Chemical Plant Equipment Design Excel Templates – Complete Engineering Resource

Designing equipment for a chemical, petrochemical, pharmaceutical, fertilizer, oil & gas, water-treatment or process plant requires accurate calculations, consistent engineering assumptions and reliable documentation.

Engineers frequently need to perform repetitive calculations for pumps, heat exchangers, pressure vessels, scrubbers, compressors, separators, cooling towers, filters, tanks and other process equipment. Building every calculation from scratch can consume significant engineering time.

GrowMechanical provides a growing collection of engineering design Excel templates, calculation spreadsheets and engineering calculators intended to simplify preliminary design, sizing, checking and engineering documentation.

These editable Excel tools can be useful for process engineers, mechanical engineers, project engineers, EPC consultants, plant maintenance teams, engineering students and design professionals.

Important: These spreadsheets are engineering calculation aids. Final equipment design, specification and approval should always be checked by a competent engineer against the applicable project specifications, governing codes, standards, vendor data and site requirements.

Why Use Chemical Plant Equipment Design Excel Templates?

Engineering spreadsheets can make repetitive calculations faster and easier to review.

Key advantages

• Reduce repetitive manual calculations

• Improve calculation consistency

• Make engineering assumptions visible

• Quickly perform preliminary equipment sizing

• Modify inputs for project-specific conditions

• Compare design alternatives

• Support equipment selection

• Prepare preliminary engineering calculations

• Assist EPC and plant engineering workflows

• Maintain editable calculation records

• Improve engineering documentation

For engineering teams, a well-structured spreadsheet can serve as a useful calculation starting point before detailed design, vendor confirmation and formal engineering review.

Complete Chemical Plant Equipment Design Excel Template List

The following collection covers major equipment and calculation categories used throughout chemical and process plants.

1. Pump Design & Pump Sizing Excel Templates

Pumps are among the most common rotating equipment items in chemical plants. Proper pump sizing requires evaluation of flow rate, total dynamic head, static head, friction losses, fluid properties, efficiency, NPSH and motor requirements.

1. Pump Sizing Calculation

Use this spreadsheet for basic pump sizing calculations involving flow, head, velocity and power requirements.

Product: Pump Sizing Calculation Excel Template

2. Pump Sizing – SI Units

A useful calculation format for engineers working primarily with SI units.

Typical calculations include:

• Flow rate

• Static head

• Friction loss

• Velocity head

• Total head

• Pump power

Product: Pump Sizing SI Units Excel Template

3. Pump Design Calculations

A more detailed pump calculation workbook for centrifugal pump design and evaluation.

Typical parameters include:

• Pump flow

• Pump head

• NPSH

• Pump efficiency

• Power requirement

• Impeller-related calculations

• Operating conditions

Product: Pump Design Calculations Excel Template

4. Pump Head Calculation Sheet

Pump head is one of the most important parameters in pump selection.

The calculation can consider:

• Static elevation

• Pipe friction

• Fittings

• Equipment pressure difference

• Velocity head

• Total Dynamic Head

Product: Pump Head Calculation Excel Sheet

5. NPSHA Calculation Spreadsheet

NPSH Available is critical for preventing pump cavitation.

The spreadsheet can help evaluate the suction-side conditions and determine available NPSH based on system parameters and fluid properties.

Product: NPSHA Calculation Spreadsheet

6. Centrifugal Pump Design Calculations

This tool is intended for more detailed centrifugal pump calculations and selection activities.

Applications include:

• Chemical transfer pumps

• Utility pumps

• Process pumps

• Cooling-water pumps

• Feed pumps

• Circulation pumps

Product: Centrifugal Pump Design Calculations Excel Template

7. Pump Sizing Calculation Spreadsheets

A broader pump-sizing workbook suitable for different process and utility applications.

Product: Pump Sizing Calculation Spreadsheets

8. Centrifugal Pump Design & Selection Excel Tool

A combined calculation and selection-oriented tool for evaluating flow, head and NPSH requirements.

Product: Centrifugal Pump Design & Selection Excel Tool

9. Single Stage Centrifugal Pump Calculation

Suitable for preliminary calculations involving single-stage centrifugal pumps.

Product: Single Stage Centrifugal Pump Calculation Excel Template

10. Pump Hydraulic Calculation Sheet

A structured hydraulic calculation workbook for evaluating pump system resistance and hydraulic power.

Product: Pump Hydraulic Calculation Sheet – Editable & Professional

11. Pump Sizing Calculation Worksheet

An additional pump sizing worksheet covering key variables such as flow, viscosity, differential pressure and piping parameters.

Product: Pump Sizing Calculation Worksheet

2. Heat Exchanger Design Excel Templates

Heat exchangers are essential in chemical plants for heating, cooling, condensation, vaporization and heat recovery.

