Entries by Matt Coughlin


Where to Spend and Where to Save on Dust Collector Components

Regardless of your industry, business size, or region, keeping the air clean and your workers safe is a top priority. This is where dust collection systems come into play. They not only protect your employees from harmful carcinogens and health issues, but they keep your equipment running smoothly and your business compliant and out of the crosshairs of regulatory agencies. With those priorities in mind, it’s important to note that selecting the right parts for your dust collector is more than just looking at the price tag. Let’s dive into the art of making smart decisions – knowing where to invest and where to save when it comes to dust collector components.

Don’t Skimp on Filtration Efficiency

Before we get into the nitty-gritty of costs, remember that filter performance is the most crucial element of your dust collection system. Filters are like the guards at the gate of safety, health, and compliance, and their job should never be compromised. When it comes to dust collector filters, it’s about finding the right one for your application. It’s like cooking a good meal – you need the right ingredients. Once you find the right one, you have to make sure to replace them before they fail and damage your system. Read more: How often should filters be changed?

 It is very common for users to look for deals on filters – for example, replacing a high-efficiency nano cartridge filter with a cheaper 80/20 cartridge filter to save on cost. However, in this case the 80/20 cartridge offers roughly half of the filter area of a nano filter of the same size, meaning your system can now handle half of the air flow it was designed for! And the efficiency of the cheaper filter is much less – MERV 11 vs. MERV 15, so there is a good chance that you will be emitting much more dust than expected. Finally, the 80/20 filters will wear out significantly faster than the better filters. So it worth paying more for a better filter with longer life, better efficiency and better performance throughout your system? You bet! The total cost will be lower in the long run (see farther down).

Being Eco-Friendly Matters

Your duty is not only to your workers but also to the environment. In a world of strict rules, your choices should match the limits set for different types of dust. Some dust is just annoying, while others can be harmful. Sometimes, the law requires you to use extra-efficient filters, especially for hazardous dust. Knowing these rules helps you pick the right filter. Learn more about these regulations.

More Than Money: Considering Dust Particles

 Look beyond the cost and consider the characteristics of your dust. Is it fine or coarse? Is it combustible? Is it sticky? These things really matter when choosing the right filter. Some may think that obtaining the right filter is very expensive and may look for cheaper alternatives. Check here why this is a dangerous decision: Why Are My Baghouse Filters So Expensive?

The Real Costs: Total Cost of Ownership (TCO)

As any good supply chain professional knows, the up-front price tag doesn’t tell the whole story. There’s more to cost than just buying the item. TCO is a fancy way to say, “How much does this really cost over time?” It includes energy use, how often you change filters and cages, and other hidden expenses. E.g.: Using electricity costs money. Filters need air to flow through them, and that takes energy. But there are smart ways to save energy, like using special fans that don’t waste electricity. 

Money-Saving Options

One item that perfectly illustrates the difference between short-term cost and long-term savings is the use of VFD (variable frequency drive) fan controllers. A VFD allows the user to run their dust collector fan at a lower or higher rate to manage performance. Rather than simply flipping a switch and running your fan at full speed (think 40kW per hour), the fan motor will run at a lower rate, saving significant energy costs in the long
run. Generally, upgrading your fan controller to include a VFD will cost several thousand dollars, but this cost is easily recouped after a year of running your system more efficiently.

Energy Price Trend

Next Steps: Being a Smart Chooser

Remember, this is more than just a dust collector. It’s about keeping your workers safe, your equipment in shape, and your business running well. So, when you’re thinking about where to spend and where to save, remember that the journey to a better dust collection system goes way beyond just buying stuff. It’s about being smart, safe, and forward-thinking.

 Take a deeper dive into our dust collection blog for more helpful articles and insights. Let’s make your dust collection system the best it can be!



Contact Us to Speak to One of Our Baghouse Experts.


For more baghouse related training and information, be sure to check out our Baghouse Online Training page.

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How Does a Cyclone Dust Collector Work?

What is a Cyclone Dust Collector?

A cyclone dust collector (also referred to as a cyclone separator or simply a cyclone) is a device that is used to remove particulate matter from air or gas streams. It works on the principle of centrifugal force, which is generated by a rapidly rotating cylindrical chamber.

 Unlike a standard dust collector or baghouse that uses filters to collect dust from the air, allowing clean air to pass through, a cyclone dust collector uses centrifugal force and the  momentum of the dust-laden air to pull out heavier dust from the air stream. They are particularly effective for removing larger or non-uniform particles (strips and of wood, etc.) that might clog a cartridge or baghouse collector.

How Does a Cyclone Dust Collector Work?

