Previous in Forum: Relief Valve Size for Glycol Heat Exchanger   Next in Forum: Inertial Dynamometer Vroom Vroom Vroom Testing
Close

Comments Format:






Change Mode
Close

Subscribe to Discussion:

CR4 allows you to "subscribe" to a discussion
so that you can be notified of new comments to
the discussion via email.

Close

Rating Vote:







Add Vote
3 comments
Rate Comments: Nested
m.nagaty
Participant

Join Date: Feb 2016
Posts: 2

Flange J3 & J4

03/21/2016 9:32 AM

hello ,

what dw tm1 j3&j4 stands for .. when we are dealing with flanges

regards

nagaty
Register to Reply
Interested in this topic? By joining CR4 you can "subscribe" to
this discussion and receive notification when new comments are added.
lyn
Guru

Join Date: Oct 2008
Posts: 42355
Good Answers: 1693
#1

Re: Flange J3 & J4

03/21/2016 9:55 AM

Flange Ductwork jointing system
Register to Reply
SolarEagle
Guru

Join Date: Mar 2007
Location: by the beach in Florida
Posts: 33392
Good Answers: 1817
#2

Re: Flange J3 & J4

03/21/2016 11:13 AM

This is for air tight test standards for ductwork...

https://www.bsria.co.uk/services/test/product-testing/ducts/

https://www.besapublications.com/Ecommerce/productPDFs/DW144.pdf

__________________
 All living things seek to control their own destiny....this is the purpose of life
Register to Reply
PWSlack
Guru
United Kingdom - Member - Indeterminate Engineering Fields - Control Engineering - New Member

Join Date: Jan 2007
Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on.
Posts: 32175
Good Answers: 839
#3

Re: Flange J3 & J4

03/21/2016 11:42 AM

There needs to be a code on the drawing that says what these things mean. If the code is not there, a simple telephone call to the office that produced the drawing is needed, because the drawing cannot be seen from here.

__________________
 "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
Register to Reply
Register to Reply
Have a Different Question?
3 comments
Copy to Clipboard

Users who posted comments:

lyn (1); PWSlack (1); SolarEagle (1)

Previous in Forum: Relief Valve Size for Glycol Heat Exchanger   Next in Forum: Inertial Dynamometer Vroom Vroom Vroom Testing

Advertisement

Got Something to Say?
Ask a Question
Start a Discussion

Search this Forum
Mechanical Engineering:
Go

CR4 Sections
Aerospace
BioMech & BioMed
Chemical & Material Science
Civil Engineering
Communications & Electronics
Education and Engineering Careers
Electrical Engineering
General Discussion
Instrumentation
Manufacturing
Mechanical Engineering
New Technologies & Research
Software & Programming
Sustainable Engineering
Transportation

Site Directories
Forum Directory
Blog Directory
User Group Directory
RSS Feeds

CR4 Rules of Conduct
CR4 FAQ
Site Glossary

Who's Online (176 right now)
Show Members
Advertisement