Bolts and Gaskets

Are you expecting us to do your homework? If you can specify to that extent you can do better by studying the spec sheet of each flange. You can count the holes, can't you? This will varify nos of bolts per flange. You can see the flange thickness mentioned on the flange spec sheet and measure the size of the bolts can't you?

The spec sheet will also indicate the bore dia of the flange-hole to calculate the bolt size.

For gaskets read through below on the threads and you will find type.

Thanks for your prompt reply.

I don't have the spec sheet of each flange. The details I have provided above are just exacted from the Piping Class specification which is supplied by our client. It doesn't give me anymore details other than what I have mentioned above.

For gaskets, I will try in the threads.

Thank you,

Regards,

Sabir

Then ask Mr. Google.

Go down to your pipe market where they sell pipes, bends, tees, fittings. Find out the leading sellers & brand distributors, talk to them that you have a big inquiry, they will provide you with spec sheets of the flanges imported & local made. They will tell you the bolt size & dimensions. They will tell you where to get the bolts. Go to the bolt fellow, he will give you the spec sheet of the bolt they import. He will tell you the gasket fellow address. Go down to the Gasket fellow. He will give you the Gasket spec sheet and advice you on the types used for different application/fluids. Get out of your chair if you want to learn something. After 6 hours when you get back from the market you can then advice us more than what we can write to you about.

Make it a point to do this coming Monday.

"Get out of your chair if you want to learn something."

Ducon, I'm wondering if your statements are a bit abusive. The man simply is looking for some helpful advice, on a web forum thats purpose is to offer helpful advice. We aren't here to pass judgement for asking, or to scold for asking for help. He appears not to be a lazy student, as you've accused. Nor is he out of line with his queries. I've seen far more ridiculous questions that have been answered professionally and neutrally.

We don't want to scare them away. Everyone has something to offer eventually. Without questions it would be rather boring here, don't you think?

Happy New Year.

You are a bit of an asshole buddy!

Sabir,

I have already answered these questions for you.

Jop (a.k.a. PennPiper)

Sabir,

I use a "Piping Systems Data Charts". This chart has been supplied to me by my steel distributer.

This chart contains information that you are asking for except for the gaskets.

Gaskets are different issue. The selection of gasket is subject to the duty or process compatablity. This has to be specified by your client, unless you know the duty.

Look at the website of Garlok or contact the sales engineer of Garlok for specific duty.

If I had your e-mail I could send you the scan of the chart I have.

Daniel

Hi Mr. Daniel,

I think I need that "Piping Systems Data Charts". Appreciate if you could send it to me. Here is my email address. Its dreamthinkwork@gmail.com

Thank you,

Regards,

Sabir

Years ago when working (for a couple years) as the stock clerk in a pipe fitting shop, I would have looked in my "Crane" catalog and all of the answers for studs, sizes, lengths and quantity per flange. In 1975, The guy I replaced (Bert retired) had been in that position since he got out of the Army after WWII. The type (weld-neck, slip-on or screwed) of flange doesn't make a difference at 150lb, only the pipe diameter.

Then it depends on service duty as mentioned before to decide the proper gasket which could range from red rubber (water) to spirolock for low-pressure steam or other gasket materials such as Garlock materials.

/:€ ...Count the holes!

DEAR SIR

AS,I KNOW ,THE DETAILS OF BOLT HOLES ,BOLT , STUD ARE GIEN IN B16.5

FOR THE SIZES 1/2" TO24" AND IN MSS SP44 OR ASME B16.47 GIVEN FOR 26" TO 48".

THANK YOU , HAPPY NEW YEAR.

V.D.DEODHAR.

Your bolt specs are very common in the U.S.A. b7 studs are basically a heat treated stud/nut that are used in nearly all steam and other higher pressure applications in paper mills and other industrial sites in the USA. In the mill I work at we are to use only these studs and no bolts on any of our flanges. You are describing a 150lb Psi flange, it has a weld-neck finish for open butt welding and a raised face which would us a "ring" type gasket the cs stands for a common carbon steel material that can be found under ASME sec. 2 or B31.1 specs. CS SA181 is for forged flanges which would be compatible to SA 105 fittings, or SA-106/SA 53 pipe as best as I can recall with out getting out the code books. The size on the end is the nominal pipe size in inches. On the 1" sizes will take 4) 5/8", diameter studs 3-1/4" long. I would advise you to get a copy of the latest edition of the Weldbend spec. book for general information on these matters. this book covers most types of fittings, flanges and pipe as well as specs that would be very helpful to you. We get this books free from our pipe suppliers as well as an Anvil international (formerly Grinnel) book for all types of information on pipe supports and hangers. I haven't goggled it but I am sure there are many webs sites that have the information free for the taking too.

Thanks, pipewelder

Hello, It didn't take but a couple of minutes to find it. it has allot of useful info. http://www.weldbend.com/tableofcontents.htm

I would look for the gaskets at http://www.garlock.com/

hope this helps.

Pipewelder