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Engineering Tools

Server-side calculations against current ASME pipe, flange, and material data

Process piping and pressure equipment calculations, each run on current ASME data tables. Inputs and outputs are visible on the page. Calibration constants, validation logic, and reference data stay on the server. Results are suitable for design intent and citation, not as a substitute for an engineer-of-record stamp.

These tools complement the cyclone and separator calculators, which run entirely in the browser using published correlations.

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Line List: Wall Thickness and Flange Rating
ASME B31.3 · B16.5 · B36.10M
Process piping line list editor. Calculates required wall thickness per B31.3 304.1.2 with mill tolerance and corrosion allowance, checks B16.5 flange rating against design pressure at temperature, reports hydrostatic test pressure per B31.3 345.4.2. CSV export.
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Pipe Sizing: Pressure Drop and Erosional Velocity
Crane TP-410 · API RP 14E · Beggs & Brill
Single-phase liquid, single-phase vapor, and two-phase pipe sizing. Darcy-Weisbach pressure drop with Colebrook-White friction factor, API RP 14E erosional velocity check, Beggs and Brill two-phase flow regime. Gas density from Peng-Robinson with GPSA mixing rules.
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Two-Phase Separator Sizing
GPSA · API 12J · Souders-Brown
Vertical and horizontal gas-liquid separator sizing. Gas capacity by Souders-Brown K-factor, liquid capacity by retention time, mist eliminator placement, nozzle sizing per API RP 14E. Built-in JS calc engine for fast iteration with server-side verification.
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Three-Phase Separator Sizing
API 12J · Stokes settling · Ishii-Mishima
Oil-water-gas separator sizing. Weir and no-weir configurations. GPSA gas capacity, retention-time liquid sizing, Stokes settling for water-from-oil and oil-from-water with Ishii-Mishima drag correction. Nozzle sizing per API RP 14E.
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Coil Sizing
LMTD · Dittus-Boelter · ASME B31.3
Process heater coil sizing for indirect-fired heaters. LMTD heat transfer with Dittus-Boelter inside film coefficient, fouling resistance, ASME B31.3 wall thickness. Vertical and horizontal coil configurations with tube count and bundle layout.
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TEG Dehydration
GPSA Section 20 · Bukacek · Gandhidasan
Triethylene glycol natural gas dehydration unit sizing. Water removal per GPSA Section 20, Bukacek water content correlation, Gandhidasan absorber design, reboiler duty, regenerator stripping gas rate.
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EG Bath Heater
Indirect-fired · ASME IV · LMTD coil
Indirect-fired ethylene glycol bath heater sizing. Process coil duty, bath inventory, firetube heat release, stack sizing, ASME Section IV combustion check.
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Flare System
API 521 · API RP 14E · flame radiation
Flare header sizing and stack design. API 521 relief load, Mach-number header constraints, flame length and tilt, thermal radiation contours per API 521 Annex E.
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Amine Sweetening
GPSA Section 21 · MDEA · DEA · MEA
Amine sweetening unit sizing for sour gas treatment. GPSA Section 21 acid gas loading, circulation rate, contactor sizing, reboiler duty. MDEA, DEA, MEA selection.
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Hydrate Inhibitor Injection
Hammerschmidt · MeOH · MEG · vapor partition
Hydrate inhibitor injection rate sizing. Methanol or glycol selection via Hammerschmidt correlation, vapor-phase loss correction, water-phase distribution.

Reference

Reference
Known Limits
Operating ranges · correlation boundaries · edge-case behaviour
Documented valid ranges for every calculation engine on this site. Gas properties (Z-factor pseudocriticals), separator K-factors, ASME VIII pressure-vessel design, nozzle sizing, 3-phase rating, coil bundles. Trust the answer or fall back to a stamped calc package.
Cyclogen5D · ASME Section VIII Div. 1, B31.3, and API 6A engineering for separation, pressure, and wellhead equipment. Start a project.