About the Association

SHAPA has been the UK's leading specialist Association for the solids handling and processing industry since its formation in 1981. Our support and assistance has allowed our members to maximise their profitability, whilst taking advantage of the many benefits afforded by the Association.

Sizing of Explosion Relief Vents

David Burn - Fike UK LTD

This article is written such that it creates a better understanding on the how explosion vent relief sizing should be carried out; it will explain the formula used and show some examples. It is not intended to be a document that can be used for sizing as it is not possible to cover all applications and limitations and as such some limitations have been omitted. It is advised that the reader seeks specialist advice or uses certified software for the sizing process.


This article is written such that it creates a better understanding on the how explosion vent relief sizing should be carried out; it will explain the formula used and show some examples. It is not intended to be a document that can be used for sizing as it is not possible to cover all applications and limitations and as such some limitations have been omitted. It is advised that the reader seeks specialist advice or uses certified software for the sizing, which also incorporates specific details of venting efficiencies which should not be overlooked as these can greatly influence the relief vent area required as will be demonstrated later.

An explosion results from the oxidisation of a substance which release its energy in the form of heat when the chemical bonds break. The heat when enclosed in a sealed vessel creates pressure (ideal gas law e.g. P.V= n.R.T) and if the pressure exceeds the strength of the enclosure the stored energy (pressure) is released – this is what is seen externally as a direct consequence of a dust explosion. The sudden release of pressure can, if present disturb surrounding dust deposits within the building which in turn lead to catastrophic secondary explosions.

The amount of fuel and oxidant defines the amount and rate of heat generated. This information is important for people designing process protection as it is assumed that the explosion occurs under the worst case conditions. It should be noted that there are very few occasions where this basic assumption can be altered but this is discussed under “Special Dust Cloud Conditions”


Explosion venting of process equipment is one of the most frequently used methods to mitigate explosion risks in industry. The principle has been used for many years and, if applied correctly, works very well. This paper will look at the recent history of explosion venting and approach why some of the standards differ from one another along with guidance for designers and engineers on how to use and implement the standards.

The author is often asked the question; when I ask two people to size a vent to the latest standard why do I end up with two different answers and what is correct? The reason for this is will hopefully become clear during the article; if not then please contact me.

The foundations of the most widely used vent sizing methods can be traced back to “The Nomograph Method” which was created by Verein Deutscher Ingienieure (VDI) in 1979 and then adopted in the USA 1988 by the National Fire Protection Association (NFPA). This method is derived from large scale testing by Donat (1971) and Bartknecht (1978) along with some theoretical work by Heinrich (1974). This involved the product characterisation for rate of pressure rise and maximum pressure in a 1m3 test vessel. This product characterisation is known as Kst (K = constant and "ST" is from the German for dust, Staub) for the rate of pressure rise and Pmax for the maximum pressure generated. A third reference was also introduced then and this was Pstat the static opening pressure of the relief vent.

Over the years various modifications to the nomographs were made mainly by extending the range of applicability and eventually formula where produced in VDI 3673. It is the same basic formula that was used in VDI 3673, NFPA 68 and EN14491 up until 2007 when NFPA 68 decided to use a total different method. However the formula used the EN14491: 2012 is the same basic formula that VDI 3673 uses. It should also be noted that in circa 1989 the Institute of Chemical Engineers (IChemE) published nomographs and these are still available to be used in the UK where it can be proven it provides a higher level of safety or there is a case that “state of the Art” can be demonstrated in preference to using EN14491:2012.

The main “advances” have really been in understanding how to apply the formula to a specific application and this is where recently the standards specifically detail certain elements like;

It is often these elements that create the difference in the vent sizing from one person to another, hence the standards detailing precisely how to calculate them.

The use of computers for Explosion Vent Sizing:

As noted above, the European Standard and the German (VDI) standard use the same formula however there are a number of computer programs available that will size an explosion relief vent and they will (should) result in the same answer providing the same criteria (elements) are used. One of the major problems found is that the incorrect criteria are used e.g. incorrect volume, incorrect L/D ratio, incorrect vent location etc. To ensure that this is controlled it is vital that the sizing tool is validated by a third party, preferably a Notified Body, as this will ensure that for a given application the correct volume, L/D, vent location etc. are used for the calculation.

