Engineering Calculator

Calculators

Takween Plast

Takween calculator

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Start from the engineering tool library, open the check you need, then save the result when it is ready for review.
Choose toolsPressure, flow, loading, movement, and rating checks in one workspace.
Run checksUse focused inputs and quick outputs for common pipe engineering questions.
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Use project files for smarter calculations.Keep notes, assumptions, saved results, product matches, and standards evidence together in one calculator workspace.Drawings, BOQs, datasheetsSaved Calculations
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Calculators

Temp-Pressure RelationSee how temperature changes the working pressure before the pipe is pushed outside its comfort zone.What you enterMaterial, temperature, base pressureWhat you getDerated pressureFriction Loss PipesTurn flow, diameter, and pipe length into a quick head-loss check for pump and network sizing.What you enterLength, material, flow, diameterWhat you getHead lossFriction Loss FittingsBuild a fitting list and convert bends, tees, reducers, and couplers into equivalent pipe length.What you enterSystem, fitting, size, quantityWhat you getEquivalent lengthEarth LoadEstimate the soil load sitting on a buried pipe before choosing bedding and trench details.What you enterSoil, cover, trench, angleWhat you getStatic earth loadWheel LoadCheck how traffic loading transfers through cover depth and reaches the pipe zone.What you enterWheel load, contact, coverWhat you getTraffic loadAdhesiveEstimate adhesive and primer quantities for joint planning, purchase lists, and site preparation.What you enterDiameter and joint countWhat you getRequired materialExpansion ContractionPreview pipe movement caused by temperature swing so supports, loops, and joints are planned early.What you enterLength, material, temperaturesWhat you getLength changeVelocityTranslate flow and internal diameter into velocity, then spot noise, erosion, or sediment risk.What you enterFlow and internal diameterWhat you getWater velocityWater HammerModel surge pressure from valve closure so the system is not surprised by sudden pressure spikes.What you enterPipe, material, velocity, closureWhat you getSurge pressureSupport SpacingFind a practical support interval based on pipe size, wall thickness, temperature, and fluid weight.What you enterOD, wall, temperature, fluidWhat you getMax spacingBuoyancyCheck whether groundwater uplift can float an empty buried pipe before backfill and anchoring are set.What you enterDiameter, water height, soilWhat you getNet uplift forceSDR Rating PVCConvert outside diameter and wall thickness into SDR and an estimated pressure class for PVC systems.What you enterOD and wall thicknessWhat you getSDR and PNSDR Rating HDPECompare HDPE wall thickness and PE grade against SDR and theoretical pressure rating.What you enterOD, wall thickness, PE gradeWhat you getSDR and PN
Validation standards

Standards used to validate calculations