Uploaded June 2025 | Updated September 2026, 7 minutes ago

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In this Tech Tip, Delta Scientific Master Technician, Glenn Allen, walks you through troubleshooting one of the most commonly received tech support questions: What to do if the Pressure Relief Valve is hissing, the system is not reaching the desired pressure, or the system isn't allowing the pressure switch to shut off?

Get a close-up view as Glenn safely demonstrates how to quickly make the necessary adjustments and informs you of the recommended psi settings. If systems are not holding pressure or reaching the desired cutoff pressure, the pressure switch isn't allowing the system to shut off. This is likely due to the pressure relief valve needing adjusting or replacing. Glenn walks through what is needed to accomplish these corrections for your vehicle barrier systems.

Get support from Delta Scientific by reaching us at: deltascientific.com/product-support or calling us at: (661) 575-1100.

#deltascientific #techtips #troubleshooting #vehiclebarriers