Risk-Based Pump Seal Selection Guideline Complementing ISO 21049/API 682
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The API 682 (2004) seal “Arrangement” selection logic is a questionnaire posing question about customer experience, local regulations and seal leakages requiring a vendor, customer iterative dialogue. The proposed selection procedure overcomes this shortfall using the internationally recognized Globally Harmonized System Hazard codes (2003) and safety information within the pumped fluid Material Safety Data Sheet (MSDS). The major advantage of this approach is that an MSDS includes local requirements regarding personnel exposure and environmental limitations, and is in a constant state of revision as local rules and regulations change or as the hazard codes of substances change. This allows the selection procedure to remain valid regardless of these revision. The intent of this paper is to encourage users and the industry generally to adopt this or a similar approach leading to a consistent, safety-orientated selection of seals with a clear, repeatable decision logic.
Goodrich, Michael (2010). Risk-Based Pump Seal Selection Guideline Complementing ISO 21049/API 682. Turbomachinery Laboratory, Texas A&M University. Available electronically from