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What does the MR0175 define as a shear blade?

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Question:

What does the MR0175 define as a shear blade?

Answer:

No. NACE MR0175 does not define the term “shear blades”.

This question is in relation to NACE MR0175/ISO 15156-2 Annex A.2.3.2.1

Reference: ISO 15156 Maintenance Panel Inquiry #2015-05rev1 Q1

Question: MR0175 states “The suitability of shear blades that do not comply with this annex is the responsibility of the equipment user”. Does the equipment user taking responsibility for the suitability of the shear blades make the shear blades compliant with MR0175?

Answer:

No. Blowout preventer shear blades are included in the list of equipment that has permitted exclusions in Part 2 Table 1 and Part 3 Table 1. In Part 2 Section A.2.3.2.1, the cautionary note is there to alert the end user that the shear blades can be susceptible to SSC.

This question is in relation to NACE MR0175/ISO 15156-2 Annex A.2.3.2.1

Reference: ISO 15156 Maintenance Panel Inquiry #2015-05rev1 Q2

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