What is the Formula & how does it work?

Vent Area (m2), A = B (1 + C × log L/D)
B = [3.264x10-5 x Pmax x KSt x Pred,max-0.569 + 0.27 x (Pstat - 0.1) x Pred,max-0.5] x V0.753
C = (-4.305 x log Pred,max + 0.758)

The above equations are only valid for;

Enclosure volume (V): 0.1 m3 ≤ V ≤ 10,000m3

Static Activation Pressure (Pstat): 0.1 bar.g ≤ Pstat ≤ 1 bar.g (for Pstat <0.1bar.g use 0.1bar.g).

Maximum Reduced Explosion Pressure (Pred,max): 0.1 Bar.g < Pred,max ≤ 2.0 bar.g
Pred,max shall be at least equal to Pstat + 2 x vent burst pressure tolerance

Kst & max explosion pressure (Pmax):
5 bar ≤ Pmax ≤ 10 bar for a parameter of 10 bar.m.s-1 ≤ KSt ≤ 300 bar.m.s-1
5 bar ≤ Pmax ≤ 12 bar for a parameter of 300 bar.m.s-1 ≤ KSt ≤ 800 bar.m.s-1

Initial Process Conditions at the point of Ignition:

The above equations can only be used where appropriate measures (explosion isolation) have been taken to prevent flame propagation between interconnected enclosures to prevent pressure piling and flame jet ignition; these have dramatic influence to explosion characteristics such that they can be magnitudes more severe.

For values outside the above criteria venting may still be possible; seek professional advice. From the above formula you will note the reference to the volume (V) and L/D. These are fundamental in the calculation and therefore the standards control these in the following ways:

The volume is based on the volume that contains the hazardous atmosphere with the longest flame path and is referred to the effective Volume (Veff).

The L/D is calculated based on firstly the geometric shape of the vessel combined with the vent location, such that the diameter is based on the effective diameter using the flame path height and Veff; so for instance two examples below will give different vent area requirements based on the different location of the vent simply because the L/D ratio is different.

fig 1 and fig 2

Figure 1 – Cylindrical Enclosure – Top Vent Figure 2 – Cylindrical Enclosure – side vent

Veff = H.𝜋.r2 = 15.27m3

A eff = Veffh = 2.545m2

Deff = 2 . √(Aeff/𝜋) = 1.8mts

L/D = H/Deff = 3.33

Veff = H.𝜋r2 = 10.17m3

A eff = Veffh = 2.545m2

Deff = 2 . √(Aeff/𝜋) = 1.8mts

L/D = H/Deff = 2.22

Vent Area based (Volume = 15.27 m3, Pred, max = 0.5barg, Kst 150, Pmax 8.0barg is:

A = 0.94m2

A = 0.772

It is important to note that the L/D may be higher in the horizontal plane e.g. it is not always vertical and in such instances it is advisable to seek further advice from a suitably qualified person with the relevant experienc

Venting Efficiency

The formula are based on experimental test data that did not use proprietary explosion vents, typically they used kitchen foil or lightweight plastic sheeting. Even though proprietary explosion vents are considered to be lightweight they still have a mass. This mass dramatically affects the vent performance and this characteristic must be used when calculating the vent area. Explosion vents must be certified using EN 14797 – Explosion Venting Devices.

EN 14797 describes how the specific mass affects the venting efficiency as follows:

  1. For devices < 0.5kg/m² then the efficiency can be assumed to be 100%
  2. For devices 0.5kg/m² to 10kg/m² the efficiency is 100%, provided:
    1. A/v0.753 <0.07 (refer to EN14494). If >0.07 then the efficiency MUST be determined by testing – the efficiency will vary depending on the A/v0.753. More often than not it will be the case that the venting efficiency must be taken into account.
  3. For Devices >10kg/m² the device must be tested against a device of < 0.5kg/m² to determine its efficiency.

Therefore it is not possible to say that an explosion vent panel is 100% effective in all cases.

The calculated Required Area (A) is based on an assumed 100% venting efficiency and therefore if the vent efficiency after calculation/testing is less than the assumed 100% efficiency the actual efficiency needs to be applied to the Required Area (A) to give the Geometric Vent (Av).

