Pressure Relief Valve (PRV's)

Midland Pressure Relief Valves offer performance, reliability and flexibility of use in one easy to maintain, reliable product design. Interior and exterior valve body designs are available in every DOT pressure rating, from 75 psig to 450 psig, and flow rates up to 37,000 scfm. Midland provides the appropriate valve to meet your application needs.
Plus, Midland experience delivers technically superior products that perform over the long haul. Seals are easily replaced for use with diverse commodities to maximize the in-service time of every tank car. Sealed spring chambers and bubble-tight seal testing of every valve assure long-life and safe operation, even when used in harsh chemical environments.


Pressure Relief Valve
  • Features/Benefits
  • Internal Models
  • External Models
  • Easy to maintain, reliable designs available in internal and top styles
  • Interior and exterior valve body designs are available in every DOT pressure rating, from 75 psig to 450 psig, and flow rates up to 37,000 scfm
  • Sealed spring chambers and bubble-tight seal testing of every valve ensure long life and safe operation
  • Seals are easily replaced for use with diverse commodities to maximize the in-service time of every tank car

Internal style valves provide a low profile installation and are excellent choices for noncorrosive commodities.