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Difference between 900 RTJ and 1500RTJ for same gasket size

Difference between 900 RTJ and 1500RTJ for same gasket size

Difference between 900 RTJ and 1500RTJ for same gasket size

(OP)
Can we use 900 RTJ gasket on 1500 rating flange of same sizes. Is there any difference between construction of 900 and 1500 rating RTJ gasket.
Regards

RE: Difference between 900 RTJ and 1500RTJ for same gasket size

Up through 2" size, CL900 and CL1500 RF or RTJ flanges are identical.
Above 2" size, they are different.

RE: Difference between 900 RTJ and 1500RTJ for same gasket size

(OP)
ThanKs Mr. Scotsinst..
Can you give the details what sort of differences there?
Regards

RE: Difference between 900 RTJ and 1500RTJ for same gasket size

I found this useful texas flange website from a previous eng-tips question.  Dimensions are included:
lsthill (Mechanical) 13 Sep 03 5:06  
Team Members:

http://www.texasflange.com/Dimensioncutsheet.htm

Dimensions in inches.
Sizes NPS 1/2 through 2-1/2 are same as Class 1500 flanges.
1- 1/4 in. raised face not included in dimensions T, L and L2.
2- Bolt hole diameter 1/8 in. larger than bolt diameter.
Texas Flange 877-610-8924

Texas Flange 1018 Fairview Ave. - Lombard - IL - 60148
Illinois Office 800-826-3801 Texas Office 877-610-8924

only use approved supplyer.


leonare@thill.biz
www.thill.biz

RE: Difference between 900 RTJ and 1500RTJ for same gasket size

Pipe and valve flange standards are ASME B16.5 and API 6A. If you are specifying flanges you should have both  of these in your library.

Cliff6361

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