API RP 11ER : 2009(R2020)
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Recommended Practice for Guarding of Pumping Units
Hardcopy , PDF
30-07-2022
English
01-07-2020
This RP is intended to provide safeguards for all persons who are required to work around or on oil well pumping units.
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