Hi, Pls.find below the extraction. The difference between ASME/ANSI and API flanges is the fabrication material and the higher rated API operating pressure. ASME/ANSI flanges are common in industrial process systems handling water, steam, air and gas. API flanges are manufactured for high strength operating refinery systems with products such as oil and explosive gases. The flange standards API 6A and ASME/ANSI B16.5 are similar dimensionally - but the API 6A flanges are rated for higher pressures as shown in the table below: | API vs. ASME/ANSI Flanges | | Flange | Pressure Class Rating (psi) | Nominal Size Range
(inches) | | ASME/ANSI B16.5 | API 6A | ASME/ANSI B16.5 | API 6A1) | | Weld neck | 600 | 2000 | 1/2 - 24 | 113/16 - 11 | | 900 | 3000 | | 1500 | 5000 | | Blind and Threaded | 600 | 2000 | 113/16 - 211/4 | | 900 | 3000 | 113/16 - 203/4 | | 1500 | 5000 | 113/16 - 11 | Thanks & regards, (Karthik)
Karthikeyan.S QA/QC Manager Getabec Energy Co.,Ltd. 379,Moo6,Soi8,Nikhomphatana, Rayong-21180, Thailand. Phone: 0066 38 897035-8 (Off) Fax: 0066 38 897034 Hand Phone: 0066 892512282
--- On Thu, 10/21/10, Panomsit Srirunpetch <panomsit@gmail.com> wrote:
From: Panomsit Srirunpetch <panomsit@gmail.com>
Subject: Re: [MW:7666] Flange specification API 6A (3" API 500 RX 35)
To: materials-welding@googlegroups.com
Date: Thursday, October 21, 2010, 5:51 AM
Please recheck your rated working pressure... 2010/10/20 issam chebbo <issam.chebbo@gmail.com> Hello,
Please i need your help to draw a flange according to API standard the
problem in my company we are using ASME B16.5 and i dont know if i can
use ASME specification to draw this flange. If someone can send me the
specification or the equivalant of this flange in ASME i will really
appreciat it.
Thanks,
Issam CHEBBO
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