Overview
The Marsh 97430 is a precision pressure test gauge designed for accurate low-range pressure measurement in industrial, hydraulic, and pneumatic applications. Built with a copper alloy pressure element and socket assembly, this gauge delivers reliable performance across the 0–15 PSI (0–100 kPa) measurement range. Manufactured by Marsh Instruments, a division of the Marsh Bellofram Group with over 140 years of gauge manufacturing expertise, the Marsh 97430 is engineered for dependable field service and system diagnostics.
Key Features
- Copper alloy pressure element and socket for corrosion resistance and durability
- Low-range 0–15 PSI / 0–100 kPa measurement capability
- Test-grade accuracy suitable for diagnostic and field service work
- Compact, portable design for technician use
- Readily compatible with standard NPT and BSPP fittings
Technical Specifications
| Pressure Range | 0–15 PSI / 0–100 kPa |
| Pressure Element Material | Copper Alloy |
| Socket Assembly | Copper Alloy |
| Model Number | Marsh 97430 |
| Manufacturer | Marsh Instruments (Marsh Bellofram Group) |
| Application Type | Test Gauge / Field Diagnostic |
| Medium Compatibility | Non-corrosive gases, air, hydraulic fluids |
Typical Applications
The Marsh 97430 is commonly used in:
- Low-pressure hydraulic system diagnostics and testing
- Pneumatic circuit troubleshooting and maintenance
- Field service and portable pressure measurement
- Compressor and pump discharge monitoring
- General industrial pressure verification and calibration checks
Compatibility & Replacements
Compatible With
- Standard NPT (National Pipe Thread) connections
- BSPP (British Standard Pipe Parallel) adapters
- Low-pressure hydraulic systems (oil-based)
- Pneumatic air lines and circuits
- General industrial fluid power applications
Replaces / Drop-In Replacement For
The Marsh 97430 is a discrete test gauge model. Verify compatibility with your system integrator before ordering to ensure proper connection thread type and pressure range requirements.
Works With
- Standard NPT and BSPP hydraulic adapters
- Quick-disconnect couplers (ISO 7241-A)
- Portable pressure test kits and manifolds
- Field diagnostic equipment and mobile service tooling