Using the example above (A) =0.94m2 using a vent of 90% efficiency will require a vent area (Av) 0.94m2/0.9 = 1.045m2

The difference in the Required Area (A) and the Geometric Area (Av) may not appear to be significant however the influence it can have on the Reduce Explosion Pressure (Pred) often is significant

Application to different Type of Vessels

As discussed at the start, the volume and L/D dramatically influence the vent area requirements. From actual tests conducted on certain types of process vessels it is clear that credit can be taken for volumes in which no dust (explosible atmosphere) is expected. This is particularly useful when considering filters.

The protected volume of filters is therefore carefully controlled within EN 14994 in a similar way to NFPA 68:2007 such that the filter bag volumes (clean) space between the filter bags etc. can be removed from the protected volume as follows:

The size and spacing of the bags will determine how much volume you can deduct. If the space between the bags is greater than their radius, only the internal bag volumes can be deducted. However if the spacing between the bags is smaller, the total volume enveloped by the bags can be deducted. (i.e. bag volume + the volume in the spacing between the bags.). See the following table.


Internal obstructions of the vent area:

During an explosion event the pressure generated will be relieved through the explosion vent. This may result in any free-hanging filter elements being dragged with the pressure wave into the vent opening which will have a negative effect on the efficacy of the venting process. Where possible the vent should be located below the filter elements. When this is not possible the elements in front of the vents must be removed or retained (see diagram), to ensure an undisturbed venting process

It should be noted that in addition to the direct effect the filter elements have on impeding the venting process, general obstructions inside the vessel in can disrupt the flame front thus creating higher level of flame surface area thus more heat leading to increase in pressure, than would otherwise be expected. Therefore in vessels which have separate compartments/divisions or large obstructions it is advisable to seek advice from a suitably qualified person



Cyclones require some special attention due to the difficulty of locating the explosion vent. This is due to internal wall surfaces being critical to the efficient operation of the cyclone. If a panel was simply installed on the wall the cyclone may fail to create the required cyclonic air flow. Therefore the vents are typically installed on the top of the immersion pipe (the hat). This generates its own issues as this pipe is effectively an internal vent duct, which has a negative effect on the explosion venting. Therefore the dimensions of the immersion pipe (shown in the diagram) need to be accounted for and treated as a vent duct - details of this calculation are in section 4.0. Any taper in the bottom of the pipe must also be accounted for.


Special Dust Cloud Conditions

Silos, due to their large volume and method of filling etc. do not always have a homogenous explosible mixture throughout the complete volume. It is therefore possible to take this into account and EN14994:2012 provides a method of applying this when the silos are fed by gravity or pneumatically filled. Before implementing and using this as a basis of safety it must be first confirmed that all parameters are met and that inherent dust deposits cannot participate in the explosion – generally this should be undertaken under specialist advice.

Worked Example:

Dust Filter



1. Calculate the total volume:

Top Section = 1.55 x 2.95 x 1.25 = 5.72m3
Bottom section = (2 x (0.5x(0.625*0.75)) + (0.3x0.75)) x 2.95 = 2.05m3
Total volume = 2.05 + 5.72 = 7.77m3

2. Deduct the bag volume:

As the distance between the bags is greater than the bag radius (a>r), we can only deduct the bag volume from the total:

Bag Volume = 32 x ((π x0.12) x 0.75) = 0.75m3
Total Dirty Volume =7.77 – 0.75 = 7.02m3

3. Calculate the L/D factor

Calculate H = 0.75 (assuming vents will be installed underneath the lower bag level along the 2.95mt length )
Flame Volume Veff = 2.95 x 1.55 x 0.5 + 1/3(hopper volume) = 2.97m3
Flame Area Aeff = Veff / H = 2.97/0.75 = 3.96 m2
Eff. Diameter Deff = 2 x √ (Aeff / π) = 2.24
Calculate L/D = H / Deff = 0.75 / 2.24 = 0.33 (L/D≷1 so use L/D =1)

4. Calculate the vent area

Vent Area, A = B (1 + C × log L/D) :
B = [3.264x10-5 x Pmax x KSt x Pred,max-0.569 + 0.27 x (Pstat - 0.1) x Pred,max-0.5] x V0.753 B = [3.264x10-5 x 8.5 x 170 x 0.35-0.569 + 0.27 x (0.1 - 0.1) x 0.35-0.5] x 7.020.753

