Re: [MW:16901] FLAT FACE FLANGE PAINTING

What is the test pressure ?

Better to remove the paint completely and You can use either neoprene or PTFE gaskets.

Praphulla
Sent from my iPhone

On 28-Feb-2013, at 14:05, Lalu r p <lalucpt@gmail.com> wrote:

> Dear sir
> Normally for flange faces we do not paint the surface to ensure the
> proper sealing.and it is normally machined for the gasket tightness.
>
> On 2/28/13, G Sreenivas Rao <gsrinivasg3@gmail.com> wrote:
>> Dear sir
>> In pressure vessel flat flange shall not be painted, this is for
>> gasket seating and if painted the are will not be giving seal
>> tightness. please ensure if the area is giving seal tightness then can
>> be left as it is.
>>
>> Regards
>> G.Sreenivas Rao
>>
>> On Wed, Feb 27, 2013 at 12:26 PM, Suresh Babu <suresh75.babu@gmail.com>
>> wrote:
>>> Dear Experts,
>>>
>>> We have some flat face flanges in Pressure vessel. The pressure vessel
>>> manufacturer done the painting on the flat face up to the bolt hole and
>>> left
>>> the remaining face unpainted. I hope the entire flat face will leave as
>>> unpainted. I am trying to get info from client which type of Gasket they
>>> will use at site.
>>>
>>> Please put your suggestions.
>>>
>>> --
>>> Best Regards,
>>> Suresh Babu,
>>> suresh75.babu@gmail.com
>>>
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