Cyclone Dust CollectorHere’s how a cyclone dust collector works:

  1. Dust-laden air or gas enters the cyclone dust collector through an inlet and is directed into a cylindrical chamber.
  2. The chamber is designed to cause the incoming air or gas to spin around its axis. This creates a centrifugal force, causing the heavier particles to move towards the outer walls of the chamber and eventually drop out and settle at the bottom of the collector.
  3. The clean air or gas then exits the collector through an outlet located at the top of the chamber.
  4. The collected particles are collected in a hopper at the bottom of the collector, where they are typically discharged into a bin or other dust discharge method.

Animated GIF of a dust in a cyclone separator

When is a Cyclone Separator Needed?

Cyclone dust collectors and baghouse dust collectors are both effective at capturing and removing dust particles from industrial processes, but they are best suited for different applications.

Cyclone dust collectors are typically used for applications that generate large volumes of coarse and heavy dust particles, such as sawdust, wood chips, metal shavings, or granular materials. Cyclones are effective at removing these large particles due to their use of centrifugal force, which causes the particles to be separated from the air stream and collected in a hopper or bin. Cyclones are also relatively simple to operate and maintain, with low maintenance requirements and operating costs.

Baghouse dust collectors, on the other hand, are best suited for applications that generate large volumes of fine and light dust particles, such as welding fumes, chemical dusts, or pharmaceutical powders. Baghouses use a series of fabric filter bags or cartridges to capture the dust particles as they pass through the system. Baghouses are effective at capturing these fine particles due to their high filtration efficiency, which can exceed 99%.

In general, cyclone dust collectors are preferred over baghouse dust collectors for applications where the dust particles are relatively large and heavy, and where the process generates high volumes of material. Baghouse dust collectors are preferred for applications where the dust particles are fine and light, and where high filtration efficiency is required.

Often, a cyclone separator is installed in front (upstream) of a baghouse or other dust collector. The cyclone to remove the heaviest dust particles and the dust collector catches the finer dust. This has the benefit of lowering the dust load on the collector and removing large, sticky, or high-temperature particles before the dust-laden air reaches the collector, improving efficiency and filter life and avoiding the clogging of filters with large dust particles.

Cyclone separator upstream of a baghouse.

Cyclone dust collector upstream of a baghouse dust collector.

However, it is important to consider the static pressure loss of adding a cyclone separator into the air stream as it will increase the required load on the system fan.

It is important to consider the specific requirements of each application when selecting a dust collector to ensure that the system will provide effective dust collection while minimizing operating and maintenance costs.

Are There Different Types of Cyclone Collectors?

Yes, there are different types of cyclone dust collectors, each designed to suit specific applications and operating conditions. Here are a few variations of cyclone dust collectors:

  1. Single-cyclone dust collectors: This is the most basic and common type of cyclone dust collector. It consists of a single cyclonic chamber where the dust-laden air enters and undergoes centrifugal separation. The heavier particles settle at the bottom of the collector, while the cleaned air is discharged.
  2. Multiple-cyclone dust collectors: In this configuration, several cyclone chambers are arranged in parallel or series to achieve higher collection efficiencies. Multiple cyclones increase the surface area available for particle separation, improving the overall dust collection efficiency.
  3. High-efficiency cyclones: These cyclone dust collectors are designed with enhanced geometries and optimized airflow patterns to achieve higher separation efficiencies. They often incorporate modifications such as tapered inlets, vortex finders, and secondary air injection to enhance particle separation and reduce pressure drops.
  4. Reverse-flow cyclones: Reverse-flow cyclones, also known as reverse-flow dust collectors, operate in a reverse flow direction compared to traditional cyclones. The clean air is directed upward through the cyclone chamber, while the dust particles are collected in a downward flow. Reverse-flow cyclones are particularly useful in applications where the collected material is sticky or prone to re-entrainment.
  5. High-temperature cyclones: These cyclone dust collectors are specifically designed to handle high-temperature applications, such as those found in industrial processes involving hot gases or exhaust streams. High-temperature cyclones are constructed with materials that can withstand elevated temperatures and are equipped with proper insulation and cooling mechanisms.


Interested in Purchasing a Cyclone Dust Collector?

Contact Us to Speak to One of Our Baghouse Experts.


For more baghouse related training and information, be sure to check out our Baghouse Online Training page.

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Complete Guide to Dust Collection Compliance: Meeting Regulatory Requirements and Ensuring Workplace Safety

Meeting Regulatory Requirements and Ensuring Workplace Safety Contents Introduction: The Importance of Dust Collection Compliance Occupational Safety and Health Administration (OSHA) Regulations OSHA’s Combustible Dust National Emphasis Program (NEP) Understanding Combustible Dust Hazards National Fire Protection Association (NFPA) Standards Dust Hazard Analysis (DHA): Identifying and Mitigating Risks Designing Dust Collection Systems for Compliance Emissions Monitoring […]

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How Often Should Baghouse Filters Be Changed?

