PEL software products

The essential process engineering software, created by process engineers for process engineers

The PEL suite is a comprehensive package with software specifically for fluid flow, pressure relief, physical properties, datasheet management and hazard analysis.

Designed by engineers for engineers, the tools are intuitive and easy to use. They can be used to work out every day calculations, for troubleshooting issues such as bottlenecks, or when making plant modifications.

The tools have been developed, used and tested in a manufacturing environment to enable engineers to design processes more quickly and more reliably with up-to-date and permanently available design data.

Range of licensing agreements

PEL is available through a number of licensing options. The structure is very flexible and can be tailored to suit your needs. We can provide any combination from single user standalone licences for one component, through to unlimited global licences for the complete suite.

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Contact Us

Our team are here to take your call Monday - Friday 9am-5pm (UK time) A telephone answering service is available outside office hours.

Email: pel.support@gb.abb.com
Phone: +44 (0) 1925 74 1126

30 day free, no obligation trial

See the benefits of PEL for yourself. We offer a 30 day free, no obligation trial.
Download the software below to start your evaluation.

Further information on each of the tools is available by clicking on the arrows below.

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PEL PhysPack – fluid physical properties

PEL CAPRE – validated engineering calculations in Excel

PEL Adrian – compressible network flow

PEL Piper – two-phase fluid flow

PEL Flonet – incompressible network flow

PEL ProvueDB – datasheet management system

PEL PhysPack - for physical properties of mixtures

PEL PhysPack is an easy-to-use database of physical properties, combined with a powerful calculation engine. You can quickly obtain a diverse range of information both numerically and graphically, for either single phase or multiphase equilibrium and across a wide range of temperatures and pressures.

PEL PhysPack calculates and analyses the physical properties of mixtures, pure components and aqueous solutions.

Choose from over 1,500 components and instantly view its constant properties, together with the liquid, vapour, and solid properties over a range of temperatures and pressures.

Features

For aqueous solutions, view properties over a range of concentrations and temperatures
Specify mixtures using either mass or molar units
Over 50 methods to model the vapour liquid equilibrium
Performs liquid and vapour liquid equilibrium calculations
Calculations available include phase envelopes and critical point, binary plots and azeotropes
Reports liquid and vapour phase split and compositions for multiphase streams
Performs isothermal, isenthalpic, isentropic and isochoric flashes
Tailor the output to your own requirements by specifying ranges and units
Results displayed in an easy-to-read spreadsheet complete with quality assurance data for each point and phase composition data for each of the components
Graphical displays with links to Microsoft Excel for capturing the output
Define petroleum fractions based on distillation curves or boiling points

Benefits

Reliable data - essential for the safe design of processes and equipment
Suitable for both expert and less experienced users
Simplifies chemical process design
Powerful visual displays
Documented records for audit
Can be transferred in to other PEL applications
Saves time by giving rapid answers to required data

Factsheet

PEL CAPRE

PEL CAPRE adds the reassurance of validated calculation methods to the functionality and flexibility of a spreadsheet.

Calculations are an essential part of a process engineer’s job. Undetected errors in calculations can result in poor design. Errors picked up late in design result in delays or costly modifications if equipment is installed. Spreadsheets are straight forward to use but this simplicity is also a weakness as they are hard to check and it is easy to make mistakes. Once created, spreadsheets are hard to maintain and tend to evolve over time as engineers modify them. Once this happens the validity of the original calculation is compromised. PEL CAPRE provides fully documented and validated pro formas and functions with extensive unit conversion capability.

Features

Over 30 easy to use pro forma spreadsheets addressing common engineering problems, such as fluid flow, equipment sizing and pressure-relief
Excel functions for many process engineering equations to use in your own spreadsheets
Built-in units conversion
Thorough help documentation describes the use of functions and the basis of calculations
‘Insert function’ tool to help add individual PEL CAPRE functions to your own spreadsheets and produce your own datasheets
Search for specific functions and make ‘favourite’ the most commonly used for easy access
Change and create sets of units to be saved and used as default
Includes standard PEL Tools, such as pipe inner diameter, pipe roughness, K-Value and molecular weight, to insert values directly into spreadsheets
Provides a simple system for inserting commonly used engineering equations into Excel to allow engineers to generate their own spreadsheets and datasheets quickly and efficiently