B = 0.3718
C = (-4.305 x log Pred,max + 0.758)
C = (-4.305 x log 0.35+ 0.758)
C = 2.7208

A = B (1 + C × log L/D)
A = 0.3718 (1 + 2.7208 × log 1)
A = 0.3718m2

With a venting efficiency of 85% this gives an actual Geometric Area (Av) = 0.44m2.
However if the vents are located on the end panel (1.55mts x 1.25mts) the area would be calculated as follows:

3b. Calculate the L/D factor

Calculate H = 2.95
Flame Volume Veff = 2.95 x 1.55 x 0.5 + 1/3(hopper volume) = 2.97m3
Flame Area Aeff = Veff / H = 2.97/0.75 = 3.96 m2
Eff. Diameter Deff = 2 x √ (Aeff / π) = 2.24
Calculate L/D = H / Deff = 0.75 / 2.24 = 0.33 (L/D>1 so use L/D =1)

Influence of explosion vent ducts

Explosion vent ducts influence the Pred,max in two ways. Firstly they offer a restriction to the flow of hot gases and unburnt fuel released through the vent – in the same way a pipe will restrict flow of water if the bore is reduced. However the second reason they influence the Pred,max prevents the use of oversizing the duct to compensate for the former effect. The unburnt fuel which is forced into the duct when the explosion vent opens ignites when the flame catches up with this fuel and creates a secondary explosion (high pressure/back pressure) inside the duct, which in turns slows the explosion venting process down in the main, protected vessel – increasing the duct diameter will enhance this effect and thus is not advised. The increase in pressure created by the acceptable duct design given in the standards can be calculated from the following equation.

P’red,max = Pred,max x (1+ 1.73 x (A x V-0.753) 1.6 x l )


l = the vent duct length in meters (m)
V = Vessel volume in cubic meters (m3)
A = Required vent area without the vent duct in square meters (m2)
P’red,max = the maximum reduced pressure in the vessel with the vent duct in bar.g

The vent duct should be designed so that it is not larger than the explosion vent and it must be straight or have a minimum curvature to radius< 2 and angle no more than 20o from the horizontal.

Important note:

The data used for developing the effect of explosion vent ducts is limited to small test vessels. Although EN14491:2012 specifies a maximum volume limit of 10,000m3 great care should be taken when designing explosion vents ducts for the protection of volume greater than 100m3. For this reason British Standards Institute (BSI) have added a forward to BSI EN 14491:2012.

External Effects

The relief of pressure from a process vessel into the atmosphere will firstly create a local increase in pressure external to the vent and a fireball. Both of these can be characterised using formula within the EN standard.
There are a number of restrictions to these predictions and as such it is recommended that specialist advice be sought



The 2020 winter edition of the SHAPA Supplement has now been released

With articles and information from across the industry, the new SHAPA Supplement is a must read to find out whats positive about our industry, open up the link today and keep upto date

2021 Solids Handling Industry Awards are NOW OPEN

The Solids Handling & Processing Association (SHAPA) are delighted to announce that the annual Solids Handling Awards to promote success and achievement across our collective industries, are now open to all companies registered in UK, whether SHAPA members or not, who are directly involved in the solids handling and processing industry. This exciting opportunity will comprise awards in four categories: the Innovation Award, the Export Award, the Newcomer Award and the SHAPA Company of the Year Award. The awards are open for applications from the 1st December 2020 the closing date for all entries is 28th February 2021for more information check out the link

Automation the next step

While organisations have had to realign their products and services to meet the restrictions imposed by the Covid 19 pandemic many have been faced with also having to quickly automate their systems and procedures to cope with the uncertainty in the labour market due to the continual changes in guidance from the authorities. One of the main ways to bring automation into the workplace is to enhance your existing control systems...

New Technical paper added - ATEX Fan Guide

ATEX fans are fans designed for use in potentially explosive atmospheres and are governed by EU Directive 2014/34/EU. This Directive is intended to increase safety by using a logical risk identification and mitigation method for design manufacture and use...

Returning to Normal

With the total lockdown released by the UK government and being replaced with a more targeted approach, UK and European organisations are starting to get back to working more productively. However, as the overall situation has not yet stabilised with new Covid spikes being found across Europe and the deepening crisis in the Americas, Middle East and India, exporting and importing is going to be significantly different going forward...


