10 Tools Every Refinery Pipefitter Should Carry
Review ten everyday tools refinery pipefitters use for measuring, flange work, spool installation, and accurate fit-up.
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Learning Center
Build the skills that set you apart. Næxon Learning Center brings practical trade knowledge from the page to the jobsite—helping apprentices grow and experienced craftspeople stay sharp.
220 articles
Field Formulas for Scaffold Builders: The Math Behind the Structure
Practical scaffold layout math for square corners, diagonals, bay dimensions, elevations, and material estimates; engineered plans control the work.
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Field Formulas for Boilermakers: The Math Behind the Vessel
Vessel and plate layout formulas for circumference, arcs, chords, weight, and volume, with examples for boilermaker field work.
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Field Formulas for Millwrights: The Math Behind the Machine
Review gear ratios, pulley speeds, torque, horsepower, and alignment calculations used in industrial machinery work.
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Field Formulas for Ironworkers: The Math Behind the Steel
Structural layout math for diagonals, angles, elevations, steel weight, and bolt patterns, with practical field examples.
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Field Formulas for Welders: The Math Behind the Weld
Understand welding math behind arc energy, travel speed, joint geometry, deposition, and consumables; approved procedures govern actual work.
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Field Formulas for Pipefitters: The Math Behind the Piping
Pipefitting formulas for 45-degree offsets, rolling offsets, fitting takeoffs, slopes, and spool layout, with worked examples.
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Field Formulas for Electricians: The Math Behind the Circuit
Electrical field math covering Ohm’s law, power, voltage drop, three-phase loads, conduit bends, and motor circuits.
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Field Formulas for Riggers: The Math Behind the Lift
Basic rigging geometry for sling tension, load distribution, pick points, and angle factors; qualified lift planning governs actual lifts.
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Introducing: Næxon Refinery Unit Course: Learn How a Refinery Works, One Unit at a Time
Introducing a unit-by-unit refinery course for industrial trades covering process flows, equipment, inputs, and products.
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Isobutane/Butane Fractionation Unit: How Refineries Separate Normal Butane and Isobutane for Alkylation and Blending
How a refinery deisobutanizer separates isobutane-rich overhead from normal-butane-rich bottoms for alkylation and blending.
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Kerosene/Jet Fuel Hydrotreater (KHT): How Refineries Produce Cleaner Jet Fuel and Kerosene
How hydrogen, catalyst, heat, and separation treat kerosene-range streams before jet-fuel blending.
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