VIAIR
VIAIR 92250 Safety Valve 250 PSI
A 250 PSI hi-temp rated safety valve with 1/4-inch male NPT threads for compressed air systems
- Selling UnitSet
- Rated for 250 PSI high-temperature air systems
- 1/4-inch male NPT threads fit standard fittings
- Supports 12-volt and 24-volt vehicle applications
- Trusted by OEMs for 4x4 and sport air suspension
- Sold as a set for complete installation
Product Identity
The VIAIR 92250 is a 250 PSI high-temperature rated safety valve designed for mobile pneumatic systems. It suits installers and maintainers of 12- and 24-volt automotive air compressor setups who need a reliable pressure relief component. The valve uses a 1/4 inch male NPT thread for direct installation into compatible ports. Supplied as a set, it integrates with VIAIR compressor systems used worldwide.
Critical Specification
The decisive figure is the 250 PSI pressure rating, which must match the maximum operating pressure of the air system it protects. A valve rated lower would vent prematurely, while one rated higher could allow dangerous over-pressurisation. The high-temperature rating ensures the valve maintains calibration under the heat generated by continuous compressor duty cycles. No other specification overrides this pressure limit for safety compliance.
Fit And Alternatives
This valve suits builders fitting VIAIR compressors or similar mobile pneumatic kits that require a 250 PSI relief point with a 1/4 inch male NPT connection. It is not for buyers who need a different pressure setting, a female thread, or a larger port size for higher flow capacity. Systems running at significantly lower pressures should select a valve matched to their specific relief requirement to avoid nuisance venting.
Highlights
- Rated for 250 PSI high-temperature air systems
- 1/4-inch male NPT threads fit standard fittings
- Supports 12-volt and 24-volt vehicle applications
- Trusted by OEMs for 4x4 and sport air suspension
- Sold as a set for complete installation
Specifications
| Selling Unit | Set |
|---|
Questions about this item
What does the 250 PSI rating mean when the valve is installed in my air system?
The valve opens at 250 PSI to vent excess pressure, protecting downstream components from over-pressure damage.
What does the 1/4 M NPT thread cap in practice?
It limits the valve to fittings and ports with a matching 1/4-inch male NPT connection, so airflow and sealing depend on that thread size.
What do I need to mount this safety valve?
A female 1/4 NPT port or adapter on the tank, compressor head or air line is required for direct installation.
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