Traceability
The ability to trace a valve component back to the original heat of material through documentation - MTCs, PMI, heat numbers stamped on components, and quality records. Required by ASME, API, and PED for all pressure-retaining components.
Frequently Asked Questions
What is Traceability?
The ability to trace a valve component back to the original heat of material through documentation - MTCs, PMI, heat numbers stamped on components, and quality records. Required by ASME, API, and PED for all pressure-retaining components.
What are the acceptance criteria for Traceability?
Acceptance criteria depend on the applicable standard. API 598 and ISO 5208 define leakage rate classes from zero (Rate A) to defined allowable drops (Rate D/F) based on valve size and test type. For dimensional and visual inspections, ASME B16.34 and the applicable valve standard define tolerances. Vajra Industrial Solutions provides full inspection documentation including shell test, seat leakage test, and dimensional check records.
What documents does Vajra provide for valve quality?
Vajra Industrial Solutions supplies valves with: (1) Material Test Certificates (MTC) per EN 10204 Type 3.1 for all pressure-retaining components, (2) Hydrostatic test reports to API 598 or ISO 5208, (3) Dimensional inspection certificates, (4) PMI (positive material identification) reports for alloy valves, and (5) Third-party inspection (TPI) by SGS, Bureau Veritas, Intertek, or TPIA as required. Contact sales@vajravyuh.com for a sample documentation package.
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