[MW:1395] Re: Calibration, Validation of welding machines as per BS 7570 standard.

Dear Mr. Rajagopal,

API 6A is specific for wellhead and christmas tree equipments and the
contents in it shall not be applicable for other purposes.

Regards,
R. Bose

On Dec 6, 12:34 pm, "rajagopal kannan" <rajagopal.kan...@gmail.com>
wrote:
> Dear R.bose,
> Refer API 6A for frequency details.
> Thanks and Regards,
> K.Rajagopal
>
> On 12/2/08, Rituraj Bose <boser2...@gmail.com> wrote:
>
>
>
>
>
> > Dear Mr. Muniyandi,
>
> > Will you please inform where I can get the details of this frequencies
> > for calibration?
>
> > Regards,
> > R. Bose
>
> > On Dec 1, 12:22 pm, "Muni Andy" <cmkf...@gmail.com> wrote:
> > > Dear Friends,
> > > Welding equipments need calibration i e the ammeter and voltmeter is to
> > be
> > > calibrated.Frequency is once in 3 months.
> > > validation is required for the welding process and not for welding
> > > equipments.
> > > Regrds,
> > > C.Muniyandi
>
> > > On Mon, Dec 1, 2008 at 11:43 AM, <kata...@bilfal.com> wrote:
>
> > > > Dear friends,
>
> > > > I am not very clear about the words Calibration, Validation of welding
> > > > equipments.
>
> > > > Calibration is defined in some of the literature as all the operations
> > for
> > > > the purpose of determining the value or errors of a measuring
> > instruments.
> > > > (Checking the measuring instruments correctness such as A, V meters)
>
> > > > where as Validation is defined as all the operations for the purpose of
> > > > demonstrating that an item of Arc welding equipment or welding system
> > > > complies with the operating specification for that welding equipment or
> > > > syestem( Checking the correctness of equipment).
>
> > > > I seen many fabrication  shops  doing calibration not Validation.
>
> > > > BS 7575-2000  is also having titile  " Code of Practice for Validation
> > of
> > > > arc welding equipment".
>
> > > > Can any body  suggest me  wether welding equipment requires  Calibraion
> > or
> > > > Validation?
>
> > > > Regards
>
> > > > P.K- Hide quoted text -
>
> > > - Show quoted text -- Hide quoted text -
>
> - Show quoted text -

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