Common design parameters include:

• Heat duty

• Hot and cold fluid flow

• Inlet/outlet temperature

• LMTD

• Overall heat-transfer coefficient

• Heat-transfer area

• Pressure drop

• Fouling resistance

• Heat-transfer surface requirements

12. Heat Exchanger Sizing Design Spreadsheet

A comprehensive heat exchanger sizing tool for preliminary thermal calculations.

Typical applications include:

• Shell-and-tube exchangers

• Process heaters

• Process coolers

• Condensers

• Reboiler-related calculations

• Utility exchangers

Product: Heat Exchanger Sizing Design Spreadsheet

13. Heat Exchanger Sizing Spreadsheets

A collection of heat exchanger sizing calculation spreadsheets covering different exchanger configurations.

Product: Heat Exchanger Sizing Spreadsheets

14. Plate Heat Exchanger Sizing Spreadsheet

Plate heat exchangers are widely used where compact equipment, high heat-transfer coefficients and flexible capacity are required.

Typical calculations include:

• Fluid flow

• Density

• Viscosity

• Specific heat

• Thermal conductivity

• Heat duty

• Temperature conditions

• Heat-transfer area

• Plate requirements

Product: Plate Heat Exchanger Sizing Spreadsheet

15. Shell & Tube Heat Exchanger

Shell-and-tube exchangers are among the most widely used heat-transfer equipment in chemical and petrochemical plants.

The calculation can support evaluation of:

• Heat duty

• LMTD

• Heat-transfer area

• Shell-side conditions

• Tube-side conditions

• Pressure drop

• Flow arrangement

Product: Shell & Tube Heat Exchanger Excel Template

16. Design of Heat Exchanger

A step-by-step heat exchanger calculation sheet for preliminary thermal design.

Product: Design of Heat Exchanger Excel Template

3. Scrubber & Gas Treatment Design Excel Templates

Scrubbers are used for gas cleaning, pollutant removal, acid-gas treatment, particulate control and process exhaust treatment.

Important design considerations include:

• Gas flow

• Liquid flow

• Gas velocity

• Tower diameter

• Packing height

• Pressure drop

• Flooding conditions

• Mist eliminator

• Removal efficiency

17. Scrubber Sizing & Selection

This workbook supports scrubber sizing and technology-selection activities.

The product includes calculation files for scrubber and demister sizing.

Product: Scrubber Sizing and Selection Excel Template

18. Fuel Gas Scrubber Sizing Spreadsheet

Fuel-gas scrubbers can be used to remove entrained liquids and contaminants from gas streams.

Typical calculations include:

• Gas velocity

• Separation efficiency

• Mist eliminator

• Pressure drop

• Scrubber dimensions

Product: Fuel Gas Scrubber Sizing Spreadsheet

19. Scrubber Design Calculation Spreadsheet – Packed Column

Packed scrubbers are widely used for gas absorption and chemical scrubbing.

Typical design considerations include:

• Gas flow

• Liquid flow

• Packing selection

• Flooding velocity

• Pressure drop

• Packing height

• HETP

• Tower diameter

Product: Scrubber Design Calculation Spreadsheet – Packed Column

4. Separator & Drum Design Excel Templates

Gas-liquid separators and drums are used throughout chemical and process plants for phase separation, liquid knockout and vapor-liquid disengagement.

20. Vertical Drum Separator Calculation Sheet

This calculation sheet supports preliminary sizing of vertical gas-liquid separators.

Typical parameters include:

• Gas flow

• Liquid flow

• Residence time

• Droplet settling

• Vessel diameter

• Vessel height

• Separation conditions

Product: Vertical Drum Separator Calculation Sheet

21. Vessel Weight Check Sheets

Equipment weight calculations are essential for:

• Structural design

• Foundation design

• Lifting studies

• Transportation

• Erection planning

• Crane selection

• Operating load assessment

Product: Vessel Weight Check Sheets

5. Compressor Design & Calculation Excel Templates

Compressors are critical in gas-processing and chemical plants for increasing gas pressure and supplying process, instrument or utility gas.

22. Compressor Calculations Spreadsheet

A compressor calculation workbook can be used for preliminary evaluation of:

• Compression ratio

• Gas flow

• Power

• Compression stages

• Intercooling

• Operating conditions

Product: Compressor Calculations Spreadsheet

23. Centrifugal Compressor Calculation Sheet

Centrifugal compressors require careful consideration of pressure ratio, gas properties, head and power.

This calculation tool can assist with preliminary evaluation of:

• Pressure ratio

• Polytropic head

• Power

• Gas flow

• Compressor operating parameters

Product: Centrifugal Compressor Calculation Sheet

6. Filtration Equipment Design Excel Templates

Filters are used to remove solids, particulates and other contaminants from liquid and gas streams.

