Reference Tables

Searchable tables for everyday engineering lookups — properties, standards, friction factors, and selection guides.

Amine Solvent PropertiesPhysical and CO₂/H₂S loading properties for MEA, DEA, MDEA, and piperazine blends.
API 2000 Tank VentingNormal and emergency venting rates for atmospheric and low-pressure storage tanks per API Std 2000.
API 520 Relief Contingency ReferenceCommon overpressure contingencies and the API 521/520 sizing basis for each.
API 526 Orifice Letter TableStandard PSV orifice designators (D–T) with effective area and flange-size combinations.
API Standards Quick ReferenceCommon API standards for refining and petrochemical design, grouped by discipline.
ASME B16.5 Flange P-T RatingsPressure–temperature ratings for 44 material groups with interpolation calculator per ASME B16.5-2017.
Battery Room Ventilation — IEEE 1635Hydrogen evolution and minimum ventilation rates for stationary battery rooms.
Biofuel Feedstock ReferenceVegetable oils, animal fats, used cooking oil, tallow — FFA, IV, and yield characteristics.
Catalyst Loading Best PracticesDense vs sock loading, procedures, and QA/QC for fixed-bed reactor charges.
Chemical Properties DatabaseMolecular weight, density, vapor pressure, and critical constants for common fluids.
Cogeneration Heat Rate ReferenceHeat rate, power-to-heat ratio, and efficiency benchmarks for cogen configurations.
Common Pump Families ReferenceTypical duty range and selection notes for centrifugal, positive-displacement, and specialty pumps.
API 571 Damage MechanismsRefining damage mechanisms per API RP 571 with affected materials and inspection methods.
Crude Oil Assay Quick ReferenceAPI gravity, sulfur, TBP yields, and contaminants for representative crude grades.
CUI Inspection GuideCorrosion-under-insulation susceptibility, inspection techniques, and risk ranking.
Electrolyzer Technology ReferenceAlkaline, PEM, AEM, and SOEC electrolyzers compared on efficiency, lifetime, and capex.
Fittings Loss CoefficientsK-values and equivalent lengths for elbows, tees, valves, and reducers.
Fuel Heating ValuesHigher and lower heating values, density, and composition for fuel gases and liquid fuels.
Gasket & Bolting Quick ReferenceGasket m/y values, bolt stress allowables, and flange torque reference.
IEC 60079 Hazardous Area CodesGas groups, temperature classes, zones, and equipment protection levels per IEC 60079.
Instrumentation Signal Standards4–20 mA HART, FOUNDATION Fieldbus, PROFIBUS, Modbus, OPC UA — signal types and applications.
Insulation K-Values ReferenceThermal conductivity vs mean temperature for common insulation materials.
Materials Selection GuideMaterial selection for sour, amine, caustic, hydrogen, and high-temperature service.
Moody Friction Factor ReferenceFriction factor vs Reynolds number for common pipe roughness values.
NEC Cable AmpacityNEC Table 310 ampacity values for copper and aluminum conductors.
NEC Conduit Fill ReferenceMaximum conductor fill per NEC Chapter 9 for EMT, IMC, RMC, and PVC conduit.
NEMA Motor Enclosure TypesNEMA MG-1 enclosure type definitions, environmental ratings, and applications.
Octane Blending IndicesRON and MON blending values for gasoline pool components, sensitivity, and volatility.
PEM vs Alkaline ElectrolyzerTechnology comparison across efficiency, load flexibility, capex, and balance-of-plant.
Physical Properties Quick ReferenceDensity, viscosity, specific heat, and thermal conductivity for common process fluids.
Pipe Hanger Types — MSS SP-58Pipe support and hanger type designations with materials and allowable loads.
Pipe Schedule — ASME B36.10OD, wall, and ID for welded and seamless carbon and alloy steel pipe per ASME B36.10M.
Piping Support SpacingMaximum support spacing for steel pipe in vapor and liquid service per MSS SP-58/69.
Process Safety PHA MethodsHAZOP, what-if, FMEA, LOPA, and bowtie methods — comparison and selection.
PSV Inlet/Outlet Piping — API 520 Pt 2Inlet pressure-loss and outlet back-pressure rules of thumb per API Std 520 Part 2.
Refinery Product SpecificationsOn-spec properties for gasoline, jet, diesel, and residual products.
Refinery Stream Cuts & DistillationCut-point ranges and typical compositions for atmospheric and vacuum tower streams.
Renewable Fuel CI ScoresCalifornia LCFS and CORSIA carbon intensity benchmarks for SAF, RD, biodiesel, and hydrogen.
Renewable Fuel Policy & IncentivesFederal RFS RIN values, IRA Section 45Z/45V, LCFS credits, and SAF blender's tax credit summary.
SAF Pathways ReferenceASTM D7566-approved sustainable aviation fuel pathways with feedstocks and blend limits.
Steam System Losses ReferenceHeat loss, condensate loss, and trap-failure rates for steam distribution systems.
Steam Tables — RefinerySaturated and superheated steam properties covering refinery headers.
Steam Trap Selection GuideMechanical, thermostatic, and thermodynamic steam trap selection criteria.
Thermocouple Type ComparisonType J, K, T, E, N, R, S, B thermocouples: range, accuracy, and sheath selection.
Unit Conversion ReferenceConversion factors across SI and US customary units for process engineering.
Valve Selection GuideIsolation, control, and check valve types with service and selection notes.
Vibration Analysis Quick ReferenceISO 10816 severity zones and rotating equipment fault signatures.

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Disclaimer. This material is provided for informational and educational purposes only and does not constitute professional engineering advice. Calculations, reference data, and methodologies are based on published standards and accepted engineering practice but are not a substitute for engineering judgment, site-specific analysis, or review by a licensed Professional Engineer. Inflection Point Engineering, LLC makes no warranties, express or implied, regarding the accuracy, completeness, or fitness for a particular purpose of any content presented here, and shall not be liable for any direct, indirect, incidental, or consequential damages arising from its use. Users assume all risk associated with applying this content to real-world design, operations, or decisions.