gauge Specialty Gas Regulator
- Configuration: Dual Stage Regulation
- Gauge Display: Two independent pressure gauges (inlet and outlet)
- Inlet Connection: CGA 590 (standard Praxair specification)
- Application: Specialty gases, industrial process control
- Condition: Used, fully functional
Typical Applications
- Laboratory and analytical gas supply systems
- Medical gas distribution and monitoring
- Industrial process gas regulation and control
- Specialty gas cylinder pressure verification
- Gas quality assurance and testing operations
- Precision instrument calibration gas supplies
Compatibility & Replacements
Compatible With
- Praxair specialty gas cylinders with CGA 590 inlet valves
- Standard gas delivery tubing and fittings
- Laboratory and industrial pressure measurement systems
- Praxair regulator manifold and pigtail assemblies
Replaces / Drop-In Replacement For
- Verify compatibility with your system integrator before ordering for specific model interchangeability.
Works With
- Praxair specialty gas supply systems and cylinder valve assemblies
- Standard gauge reading and pressure monitoring instrumentation
- Industrial gas distribution networks and piping systems









