Engineering tools for piping designers

Sizing, wall thickness, reinforcement, flow and pipe properties.

• Line Sizing

  Velocity, minimum NPS and maximum flow from the catalogue inside diameter, with Reynolds number and API RP 14E erosional velocity.

  FreeHow it works

• Pipe Volume & Weight Calculator

  Calculate pipe internal volume, fluid capacity, pipe weight and related quantities.

  FreeHow it works

• Wall Thickness

  ASME B31.3 Equation (3a) pressure design thickness from values you enter.

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• Bend Wall Thickness

  Intrados, extrados and sidewall thickness for a pipe bend from ASME B31.3 paragraph 304.2.1 and the factors you enter.

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• Branch Reinforcement

  Area replacement for one welded branch from the values you enter.

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• Insulation Thickness

  Heat loss and outside surface temperature for one insulation layer, from the conductivity and surface coefficient you enter.

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• Pipe Diameter

  Inside diameter from a flow rate and a velocity you accept.

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• Valve Cv

  Liquid Cv and Kv from the flow and pressure drop you enter, with a simple gas estimate.

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• Pipe Properties

  Reference pipe dimensions, wall thickness, weights and key physical properties by size and specification.

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Spans, loops, legs, support details and support steel.

• Pipe Span Calculator (chart-based)

  Spans and weights from the PipingDesigners pipe span chart, by size, schedule, corrosion allowance, service and temperature.

  FreeHow it works

• Steel Sections

  W, UB, UC, HE, IPE, PFC, angles, hollow sections and flats from mill tables.

  FreeHow it works

• Support Span Calculator

  Calculate practical support spacing and review support requirements for piping systems.

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• Rack and Process Spans (beam theory)

  Allowable span from beam theory using the weight and the end condition you enter.

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• Support Details

  Typical trunnion, stanchion and dummy leg support details with dimensioned sketches.

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• Pipe Leg

  Guided-cantilever leg, L-bend, and Z-bend lengths.

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• Pipe Loop

  Symmetrical U-loop size from the guided-cantilever method.

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Spacing, racks, offsets, cut lengths, welds, paint and take-off.

• Weld Inches

  Estimate shop weld inches and the field welds on a straight pipe run.

  FreeHow it works

• Pipe Rack Designer

  Lay out lines on pipe rack tiers, check spacing and tier clearances, and export the drawing to PDF.

  FreeHow it works

• Pipe Offset

  Travel, run and cut length for a simple offset or a rolling offset.

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• Bend Cutting

  Mitre and elbow cut geometry from the angle, diameter and radius you enter.

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• Cut Length

  Cut length between two fittings from the centre distance, the take-outs and the gaps you enter.

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• Line Spacing Calculator

  Calculate practical centre-to-centre spacing between parallel piping lines based on pipe sizes and clearances.

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• Paint and Insulation

  Bare area, insulated area, insulation volume and paint quantity for one run of pipe.

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• Line BOM

  Add catalogue components and a quantity. Each row shows the stored description, size, class and weight.

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Pipe, flange, gasket, bolt, fitting and valve dimensions and weights.

• Pipe & tube

  Pipe by Wall Thickness

  Reverse search of the pipe-schedule extract by wall thickness.

  FreeHow it works

• Valves

  Butterfly Valve Face-to-Face

  Wafer and lug butterfly face-to-face from an interim manufacturer drawing.

  FreeHow it works

• Flanges & bolting

  Stud Bolt Length

  Stud length from the flange, gasket, nut and projection you enter.

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• Flanges & bolting

  Flange Datasheet

  Flange dimensions by size, pressure class and flange type, for ASME B16.5 and B16.47.

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• Flanges & bolting

  Flange Pressure-Temperature Ratings

  Allowable pressure at a temperature, or the temperature limit at a pressure, by material group and class.

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• Flanges & bolting

  Gaskets and RTJ Rings

  Spiral-wound, flat ring and RTJ ring gasket dimensions, including R, RX and BX rings.

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• Flanges & bolting

  Line Blanks

  Spectacle blinds, spacers and blind disks from an interim manufacturer chart.

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• Flanges & bolting

  Orifice Flanges

  Class 300 welding-neck and slip-on orifice flanges from an interim manufacturer catalog.

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• Pipe & tube

  NPS / DN / OD Cross Reference

  Cross-reference nominal pipe size, DN and outside diameter, with an imperial or metric view.

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• Pipe & tube

  Pipe by Schedule

  Outside diameter and wall thickness by NPS and schedule, including stainless 5S, 10S, 40S and 80S.

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• Pipe & tube

  Stainless Tube & Fitting Dimensions

  Reference dimensions for stainless steel tube, fittings and related components used in hygienic piping systems.

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• Fittings

  Butt-Weld Fittings

  Elbow, tee, reducer, cap and long-pattern stub end dimensions from interim manufacturer charts.

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• Fittings

  Socket-Weld and Threaded Fittings

  Forged elbows, tees, couplings, caps, unions and outlets from interim manufacturer charts.

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• Fittings

  NPT Thread Form

  Pitch, taper and sharp height computed from the public thread form.

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• Valves

  Valve Face-to-Face

  Gate, globe, check and ball face-to-face lengths from an interim manufacturer chart.

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• Weights & sheets

  Component Weight

  Look up the stored weight of a pipe, fitting, flange or valve. A catalogue with no stored weight says no weight on record.

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• Weights & sheets

  Size Sheet

  One NPS per page: pipe, flange, fittings, gasket, P-T and support span from the installed tools.

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Estimating, schedules, progress, change control and review checklists.

• Piping Project Controls

  A practical hub for managing piping engineering scope, resources, schedules and project performance.

  Free

• 30 / 60 / 90% Model Review Checklists

  Fill-in model review checklists for the 30%, 60% and 90% stages, each tied to an indicative LOD, with sign-off and a PDF download.

  Free

• Isometric Release Gate Checklist

  Fill-in release check for an isometric before it is issued, with HOLD and ACTION rows, sign-off and a PDF download.

  Free

• Piping Man-Hour Estimator

  Estimate piping design and engineering effort using practical project-based inputs.

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• Piping Estimate Summary

  Summarise piping engineering estimates and key project resource requirements.

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• Control Level Schedule

  Structure piping engineering activities into practical control-level schedules.

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• Physical Progress Calculator

  Calculate and track physical progress against planned engineering work.

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• Scope of Work

  Define and structure piping engineering scope, deliverables and project responsibilities.

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• Design Change Notice

  Record and communicate changes affecting piping engineering scope, design and delivery.

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• Historical Data Log

  Maintain project history and records to support future planning, estimating and review.

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• Project Workspace

  A common project record for the project-control tools. Records stay in this browser.

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• Design Checklists

  Tick lists for a plot plan, equipment layout, piping arrangement, isometric checking, a material take-off and tie-ins.

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Standards, quick reference figures and unit conversion.

• Standards Index

  Searchable list of common piping codes and standards, with a one-line scope and a publisher link.

  FreeHow it works

• Unit Converter

  Convert length, area, volume, mass, temperature, pressure, flow, density, force, energy, power, velocity and torque.

  FreeHow it works

• Quick Reference

  Pipe, flange, fitting, gasket, stud, blank and valve figures for one size, each linked to its tool.

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