×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

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!
  • Students Click Here

*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

Jobs

Strainer for gas service
2

Strainer for gas service

Strainer for gas service

(OP)
Friends & experts, pls help: 1" CS (150# class - DP: 1900kPa) instrument gas strainer need to be replaced, what would be the best option of strainers (preferably flange-flange type) available?  Pls advise on any website to gather more info on product models.  Whether 'Y'-type strainers could be used for gas service? Is any other type which is more reliable?  Not able to retrieve model/tag info from existing strainer and believe these models should be obsolete by now.

RE: Strainer for gas service

(OP)
thx jte, helpful site...let's hope more replies from our forum friends

RE: Strainer for gas service

1.  A y strainer should work unless you have a big dirt load in which case you would need a basket strainer.

2.  End connections are a function of the piping design and has no impact on dirt removal.  FYI, piping sizes less than 2" normally have NPT ends but flanged end models are available although maybe not as quick a delivery.  Flanged ends will also have a higher total cost.

3.  Something I have struggled with is the mesh size.  I have finally decided that a 100 mesh screen is a resonable choice but am open to discussion by others on this forum.

4.  If the service is instrument air then a filter would be a better choice unless the strainer is upstream of a filter.  IA lines generally require that smaller particles be filtered than can be done with a strainer.

RE: Strainer for gas service

(OP)
1969grad, thx for ur valuable post. System is power gas/instrument gas and existing strainer is with NPT ends.  But, we feel flanged types would be better due to maintenance ease on inlet/outlet DN25 pipework.  Probably, looking at straining capacity of 1micron & more.  Y type & Hayward basket type strainers suggested to be used for liquid pipeline services.  Do you have any experience with these types of strainers?  What are the other available make/models which could be appropriate? Thanks again.

RE: Strainer for gas service

Try Mueller.  We generally end up with either a Mueller or Hayward for small size strainers.

BTW, you cannot remove dirt down to 1 micron with a strainer.  You have to use a filter.

For small filters, take a look at Peco.

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!


Resources