Benefits

Users can have complete confidence in the results
Reduces risk of human errors in calculations - essential when working with safety critical equipment
Allows engineers to be more efficient and productive
Provides a documented record of calculations for audit
Improves QA and standardises procedures by everyone using the same set of data and calculations
PEL CAPRE can be licensed as an add-on to PEL or as a completely separate programme
Reduces checking time as all calculations are in a standard format

Factsheet

PEL Adrian

PEL ADRIAN calculates flows and pressures for high velocity, compressible gases in a network and is relevant for the modelling of relief streams

PEL ADRIAN calculates single phase high velocity gas or vapour flowrates and pressure drops in piping systems. These may consist of a single pipe or a network. When supplied with the pressure at the inlets and outlet, PEL ADRIAN calculates the flows and internal pressures throughout the network. Alternatively, given the input flows and the exit pressure, it will calculate the flows and pressures at all other points.

features

A number of specific types of equipment are modelled: Contractions ; Expansions ; Relief valves ; Bursting discs ; Bends ; Fittings

Creating models is simple using the drag and drop toolbox and drawing surface

Automatic pipe size correction when diameters are changed
Table view of the system to allow quick modifications to multiple items
Simple tools for internal pipe diameters and pipe roughness
K Value calculator for fitting losses
Physical property calculator through a simple interface
Insert isometric or sketch into the drawing
upstream irrecoverable pressure loss due to friction and the back pressure is determined and reported as a pressure loss and a percentage of set pressure.
relief pressure and the exit pressure, along with the frictional losses in the pipe and across the disc can be modelled to determine the system capacity

Benefits

Users can have complete confidence in the results
Reduces risk of human errors in calculations - essential when working with safety critical equipment
Allows engineers to be more efficient and productive
Provides a documented record of calculations for audit
Improves QA and standardises procedures by everyone using the same set of data and calculations

Factsheet

PEL Piper

PEL PIPER calculates the pressure, flowrate and phase of a liquid, two phase mixture, or gas along an unbranched closed conduit system using rigorous physical properties.

PEL PIPER calculates two phase flowrates and pressure drop through a pipe as well as handling single phase liquid and gas flows.

It is based on the assumption of homogeneous equilibrium flow and determines the equilibrium phase split at multiple points along the pipe to produce accurate results.

When supplied with the pressure at the inlets, PEL PIPER calculates the flow, internal pressure, temperature and vapour fraction along the pipe.

Alternatively, given the flow and the inlet pressure, it will calculate the internal pressure, temperature and vapour fraction along the pipe.

Features

Creating models is simple using the drag and drop toolbox and drawing surface
Automatic pipe size correction when diameters are changed
·--Table view of the system to allow quick modifications to multiple items
·--Simple tools for internal pipe diameters and pipe roughness
·--K Value calculator for fitting losses
·--Insert isometric or sketch into the drawing tool so the model can be built over the isometric

Benefits

Users can have complete confidence in the results
Reduces risk of human errors in calculations - essential when working with safety critical equipment
Allows engineers to be more efficient and productive
Provides a documented record of calculations for audit
Improves QA and standardises procedures by everyone using the same set of data and calculations

Factsheet

PEL Flonet

PEL Flonet brings speed and reliability to the process of modelling liquid and low velocity gas distribution networks.

PEL Flonet calculates single phase liquid or vapour flow rates and pressure drops in piping systems. These may consist of piping loops or be ‘tree-like’ in form. Pumps and non-return valves can be included in the system. When supplied with the pressure at the inlets, PEL Flonet calculates the flows and internal pressures throughout the network. Alternatively, given the flows and one pressure, it will calculate the pressures at all other points.

Features

A number of specific types of equipment are modelled: Pumps ; Pressure and flow control valves; Restriction orifices ; Heat exchangers ; Block valves ; Non-return valves ; Storage tanks
Models can be made up of reusable ‘sub-networks’, allowing large networks to be developed in smaller sections and understood in detail.
Creating models is simple using the drag and drop toolbox and drawing surface
An easy-to-use graph tool allows pump curves and other data to be captured
includes a library facility to save and share curves, fluids and sub-networks
The presentation of results makes it easy to understand how your model is working:
Calculated results and input data can be highlighted or displayed on the drawing
Alerts and warnings can be set up for calculated values
Calculated results can be presented in a customisable table of results and exported to MS Office

Benefits

Users can have complete confidence in the results
Reduces risk of human errors in calculations - essential when working with safety critical equipment
Allows engineers to be more efficient and productive
Provides a documented record of calculations for audit
Improves QA and standardises procedures by everyone using the same set of data and calculations

Factsheet

PEL ProvueDB

PEL ProvueDB is a simple but powerful document management system with process datasheets at its heart. Installed locally or accessed on the web, your data is available when you want it wherever you are.

