Contact US

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Students Click Here

Relief Valve Pressure and Overall System Pressure

Relief Valve Pressure and Overall System Pressure

Relief Valve Pressure and Overall System Pressure

Hello, I have q question regarding relief valve pressure. I have an accumulator with max. permissible pressure 350 Bar. I have seen that, one can choose Relief valve with 360 Bar.

My question is gonna be: Should I construct my all other hydraulic elements like cylinder, pipelines to 360 Bar ? or 350 Bar ?

RE: Relief Valve Pressure and Overall System Pressure

350 bar or 360 bar, does that make a big difference for your other hydraulic elements? The accumulator has a max. permissible pressure of 350 bar but what is the system pressure you need? That would be my design criteria and that would also be my relief valve criteria, regardless what the accumulator can withstand to.

RE: Relief Valve Pressure and Overall System Pressure

The relief valve setting depends on the lowest pressure rated component on the high pressure side of the system. It is there to prevent failure of components due to any over-pressure.


RE: Relief Valve Pressure and Overall System Pressure

Often, hydraulic circuits use a high pressure relief valve and a low pressure relief valve. The low pressure relief valve has a small bypass flow capacity, and functions mostly to precisely regulate pressure under normal operating conditions. The high pressure relief valve is located just after the pressure pump, is capable of bypassing all of the flow from the pressure pump, and it functions to prevent failure of components such as filter housings, heat exchangers, etc due to excessive pressure resulting from pumping fluids having high viscosity at low temp conditions.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members! Already a Member? Login


Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close