MEC MEV300FIR/250 3″ Full Internal Pressure Relief Valve 250 PSI Nitrile Hex

Overview

MEC MEV300FIR/250 Full Internal Pressure Relief Valve – 3″ – Set at 250 PSI – NitrileThe MEC (Marshall Excelsior) MEV300FIR/250 is a heavy-duty 3-inch full internal pressure relief valve designed for high-capacity industrial gas and LP vapor service applications. This valve is set at 250 PSI and features nitrile elastomers, making it suitable for demanding environments where durable sealing and reliable automatic overpressure protection are critical.This relief valve is commonly used in bulk plant installations, industrial gas systems, tank vapor relief assemblies, and high-flow safety relief applications, where full internal design and high-performance elastomers are required.✅ Genuine MEC / Marshall Excelsior relief valve✅ 3″ full internal pressure relief valve design✅ Set pressure: 250 PSI✅ Nitrile elastomers for reliable sealing✅ Installation hex: 2-1/2″✅ Professional-grade industrial safety component✅ Brand New – ready for installationIncludes:(1) MEC MEV300FIR/250 Relief Valve — Brand New📌 Note: Always confirm compatibility with your system’s size requirements and relief pressure specifications before installation.

Product details

Package includes

• MEC MEV300FIR/250 3" Full Internal Pressure Relief Valve 250 PSI Nitrile Hex

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.