The proper management of process engineering data is vital. QA processes for checking and approving ensure that datasheets, calculations, reports, sketches, and other design documents are correct. Revision control for modifications and updates ensure that the most up-to-date versions are used. Information on a datasheet must be linked to the calculations and data it is based upon.

Features

Heads-up display of your actions - what’s waiting for you to check and approve, what’s been rejected, and a list of the last 5 datasheets you’ve been working on
Full audit trail of what has been changed and why for every data item
Visual distinction between issued and revised data
Easy navigation between datasheets, calculations, sketches and other linked documents

Benefits

Ensures QA procedures are implemented easily and correctly every time
Manages revision control, and enforces checking and approving
Provides easy access to the latest design information from multiple locations so you are always working with the right information
Allows storage of your Word documents, Excel spreadsheets, Visio models, PEL calculations, and other files
Allows easy navigation between datasheets and the design calculations they are based on
Easily adapts and incorporates existing datasheets

Factsheet

PEL PEW – validated engineering calculations

PEL Logidraw – fault tree analysis

PEL PEW

PEL PEW saves design time and costs by bringing together a collection of important and frequently used chemical engineering calculations. There are calculations for fluid flow, heat transfer, mixing, and vessel calibration.

All the calculations have been verified and documented with extensive online help. The interface is presented in a standardised, easy-to-use format and the results can be displayed in tables and graphs.

Features:

Fluid flow calculations for compressible, incompressible and gravity flow; manifold & symmetrical T junctions; pressure drop through expansions/contraction; orifice and restrictor calculations; two phase flow regime
Compressible flow calculations are available in isothermal and adiabatic modes and are valid up to approximately 0.3 Ma.
Heat Transfer calculations for Heat Transfer Coefficient; Pipe Heat Loss; Vessel Heat Loss; Simple Heat Exchanger; Tank Solar Heating; Finned Tube Heat Transfer; Batch Heating and Cooling Times
Mixing calculations for Vortex Profile ; Table of Power Numbers ; Speed versus Power ;
Equipment.calculations for Vessel Calibration

Benefits

Users can have complete confidence in the results
Reduces risk of human errors in calculations - essential when working with safety critical equipment
Allows engineers to be more efficient and productive
Provides a documented record of calculations for audit
Improves QA and standardises procedures by everyone using the same set of data and calculations

PEL Logidraw

PEL Logidraw is an application for drawing fault and event trees.

Fault tree analysis involves drawing a logic diagram to show the logical links between certain failure (basic) events, such as operator error or component failure, and an undesired outcome (top) event, such as an explosion at an oil storage depot.

The diagram can then be used in two ways:

Qualitatively - to show the combinations of basic events sufficient to cause the occurrence of the top event

Quantitatively - to estimate the probability or frequency of an event

PEL Logidraw helps you create fault tree diagrams by adding each of the basic failure events as a series of inputs and then linking them using AND and OR logic gates. Each input can be quantified typically as a probability or a frequency, with the output of the final gate providing a frequency for the final (undesired) outcome.

Features

Visio based drawing tool for fault tree diagrams
Fully automatic left to right layout
Automatic checking of Logic validity
Automatic input sensitivity calculation
Copy, cut, move, and paste fault tree logic to any part of the Visio drawing. Then use the automatic ‘fix layout’ action to layout the diagram
Copy and paste any part of the fault tree logic into Word and most other Windows applications
Logic can be constructed on multiple pages

Benefits

A common fault tree that maximises the involvement of others and helps develop a correct hazard analysis
Saves time by eliminating tedious manual drawing and redrawing of fault trees as they are developed and modified
Hazard analysis is always logically valid because Logidraw allows only logically feasible combinations of events

Factsheet

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PEL software products

Range of licensing agreements

Contact Us

30 day free, no obligation trial

PEL PhysPack – fluid physical properties

PEL CAPRE – validated engineering calculations in Excel

PEL Adrian – compressible network flow

PEL Piper – two-phase fluid flow

PEL Flonet – incompressible network flow

PEL ProvueDB – datasheet management system

PEL PEW – validated engineering calculations

PEL Logidraw – fault tree analysis

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