You can use a fitting of Sch-40 and machined its edge to match
the thickness of sch-30 . Vineet
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Subject: Re: [MW:12321] Query / Machining of Sch 40 to Sch 30 / 24 RF WN Flange
Is it mean trimmed/chamfered? Code is allowed, you can see the sizes/figure in the B16.5 book, but certain customers require ID of flange same with ID of pipe.
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-----Original Message-----
From: Vino Varghese <vinopvarghese@gmail.com>
Sender: materials-welding@googlegroups.com
Date: Sat, 27 Aug 2011 15:04:12
To: <materials-welding@googlegroups.com>
Reply-To: materials-welding@googlegroups.com
Subject: [MW:12316] Query / Machining of Sch 40 to Sch 30 / 24" RF WN Flange
Dear All,
I would like to know whether standard *ASME B 16.5* do allow machining of
bevel edge to achieve required thickness?
*The material is 24" WN RF Flange A105 ,Class 150- NACE , Normalised*.
We are not able to procure standard fitting and done machining to achieve
Sch 30 from Sch 40. Please note, *not to entire length*.
The dimension and thickness is verified and a Certificate of Compliance is
produced.
Please advise with evidence(supporting Code) whether the material could be
ACCEPTABLE.
*Thanks & Regards*
*Vino-Doha*
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