: Requires all shaft seals on pumps to be mechanical. It also mandates that the Net Positive Suction Head Required ( NPSHRcap N cap P cap S cap H cap R ) be at least 1.0m less than the NPSHcap N cap P cap S cap H available.
"Elias, the OIM is breathing down my neck," Sarah, the shift supervisor, said as she stepped into his cramped office. "Pump 20-PA-101 is vibrating like a pneumatic drill. We need to bypass the trip and keep pushing." norsok r-001 pdf