24. Filter Sizing Calculation Spreadsheets

Filter sizing involves determining:

• Required filtration area

• Flow rate

• Pressure drop

• Filter media

• Loading conditions

• Filtration capacity

Product: Filter Sizing Calculation Spreadsheets

7. Ducting & Ventilation Calculation Excel Templates

Process ducting is important in:

• Chemical exhaust systems

• Fume extraction

• Ventilation

• Scrubber systems

• Industrial air handling

• Process gas transfer

25. Ducting – Static Pressure Calculation

This spreadsheet can help evaluate:

• Air/gas velocity

• Static pressure

• Friction losses

• Duct dimensions

• Pressure losses through the system

Product: Ducting – Static Pressure Calculation Excel Sheet

8. Cooling Tower Design Excel Template

Cooling towers are commonly used for process cooling and utility-water systems.

Cooling tower calculations may involve:

• Heat load

• Cooling-water circulation rate

• Hot-water temperature

• Cold-water temperature

• Wet-bulb temperature

• Range

• Approach

• Tower performance

26. Cooling Tower Calculation Spreadsheet

The GrowMechanical cooling tower spreadsheet is designed to simplify cooling-tower calculations using parameters such as flow rate, temperature and heat-related properties.

Product: Cooling Tower Calculation Spreadsheet

9. Steel Chimney & Stack Design Excel Template

Industrial furnaces, boilers and process exhaust systems often require properly sized stacks or chimneys.

27. Steel Chimney / Stack – Self Supported Design

The calculation can assist with preliminary determination of:

• Stack height

• Diameter

• Shell thickness

• Wind load

• Structural design parameters

Product: Sizing of Steel Chimney / Stack – Self Supported Excel Template

10. Welding, NDT & Heat Treatment Engineering Reference

Mechanical equipment design doesn't end with sizing. Fabrication quality and inspection are equally important.

28. Welding, NDT & Heat Treatment Chart

This engineering reference covers topics related to:

• Welding processes

• MIG

• TIG

• Stick welding

• NDT methods

• Ultrasonic testing

• Magnetic particle testing

• Radiography

• Heat treatment

• Annealing

• Tempering

• Quenching

Product: Welding, NDT & Heat Treatment Chart

Chemical Plant Equipment Design – Engineering Categories

For easier navigation, the complete collection can be divided into the following engineering groups:

CategoryTypical Equipment / CalculationPump DesignCentrifugal pumps, pump head, NPSHHeat TransferShell & tube, plate heat exchangersGas TreatmentScrubbers, demistersSeparationVertical drums, separatorsCompressionCentrifugal and general compressor calculationsFiltrationFilter sizingUtilitiesCooling towersDuctingStatic pressure and frictionMechanicalVessel weight calculationsStack DesignSteel chimney / stackFabricationWelding, NDT and heat treatment

How These Excel Templates Can Support EPC Engineering

Engineering spreadsheets are particularly useful during different stages of a project.

1. Conceptual Engineering

During conceptual design, engineers can use preliminary calculations to estimate:

• Equipment capacity

• Utility requirements

• Pump duty

• Heat exchanger area

• Scrubber dimensions

• Separator size

2. FEED

During FEED, calculation sheets can help develop preliminary:

• Equipment datasheets

• Design basis

• Equipment list

• Utility requirements

• Preliminary equipment specifications

3. Detailed Engineering

During detailed engineering, calculations may support:

• Equipment sizing

• Mechanical checks

• Hydraulic calculations

• Design verification

• Vendor data review

• Engineering documentation

4. Procurement

Calculation outputs can assist with preparing technical information for:

• RFQs

• Equipment specifications

• Vendor comparisons

• Technical bid evaluations

• Purchase specifications

5. Construction & Commissioning

Engineering calculations can also be useful when reviewing:

• Installed equipment

• Actual operating conditions

• Pump performance

• Heat exchanger performance

• Pressure-drop conditions

• Troubleshooting requirements

Who Can Use These Chemical Plant Design Excel Templates?

These engineering tools can be useful for:

Process Engineers

For preliminary process equipment sizing and process calculations.

Mechanical Engineers

For equipment sizing, weight calculations and mechanical engineering support.

EPC Engineers

For FEED, detailed engineering, procurement support and project documentation.

Project Engineers

For reviewing engineering calculations and equipment requirements.

Plant Maintenance Engineers

For troubleshooting, replacement studies and equipment performance evaluation.

Consultants

For preparing preliminary engineering calculations quickly.

Engineering Students

For learning engineering calculation methodologies and understanding equipment design fundamentals.

Freelance Engineers

For creating calculation packages and supporting client engineering projects.

