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API 6A PR1 and PR2

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api6avalve

api6avalve

Mechanical
Joined
Dec 6, 2012
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1
Location
AE
Hi All,

This is my first post. I understand the testing procedure is different between PR1 and PR2. other than this, is there any change in design, or material.
for instance if there is already designed PR1 valve, can we perform PR2 test and qualify it to PR2?
 
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