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API Spec Q1 (Clause 5.10): Control of Non-Conforming Product

There is a common question asked by our clients,

Does every product non-conformity closure requires a root cause analysis and corrective action?

The answer to this query is ‘No’, supported with below Interpretation / Explanation.

As per API Spec Q1 (clause 5.10.2) *the organization shall address nonconforming product by performing one or more of the following;

  • Repair or rework with subsequent inspection to meet specifie requirements
  • Re-grade for alternative applications;
  • Release under concession (see 5.10.3); and/or

None of the above options make reference to take any corrective action.

But still there is confusion, when you refer to clause 6.4.2.

As per Q1 (clause 6.4.2: Corrective Action) *the organization shall maintain a documented procedure to correct nonconformities and to take corrective actions, both internally and within the supply chain, to eliminate the causes of nonconformities in order to minimize the likelihood of its recurrence.

The above para gives an indication that, yes an RCA and Corrective Action is required to deal with the internal product non-conformity also. Whereas if you re-look into the clause 5.10.1 (b). This clearly mentions “that to address the detected nonconformity see 5.10.2” and 5.10.2 doesn’t have any reference for corrective action.

If you carefully refer the Note under the first para of clause 6.4.2, then you will get the idea, when to take corrective action for routine (repetitive) product non-conformances.

Note (Clause 6.4.2): *Corrective action can apply to both quality management system processes and nonconforming product trends.

Above note provides a clarity that organisations need to review the product non-conformity trends periodically and identify the common type of problems like ‘dimensional variations’, seat leaks etc. Based on that an all-inclusive RCA need to done to identify ‘the cause(s) behind the trend of a particular type of repetitive non-conformity’, so that a broad level corrective action can be taken to prevent its recurrence.

However sometime single instances of product non-conformity are so severe that if the corrective action(s) is not taken than the consequences can be very serious leading to process disruptions at site and customer dis-satisfaction. In these cases organisations should take corrective actions appropriately.

Disclaimer: This interpretation is given only for guidance. Before making any decision, readers are advised to use their own understanding based on their organisation’s requirements.

Note

API doesn’t endorse this interpretation as a part or in totality.

* Extract from API Spec. Q1, 9th Edition

For more information, please contact Framework team.

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Top Entry Cryogenic Ball Valves

Top Entry Ball Valve as solutions for cryogenic applications

In the LNG industry today, the significance of top entry valves is continually growing, driven by rising awareness of the need for these type of valves as well as design code demands, especially in cryogenic and marine applications.

Both offshore and cryogenic pipelines are greatly affected by mechanical stresses, coming either from a ship motion and vessel deflection, or from high contraction and expansion levels, caused by temperature fluctuations during the process.

Taking all these factors into account, it’s clear that the pipelines need to be exceptionally rigid, with minimal leakage points such as flanges or threaded connections.  However, enhanced rigidity and pipe integrity may be achieved only if the system components are constructed in one piece and are firmly integrated with the piping by welding or similar method to form a “one-piece” structure.

The Top Entry valve is the ultimate solution for these challenges due to its one-piece body construction – providing high integrity with the pipeline on one hand and inline serviceability on the other.

However, valve construction of this kind presents major engineering challenges, since all its inner parts have to be placed and assembled via a single and relatively narrow top opening.

However, valve construction of this kind presents major engineering challenges, since all its inner parts have to be placed and assembled via a single and relatively narrow top opening.

Framework’s top entry valve design addresses and solves all these issues.

Valve is designed with relatively simple construction with minimal parts and no closed cavities.

The entire valve is fully fire-safe as required by many CNG, LNG, marine and other applications.

Unmatched in-line serviceability

The valve’s  innovative design offers easy in-line serviceability with minimal effort and simple tooling needed to carry out dismantling, replacement and reassembly of the valve parts.

Note: 

Above is just a brief about the top entry ball valve valve design from Framework.

Framework support manufactures in designing the product as per their specific requirement and supports till the validation of the product.

For more information on design requirements, please contact Framework team.

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Design Package requirements for API Monogram Licensing

Design Package

API Monogram Certification Program requires manufactures to maintain the Design Package(s) conforming to the latest edition of the applicable API Product Specification(s). During API Monogram Certification Audits, these design packages are reviewed and audited under clause 5.4 of API Spec Q1.

The purpose of the implementation of the API Monogram Program is to ensure organization’s ability to consistently provide reliable products as per API product specifications. To meet and demonstrate this objective, organizations shall maintain a complete design package and procedures, plans and instructions on how to develop a design.

A design package is a collection of set of documentation, which includes following as a minimum but not limited to :

Design Plan

Design Inputs

  • Functional, Technical and Customer requirements
  • Applicable API, ASTM, ASME and other referenced standards and specifications.
  • Methods, assumptions and formulae used
  • Salutatory and Legal Requirements
  • Results from Risk assessments.

Design Output

  • Design Calculation
  • Assembly and Component drawings
  • Bill of Material
  • Material Specifications
  • Work Instructions
  • Procedures
  • WPS/PQR
  • Quality Plans

Design Review & Verification

  • Route Cards
  • Check Sheets
  • Inspection and Test Reports generated during In-coming, In-process and Final Inspection and Testing

Design Validation

  • Prototype Tests
  • Validation tests specified by standards and (or) regulators
  • Field Performance Test

Note: 

Above is not an all-inclusive list, it is just a reference of the documents or records required to ensure the completeness of a design package. The list will vary from one organization to other organization’s needs and their product requirements.

Framework support manufactures in preparation of design package for API specifications like API6A, API6D, API600, API594 etc. For more information on design packages, please contact Framework team.

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