It is well established that the SHAPA membership comprises many exceptional companies in bulk materials handling and processing, their combined experience and knowledge amounting to a few centuries. All are merely a few “clicks” away on the SHAPA website www.shapa.co.uk . This is an invaluable resource for all project engineers and specifiers engaged in new projects, updating plant and installations, or simply looking for life extending efficient maintenance.
This leading resource is continually evolving with new technical papers being added all the time...

Zooming around the UK

With the lockdown starting to be released in the UK, Europe and the wider world companies are starting to get back to working productively. However, things are looking different going forward. With a vaccine that may be six to eighteen months away or not at all if you read some scientific journals new ways of working are needed to ensure that we continue to be profitable going forward.

Site visits, surveys and inspections in the wake of Covid-19 restrictions

The long term impact of the Covid-19 pandemic is looking to be widespread and lingering. With the repercussions of lock down, social distancing and furloughing staff likely to affect every industry in very different and unexpected ways...

SHAPA teams up with the LEV INDUSTRY FORUM

SHAPA as an integeral part of the LEV Industry Forum - Competency Working Group have together produced a LEV knowledge guidance matrix for key roles in the LEV industry highlighting the requirements for each role and where to find the appropriate information needed to fulfil the role. further information can be found on the The Chartered Institution of Building Services Engineers ( cibse) website link

SHAPA announces the winners of the 2020 Solids Handling Awards

This year the Solids Handling Industry Award Ceremony has been held using an online Zoom Platform, showing that despite the lockdown and the changes in working practices the SHAPA community continues to work together to develop new and exciting products, export all over the world, develop our young people and celebrate the successes of our industry. The winners of the 2020 Solids handing Industry awards are:-.....

Rob Berry

It is with great sadness that we report the death of our much loved and respected colleague and friend Dr Rob Berry after suffering a long battle with cancer. He will be remembered by the bulk materials handling industry for his great expertise in powder flowability and by his friends and colleagues for his kindness, patience and humour...

A message from Theo our Arkwright Student

I am trying to make the most of these difficult times by staying active and encouraging a positive mindset. Given my school has now closed, I will continue to to try to make the most of my education, and keep up to date with work my school have been providing me with online.
As an Arkwright scholar, and am taking advantage of any extra time to learn about engineering, and keep up to date with any new advancements made in engineering.
I hope everybody keeps well

SHAPA Announces the shortlist for the 2020 Solids Handling Industry Awards

2020 has once again been an excellent year for the Solids Handling industry with many successes in all areas of solids and material handling, all of the nominations for these awards show the strength and depth of the solids handling industry and we thank all the nominees for sharing their own successes...

Coronavirus letter from Shapa Chairman

Following the recent announcements regarding the current Coronavirus and its implications on travel and meetings, the SHAPA council have agreed to postpone the Annual AGM and Awards Dinner for this year until we feel that the situation has come under control and the advice from the government has been relaxed. We also intend to cancel face to face meetings until the advice changes, we are sure that within your own businesses you are taking similar precautions....

Annual Awards Dinner Cancelled

Due to the current situation regarding the Coronavirus outbreak, the council have agreed to cancel the Awards dinner which was due to take place on the 22nd April. arrangements are being made to carry on with the Awards presentations and AGM further details to follow

Health of the nation

The need for solid health and safety systems, procedures and practices are more important than ever as we move out of the European and Customs union into the wider world sometimes using the World Trade Organisation rules for the global market. While it is hoped that in time that the UK will negotiate reciprocal trade agreements with many of our trading partners throughout the world, there is a need to make sure we do not miss out on opportunities during this period of change....

Solids Handling Industry Awards

The 2020 Solids Handling Industry Awards Dinner is being held at the Brookland Museum in Weybridge on the 22nd April 2020. Dont miss out on the prestegious Black tie dinner with two free places for members, download the booking form today and guarantee your place. Download the booking form today  

12th Digital Marketing workshop details launched

Shapa are holding the 12 th Digital Marketing Workshop, this highly successful event helps keep pace with the latest developments in Digital marketing. The event is exclusively for member companies and covers, whats new in Digital Marketing, Google analytics, Online advertising, and your Digital Marketing Toolbox to name but a few of the areas to be covered...


