Engineering Guide: Calculation, Selection and Installation of Industrial Equipment

Engineering Guide

Calculation, selection and installation of industrial equipment — based on GOST standards and manufacturer data. Articles are reviewed by OnePROM engineers.

Tools

Expansion calculatorJoint movement by section length, material and temperatures.

VFD savings calculatorEnergy savings and payback of a drive on a pump.

GOST flange tablesDimensions, pressures, fasteners — coming soon.

Steel pipeline with a bellows expansion joint on an industrial pipe rack

Expansion joints

How to Calculate Thermal Expansion of a Pipeline

The ΔL = α·L·Δt formula, coefficients for different materials, a worked example and an online calculator for expansion joint movement.

Reading time: 6 min

Damaged bellows expansion joint on a pipeline, close-up

Expansion joints

Why Bellows Fail: 8 Causes of Expansion Joint Failure

Excessive movement, torsion, supports, corrosion, vibration and installation errors — plus a checklist to avoid them.

Reading time: 7 min

Pump station with variable frequency drive cabinets

Drives

Variable Frequency Drive on a Pump: How Much It Saves

Why power drops with the cube of speed, a worked example and a savings and payback calculator.

Reading time: 6 min

Articles in this category are coming soon — check back later or ask an engineer.

Coming soon

How to select a bellows expansion joint
Breather valve: how it works
Tank sampler to GOST 2517
Two-stage or modulating burner
Sizing a variable frequency drive
GOST 33259 flange tables
Pipelines on permafrost

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