12/30/2020 API 6A PSL Levels Explained, Page 29
Catalog for WOODCO USA® Brand
Page 29
Pressure Control Equipment
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Appendix A (continued)
Documentation PSL-1 Continued
Buyers should specifically request any Process
desired documentation, as applicable, at the Inspection
time of order, such as:
Hydrostatic Test (except for Loose Connectors.
Certificate of Compliance with API Spec
PSL-2 Equipment meets all the requirements
6A and/or the terms of the purchase order.
of API Spec 6A PSL-1 and:
Material Test Reports Controls the limits of variance between the
material qualification test coupon and the
Heat Treat Records
production material. CVN testing for service
Non-destructive Test Reports: temperature -20° F and below.
PT - Liquid Penetrant Examination Volumetric inspection of welds (RT or UT).
MT - Magnetic Particle Examination
UT - Ultrasonic Volumetric Examination Magnetic particle inspection of accessible well
RT - Radiographic Volumetric wetted surfaces.
Examination PSL-3 Equipment meets all the requirements
Hydrostatic Test Report and/or Chart of API Spec 6A PSL-2 and:
Recording of Hydrostatic Test (API Spec Restricts the tolerance of material chemistry.
6A omits hydrostatic test of Loose
Connectors for all PSL's). Increases the maximum size of the material
qualification test coupon in relation to the
A 3.0 Product Specification Level section thickness of the equipment
API Spec 6A specifically states, product specification levels components. CVN testing for all service
do not apply to ring gaskets or studs and nuts. temperatures.
Volumetric inspection of all material in body,
A summary of what PSL's designate follows: bonnets, flanges & stems..
PSL-1 Equipment meets the minimum Wet Magnetic Particle inspection of all
requirements of API Spec 6A for: accessible surfaces.
Design
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12/30/2020 API 6A PSL Levels Explained, Page 29
Specification Hydrostatic Test time extended (except for
Loose Connectors).
Qualification, CVN testing for service
temperature -50° F and below. PSL-3G includes all the requirements of PSL
3 plus additional practices described in API
6A, Annex A. PSL-3G designates an
additional gas-testing requirement for
assembled equipment.
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