Grinding out the right solution

Size reduction is one of the oldest processes known to man from before time when grains were pounded and ground to make flour. Size reduction machines still mill harvested materials but also a vast variety of other food, chemical, pharmaceutical and mined materials too...

Merry Christmas


2020 Solids Handling Industry Awards are now Open

The Solids Handling & Processing Association (SHAPA) are delighted to announce that the annual Solids Handling Awards to promote success and achievement across our collective industries,  are now open to all companies registered in UK, whether SHAPA members or not, who are directly involved in the solids handling and processing industry. This exciting opportunity will comprise awards in four categories: the Innovation Award, the Export Award, the Newcomer Award and the SHAPA Company of the Year Award...

Shapa Welcomes their new Arkwright Student

SHAPA Council Member James Podevyn and Ian Birkinshaw attended the Arkwright scholarship presentation event in Edinburgh to welcome our new Arkwright scholar Theo Cains to the Association


Explosion Safety Revisited

Over the past months The SHAPA technical committee have reviewed the information available and updated the advice given in the two publications within the SHAPA technical library available at https://www.shapa.co.uk/technical.php these being Compliance with Legislation Implementing the Atex directive and an Atex PowerPoint presentation....

Dust extraction systems

Wherever solid particulates are handled, processed, stored or are created, as a bi product of a process such as machining or finishing, dust is usually generated.
This dust needs to be controlled to prevent risks to health and environmental damage...

The New Shapa Supplement Now Available

Always in Control

Industry 4.0 is reported to be the next major revolution in industrialisation. The main focus is to take all the individual processes and systems that are used in manufacturing to manage and control production, and import them into a cloud-based system This allows the workflow, product changes and the management of each and every individual machine or a series of machines can be controlled remotely...

Sucess for Georgina

Georgina Edwards, SHAPAs Arkwright Scholar has sucessfully passed her A levels with flying colours and is now bound for Loughborough University to continue on with her studies. We wish her well in the future and pass on our congratulations and best wishes.

Shapa and Santander Trade Mission

Shapa has been working with Santander to help organise a World Food India 19 trade mission to take place on the 1- 4th November 2019, for more information please download the flyer here 

Materials in Motion

Most products at some stage of their life during production or manufacture, utilise materials in powder or granulated form. This is where the challenge can be for the designers of equipment and processes to move these types of materials from place to place, horizontally, vertically or somewhere in between. The conveyor or elevator designer must consider a multitude of parameters, probably more than twenty in their pursuit of the most effective solution....

SHAPA Announces the winners of the 2019 Solids Handling Industry Awards

Open and Shut Case

There are many types of valves used within the bulk handling industry for controlling, conditioning or diverting the flow of powders or liquids. There are three main types of valves, these being shut off, diverter and rotary valves.

Solids Handling Awards - Shortlist

2019 has once again been an excellent year for the Solids Handling industry with many successes in all areas of solids and material handling, these successes have produced a strong shortlist for each of this years award categories. This year the award categories are, Solids Handling Export Award, Solids Handling Innovation Award, Solids Handling Newcomer Award and Solids Handling Company of the year award. The shortlisted nominations for each award category are:-

Solids Handling Industry Awards Dinner

Bookings are now being taken for the 2019 Solids Handling Industry Awards evening. This year the awards are being held at the Royal Armouries in Leeds on the evening of the 8th May. Once again one delegate from each member company can attend the AGM and dinner free of charge, with additional delegates paying a nominal fee to cover the evening meal.   These awards are going from strength and this years nominations have been among the best that we have received. After the award presentations we will be entertained by local comedian Brian Newbold who comes highly recommended. There are still places available for this chance to celebrate the best in our industry and network with your friends and colleagues. Once again the dinner is open to members, their spouses, partners, customers and suppliers. So don’t miss out on this great opportunity just complete the booking form to guarantee your place   Please follow the link to download the AGM and Awards dinner booking form

Shapa Celebrates International Women's Day

SHAPA is proud to be involved with International Women’s Day on the 8th March to celebrate and promote successes in the world of Solids Handling and Processing. International Women’s Day provides a spotlight to showcase the commitment to women's equality, launch new initiatives and action, celebrate women's achievements, raise awareness, highlight gender parity gains and more.

