VALIDATION OF THE WELDING PROCESS FOR THE HARD FACING AND SEAT RING OF THE GATE VALVES

[Nachhattar Singh]

Dear Experts

 

I am required to submit to the client as to how the “VALIDATION OF THE WELDING PROCESS FOR

THE HARD FACING AND SEAT RING WELDING OF THE GATE VALVES” will be done. Following has already

Been complied and submitted but the client wants some more to be done:-

 

01.   WPS is accepted as submitted.

02.   PQR based on the WPS is in place and accepted.

03.   Heat treatment is not the requirement.

 

Please advise what else should be done, give the reference of such requirements.

 

Thanks in advance

 

NS Gurm

 

PLEASE THINK BEFORE PRINTING

 

[Neilash Kumar]

Hi ,

Its good to see your mail subject regarding validation , There is separate clause in API SPEC Q1 & API 5LD Section 7.5.2

Here are some information that you need to maintain separate format for Welding process validation.

A- DETAILS OF EQUIPMENT USED FOR VALIDATION

The process equipment's used for the validation shall be proven capable of performing the task for which they were designated

B- QUALIFICATION OF PERSONNEL INVOLVE IN THE VALIDATION

Welding Engineer / QC engineer shall ensure that only qualified personnel are assigned for the respective process, includes the weld overlay operator qualification

C- CRITERIA FOR REVIEW AND APPROVAL OF THE PROCESSS

Criteria for review and approval of the process shall be based on the criteria requirement specified in the appropriate qualification code and standard.

D-USE OF SPECIFIC METHOD AND PROCEDURES

WPS, PQR, Materials used, code requirements, specifications, procedures, inspection and testing, defining the acceotance criteria and its reference documents

E- REQUIREMENTS OF RECORDS

Equipment Operation Manual

Maintenance Records of Equipment

Calibration records for control pannel

Qualified WPS & PQR records

Operators Qualification records

Inspection & Testing records

Hope this clarifies your query and proceed further.

NEILASHKUMAR.P

WELDING ENGINEER

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[Nachhattar Singh]

Dear Mr Neilesh Kumar

Thanks for the quick response. I shall use it and in case of any doubt I will seek your advice.

Thanks and regards

N S Gurm

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[anosh wankhade]

Dear Friend,

For validation of welding WPS and PQR is sufficient.
if the client is asking the process of validation you have to submit the trial records of WPS like proposed WPS and its records. The trial record should contain the parameters of welding and consumables process considering welder and equipment are qualified. this records may be supplied until the aimed result is obtained.

For Ex:
Trial No        parameters        consumables               result                            remark
1                    xxxxxxxx            xxxxxxxxxx          Not satisfactory                    xxxxx
2                    xxxxxxxx               xxxxxxxx            Satisfactory                           xxxx


Regards,

Anosh Wankhade

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