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Inline vs. Conventional Pressure Relief Valves: What’s the Difference?

Thomas Piwowarski |

Inline vs. Conventional Pressure Relief Valves: What’s the Difference?

Pressure relief valves are essential components in fluid systems, designed to protect equipment and personnel by releasing excess pressure. Two common types inline pressure relief valves and conventional pressure relief valves serve similar functions but differ significantly in design, application, and performance.

What Is a Pressure Relief Valve?

These valves automatically open at a preset pressure to prevent over-pressurization, which can cause equipment damage, leaks, or even explosions. Choosing the right type is crucial for system safety and efficiency. Browse Relief Valves at BMTsuperlok.com

Inline Pressure Relief Valves: Compact and Versatile

Design

Inline pressure relief valves are installed directly in the flow path of a pipeline. Their compact, cylindrical shape allows for easy integration into tight spaces.

Advantages

  • Space-saving: Ideal for systems with limited room.
  • Directional flow: Maintains streamlined flow with minimal disruption.
  • Quick response: Often faster to react due to proximity to pressure source.

Common Uses

  • Hydraulic systems
  • Pneumatic circuits
  • Water treatment facilities
  • Medical devices

Conventional Pressure Relief Valves: Robust and Customizable

Design

Conventional valves are typically mounted on tanks, vessels, or piping systems and may include external components like discharge piping or spring housings.

Advantages

  • Higher capacity: Suitable for large-scale industrial applications.
  • Customizable settings: Often adjustable for different pressure ranges.
  • Durability: Built to withstand harsh environments.

Common Uses

  • Oil and gas pipelines
  • Chemical processing plants
  • Steam systems
  • HVAC systems

Key Differences at a Glance

Feature Inline Pressure Relief Valve Conventional Pressure Relief Valve
Installation In-line with piping Mounted externally
Size Compact Larger, bulkier
Response Time Fast Moderate
Flow Disruption Minimal May require rerouting
Pressure Range Moderate Wide range
Maintenance Easier in tight systems Requires more space

Which One Should You Choose?

The choice between inline and conventional pressure relief valves depends on your system’s requirements:

  • Choose inline valves for compact systems with moderate pressure needs and limited space.
  • Opt for conventional valves when dealing with high-pressure environments, large volumes, or when customization is key.

Conclusion

Understanding the differences between inline and conventional pressure relief valves can help you make informed decisions that enhance system safety and efficiency. Whether you're designing a new system or upgrading an existing one, selecting the right valve type is crucial.

Need help choosing the best pressure relief valve for your application? Contact our team or explore our product catalog for expert guidance.