Piping and flange information site 3

[TD2K]

I came across this site by accident and though I haven't had a chance to look throughly at it, it appears to be another good reference site to bookmark for information on piping systems. They also list data on flanges for DIN and BS standards which have been asked about more than once on this site.

http://www.pipingdesign.com/flanges.html

http://www.pipingdesign.com

is the main site.

 

[unclesyd]

Look at the main sponser LMNO Engineering,
They have flow calculators that you don't eveyday

 

[quark]

i am a frequent visitor of

http://www.pipingdesign.com

and it has got good data.

There is a free flange data software(6 MB) for download at this link

http://www.welding-units.co.uk/dld/dld.htm

The site suggested by UncleSyd,

http://www.lmnoeng.com/index.shtml

is also a very good site but you can't perform calculations if you don't pay.

Regards,


Believe it or not : Goldbach's conjecture says any even number can be written as a sum of two prime numbers. Postulated in 16th century, nobody could, so far, prove it nor disproove it.

 

[MJCronin]

quark,

Dude, are you into primes ?

The "Goldbach conjecture" is just a little offramp in the long and facinating history of prime number theory....GH Hardy kind of degraded this type of prime number theorm "guesing"

see

http://mathworld.wolfram.com/GoldbachConjecture.html

Also there are two excellent books about the life's work of a strange but brilliant mathematician, the late Paul Erdos. I read both and enjoyed them very, very much.

They are:

"The Man Who Loved Only Numbers: The Story of Paul Erdos and the Search for Mathematical Truth"
by Paul Hoffman

and

"MY BRAIN IS OPEN: The Mathematical Journeys of Paul Erdos"
by Bruce Schechter

Highly recommended....


MJC

 

[abbver98]

The new DIN standards for flanges are (are also european harmonized that support PED) :
DIN EN 1092-1, Publication date:2002-06 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories - Part 1: Steel flanges, PN designated; German version EN 1092-1:2001
DIN EN 1092-2, Publication date:1997-06
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges; German version EN 1092-2:1997
DIN EN 1092-4, Publication date:2002-08
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 4: Aluminium alloy flanges; German version EN 1092-4:2002

http://www.zertifizierung.din.de/index.php?lang=en

 

[quark]

MJC!

I was enthused and tried myself upto first 200 even integers when I first came to know the theorem when I was at age 12. Though I am a frequent visitor of that Wolfram site, I didn't come across this particular link. Thanks. In fact I saw a paper on the web which claims to have proved this theorem in Vedic Mathematics way. I went through it but it was well over my head.

When I was in my first year engineering, we were asked to write a computer program in Fortran for checking prime numbers:-( in the final examination. Yeah, God did bless me and I passed that exam.

Believe it or not : Goldbach's conjecture says any even number can be written as a sum of two prime numbers. Postulated in 16th century, nobody could, so far, prove it nor disproove it.