See the Full story here

Magnetic Attraction

Most common manufacturing applications have a requirement for the use of Industrial metal detection systems for the inspection of bulk powders, granular or free flowing products. This is common place within the majority of most Food, Pharmaceutical and O.E.M applications where metal detection systems are used as part of a quality control programme.

Getting the Mix Right

The terminology ‘mixing’ and ‘blending’ is often grouped together as the same process, technically they are slightly different. The process of blending is the homogenous distribution of differing materials and is usually a relatively gentle process. Whereas mixing is usually a more aggressive process involving the combining of materials through the beating or stirring of the contents within a static vessel...

Safety of Machinery and CE Marking for Machinery workshop details launched

SHAPA are holding the workshop to give designers of machinery the knowledge and tools to design safe machinery in accordance with current Machinery and associated directives. it will also include a section on any implications as a result of the brexit agreements...

11th Digital Marketing workshop details launched

Shapa are holding the 11 th Digital Marketing Workshop, this highly successful event helps keep pace with the latest developments in Digital marketing. The event is exclusively for member companies and covers, whats new in Digital Marketing, Google analytics, Online advertising, and your Digital Marketing Toolbox to name but a few of the areas to be covered...

16th Jan 2019 Shapa General Meeting - Agenda

Agenda for the SHAPA General Meeting- Wednesday 16th January 2019 at 10:00 am

The George Hotel
WS13 6PR

1. Apologies for Absence
2. Minutes and Matters Arising
3. General Secretary’s and Membership Report
4. Chairman’s Report
5. Technical Committee Report
6. Marketing Committee Report

7. Coffee

8. Presentations

    Imagineering – A New project
    Bob Shanks - Imagineering Foundation

    Maximising your innovations
    Tony Cassidy- The MPA Group

9.   AOB – and dates of next Meetings
10. Buffet lunch

Merry Christmas

Christmas SHAPA

2019 Solids Handling Industry Awards are now open for nominations

Solids Handling Awards 2019

The Solids Handling & Processing Association (SHAPA) are delighted to announce that the annual Solids Handling Awards to promote success and achievement across our collective industries, that are open to all companies registered in UK, whether SHAPA members or not, who are directly involved in the solids handling and processing industry...

2019 Solids Handling Industry Awards open on the 1st December 2018

The 2019 Solids handling Industry awards are oepn form the 1st December 2018, the Catagories are Innovation, Export, Newcomer and Company of the Year. This year the Awards Ceremony will be held at the Royal Armories in leeds on the 8th May 2019. Don't miss out on these prestigious awards download the application form today.Tthe closing date for entries is the 28th Feburary 2019. 


As this year’s exhibition season is now ending it is very heartening to see that despite competition from other media, internet and so on, the physical exhibition remains an important marketing tool. Three of the exhibitions held this autumn, Recycled Waste Management (RWM), PPMA and BULKEX18 for Bulk Handling equipment providers and processors demonstrated the wide reach of our remit, from raw material production, via processing and manufacture, packaging and distribution through to final recycling and waste disposal...

Digital Marketing Workshop 2019

The date for the next Digital Marketing workshop has been announced as the 26th March 2019 at the East Midlands Hilton Hotel more details to follow.

Shapa General Meeting 24th October George Hotel Lichfield

IIntroduction to Bulk Handling Workshop

Shapa is running a new Introduction to Bulk Handling Workshop to be held at Nestle in york on the 4th December 2018. This workshop is specifically designed to take some of the mystique out of solids and bulk handling...The course which
is aimed at those who have just joined the bulk handling community and those who already work in the bulk handling industry in sales, marketing, accounts and operations etc. who feel that they need a deeper understanding of how
their products and services fit into the wider environment....

Better by Design

It is well known that an elegant design that works reliably is devoid of baulking obstructions and ambiguities and is simple to understand and operate. It is, of necessity, the result of ingenuity, experience, good applied science and engineering....

Safe to Breathe

For more than a century there have been efforts to improve air quality in the working environment, both in enclosed factories and other industrial areas. Even with scant knowledge of respiratory diseases it had been clear that people were more productive in a cleaner and better environment....