Typical Chemical Plant Equipment Covered

A chemical plant may include a wide range of equipment such as:

• Pumps

• Centrifugal pumps

• Compressors

• Heat exchangers

• Plate heat exchangers

• Shell-and-tube heat exchangers

• Scrubbers

• Packed columns

• Demisters

• Gas-liquid separators

• Vertical drums

• Filters

• Storage tanks

• Reactors

• Agitators

• Cooling towers

• Chimneys

• Stacks

• Ducting

• Pressure vessels

• Utility equipment

The GrowMechanical collection is continually expanding to cover additional engineering calculations and equipment design requirements.

Engineering Calculation Toolkit – More Than Individual Spreadsheets

If you need several calculation tools instead of purchasing individual spreadsheets, consider using a bundled engineering toolkit.

The Engineering Calculation Toolkit includes more than 40 spreadsheets covering areas such as:

• Heat exchanger design

• Pump and compressor sizing

• PSV calculations

• Flare calculations

• Tank sizing

• Separator calculations

• Line sizing

• Control valve calculations

• Cryogenic equipment calculations

• Insulation calculations

• Material selection

• Pressure ratings

Explore the Engineering Calculation Toolkit – 40+ Spreadsheets

For engineers who need a broader collection of process and mechanical calculation tools, GrowMechanical also offers larger engineering spreadsheet bundles.

Explore the Engineering 65 Spreadsheet Bundle

Explore All GrowMechanical Engineering Tools

If you are looking for additional Excel templates beyond chemical plant equipment design, explore the complete engineering tools collection.

Browse GrowMechanical Engineering Tools & Calculators

The collection covers engineering calculations for chemical, process, mechanical, oil & gas, petrochemical and related industries.

Engineering Design Services

Excel spreadsheets are useful calculation aids, but complete projects often require additional engineering deliverables.

GrowMechanical also supports engineering requirements including:

• Process Flow Diagrams (PFD)

• Piping & Instrumentation Diagrams (P&ID)

• Process equipment sizing

• Pump sizing and selection

• Heat exchanger design

• Pressure vessel design

• Storage tank design

• Reactor design

• Column design

• Equipment datasheets

• Mechanical datasheets

• MTO / BOQ preparation

• Vendor document review

• AutoCAD drafting

• Piping isometrics

• Engineering documentation

Explore GrowMechanical Engineering Services

Final Checklist Before Using Any Equipment Design Spreadsheet

Before using an engineering spreadsheet for a real project, always verify:

• Design basis

• Process conditions

• Operating conditions

• Design pressure

• Design temperature

• Fluid properties

• Flow rates

• Material of construction

• Corrosion allowance

• Applicable design code

• Client specifications

• Project specifications

• Safety factors

• Vendor requirements

• Applicable statutory requirements

• Final engineering review

A spreadsheet should support engineering judgment—not replace it.

Frequently Asked Questions

What are chemical plant equipment design Excel templates?

Chemical plant equipment design Excel templates are structured calculation workbooks used to perform preliminary sizing, design checks, hydraulic calculations, thermal calculations and equipment evaluations.

Which equipment can be calculated using Excel?

Depending on the workbook, calculations can cover pumps, heat exchangers, compressors, scrubbers, separators, filters, cooling towers, vessels, stacks and other process equipment.

Are these templates useful for EPC projects?

Yes. They can be useful during conceptual engineering, FEED, preliminary design, detailed engineering, procurement support and equipment review.

Can engineers edit the Excel templates?

Editable engineering spreadsheets are particularly useful because engineers can enter project-specific operating and design parameters and adapt calculations to their engineering workflow.

Can students use these spreadsheets?

Yes. Students can use engineering calculation sheets as learning aids to understand the relationship between engineering inputs, formulas and design outputs.

Are the spreadsheets a substitute for engineering codes?

No. Engineering spreadsheets should not be considered a replacement for applicable design codes, standards, project specifications, manufacturer requirements or competent engineering review.

Conclusion

Chemical plant equipment design involves hundreds of repetitive calculations across process, mechanical, hydraulic and thermal engineering disciplines.

A structured collection of chemical plant equipment design Excel templates can significantly simplify preliminary engineering calculations, equipment sizing, design verification and documentation.

From pump sizing and NPSH calculations to heat exchanger design, scrubber sizing, compressor calculations, separator sizing, filter calculations, cooling tower design and stack calculations, these tools can provide a practical starting point for engineers working on industrial projects.

Explore the complete collection and choose the calculation workbook that matches your engineering requirement.

Start Your Engineering Calculation Workflow

Explore All GrowMechanical Engineering Spreadsheets

View Chemical Plant Equipment Design Excel Templates

Recommended Related Engineering Resources

• Engineering Calculation Toolkit – 40+ Spreadsheets

• Engineering 65 Spreadsheet Bundle

• GrowMechanical Engineering Tools & Calculators

• GrowMechanical Engineering Services

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