SHAPA announces the award catagories for 2019

The catagories for the 2019 Solids Handling Industry Awards have been Finalised, these are, Innovation, Export, Newcomer and Company of the Year. The presentation of the awards will be on the 30th April 2019. A venue will be announced shortly 


Hoppers, Silos and Storage Solutions

It used to be that all you needed to store your materials was a large area where your product could be piled high on top of its self out in the open air. As time has moved forward the need for more sophisticated storage solutions are required in order to safely store the ever-increasing range of bulk solid materials with their differing properties .....

SHAPA July General Meeting

The next SHAPA General meeting is on the 4th July at the George Hotel Lichfield download the agenda here


And the Winners of the 2018 Solids Handling Awards are:

Shapa's Arkwright Student posts her latest Blog

What an incredible experience competing at the National Finals of the F1 in Schools competition. Throughout 2 days of intense competition and jam packed action, Ginetta Racing Edu earnt the ‘Team Sponsorship and Marketing’ award, as well as being nominated for the ‘Pit Display’ and ‘Innovation’ awards, and having the second fastest car! Read the full article here

Promoting Success

Since time immemorial progress has been driven by innovation and invention and the desire to continually improve and better ones self. The desire to learn, improve and push at boundaries is an integral part of our nature. Whilst innovation in solids handling and processing seldom hits the headlines, it nonetheless drives the machinery of progress across an enormous range of industries.....


Shapa Announces the 2018 Solids Handling Shortlisted finalists

2018 has been an excellent year for the Solids Handling industry with many successes in all areas of Solids Handling, these successes have produced a strong shortlist for each of the award categories. this year the sortlisted entrys are ....

10th Anniversary Digital Marketing Workshop

Details of the 10th annual digital marketing workshop have been released,download the flyer for the event here and a booking form to make sure you do not miss out on this vital workshop which will give you the tools to improve your digital marketing profile

Health of the Nation

The need for solid health and safety systems procedures and practices is more important than ever as we move out of the European and customs union into World Trade Organisation rules for the global market read more here....

Only three weeks left to enter the 2018 Solids Handling industry awards - dont miss out

Learning to succeed

Many companies are founded on the back of an innovative idea by forward thinking people skilled in design, engineering, project management, marketing or other discipline. Whilst still small, the skills required to operate all aspects may possibly be gained by the founder. In former, less complicated times this may have been true as the firm expanded, but the pace of change of technology, standards and legislation as well as in marketing and particularly in financial accounting necessitates constant learning and improvement. The huge range of applications and processes served by our industry just adds to this challenge.....

Shapa's Arkwright Student posts her second Blog

Reaching the end of a very busy Christmas term, we have lots to look back on, such as assisting backstage with the school play and Christmas concert, as well as designing and manufacturing the F1 in Schools Car....

SHAPA January Meeting

The next General meeting will be held on the 24th January at the George Hotel in Lichfield starting at 10:00
Find out about OEE and GDPR, along with all the usual networking oppertunities.
for more details email Ian at info@shapa.co.uk and download the agenda

Applications are invited for the 2018 Solids Handling Industry awards

Shapa has launched the 2018 Solids Handling Industry awards, these awards are now open to all UK registered member and non member companies and institutions operating in the Solids Handling and Processing Industry. Application forms will be  available direct from the website from 01/12/2017 and winners will be announced and presented at the awards ceremony in the evening of 17th April 2018 more information is available in the link

2018 Solids Handling Industry Awards

Details of the award catagories and award launch date have been announced, for further information follow the link

Solids Dortmund 2018

Details have been released regarding the international Solids Handling show to be held in Dortmund on the 7th and 8th November 2018, for more information please follow the  link

CHoPS 2018

**Abstracts deadline extended to 22-12-17 ** for more information follow the link

Financial Awarness Training

This course has been especially designed for Shapa members and will include content specifically related to our industry

Who should attend ?
Anyone involved in driving their business forward e.g Managing Directors, Directors/Managers & Account Managers etc , whatever their level of financial knowledge. The workshop is designed to enable everyone to take away practical tips and strategic insight suitable to their skills and experience, whether you are a beginner, intermediate or advanced. So join us for and inspiring and enjoyable day out.

Download the detailedinformation and a booking form,today

If you can return these back to info@shapa.co.uk  as soon as possible so I can make the necessary arrangements and  if you feel that this course would help with someone in your close supply chain please feel free to include them.