How Often Should Baghouse Filters be Changed?

One of the most common questions we hear is, “How often do I need to change my baghouse filters?” The most accurate answer is – it depends. However, as that is not the answer you were hoping for, here is a general rule to help you estimate filter life:

In general, baghouse filters have a useful life of 1-3 years.

This is an average range for most filters in the most common applications where the dust load is not extremely heavy, and the gas stream and dust is not hot, abrasive, wet, acidic, etc. All of these factors will affect filter life.

A properly sized dust collector with plenty of filter area, collecting room temperature dust, running one shift, properly maintained, may only need the filters changed every three years. An undersized collector, run continuously for 24 hours per day, collecting an abrasive dust (silica dust, metal shavings, etc.) at elevated temperatures will certainly require filter changes more often, perhaps as often as monthly in some cases.

Why Do Baghouse Filters Need to Be Replaced?

The most common mechanisms for filter failure are:

Broken Baghouse Filter

This bag filter has a hole due to wear.

  • Blinded filters that no longer filter dust
  • Sparks/embers that burn small holes in the filter material.
  • Wear damage caused by the filters rubbing against each other or the metal cages (improperly maintained cages).
  • Temperature spikes that cause the baghouse temperature to exceed the filter design temperature.
  • Chemical attack on the filters.
  • Improperly installed filters.

Any of these reasons for failure result in leakage – dust making it past your filters and into the clean air stream. If the filters fail, dust will be released into the atmosphere or back into your building, depending on your system. This is obviously bad, as it means the dust collector is no longer doing its job.

How do I Know When my Filters Need to be Replaced?

There are a few ways to evaluate your filter condition, and some indicators that your filters need to be changed:

  1. Visual Inspection: Take a look at your filters and look for holes, rips, or signs of dust leakage. Look inside the clean air plenum in your dust collector – if there is any dust present, it is possible that one or more filters are leaking and require replacement.
Baghosue UV Leak Test

UV Leak Test Identifying a Leaking Filter

  1. Visible Emissions: If your filters are working properly dust will be filtered out and only clean air will be visible coming out of the fan exhaust. If there is dust visible, you have a leak.
  2. Differential Pressure: Over time as your filters accumulate dust, your differential pressure gauge will creep upward. When your pulse jet, reverse air, or shaker system activates to clean your system, you should see the DP go down. If your filters are blinded the DP will remain high, meaning the filter cleaning system is no longer effectively clearing dust from your filters – it is time to change your filters. As a general rule, if your DP gauge reads greater than 6 in. WG your filters may be blinded. (Click here to learn more about pressure gauges).
  3. Leak Sensors: Leak sensors are available to detect broken filter bags downstream of the dust collector. A leak test can be used to identify a specific filter that is leaking. (Click here to learn more about broken bag detectors).


Have More Filter Questions? Contact Us to Speak to One of Our Baghouse Experts.


For more baghouse related training and information, be sure to check out our Baghouse Online Training page.

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How Does a Magnahelic Gauge Measure Baghouse Performance?

A Primer on Pressure Gauges for Dust Collection Systems


How Differential Pressure Gauges are Used in Dust Collection Systems
How to Use a Magnahelic (Differential Pressure) Gauge to Measure Dust Collector Performance
     What is the Expected Range of Static Pressure Drop Across a Baghouse?
     Can Static Pressure Drop be “Too Low”?
How to Select a Differential Pressure Gauge
Integrated Differential Pressure Gauges
Magnahelic vs Photohelic Gauges
How are Flow Sensors Used to Measure Dust Collector Performance?
Pressure Gauge Maintenance
Purchasing a Differential Pressure Gauge

How Differential Pressure Gauges are Used in Dust Collection Systems

Magnahelic Gauge

Standard 0-15 in WG Magnahelic Differential Pressure Gauge

When inspecting or evaluating a dust collector (baghouse, cartridge collector, etc.) or dust collection system, you will see various gauges installed at different locations in the system. These sensors are in place to help you monitor and control the performance of the system. The most common gauges you will find are:

  • Differential pressure gauge: Often referred to as a Magnahelic Gauge (Magnahelic is a specific brand name, but many people refer to all DP gauges as ‘Magnahelics’), a differential pressure gauge is typically installed on or adjacent to the dust collector. It measures the pressure drop across the filters in your dust collector. The gauge consists of two pressure ports that are connected to either side of the filters. As dust accumulates on the filters, the pressure drop across them increases. The differential pressure gauge measures this pressure drop and provides a reading that indicates when the filters need to be cleaned or replaced. This helps to maintain the efficiency of the dust collector and prevent damage to the system. It is also a useful metric to track daily, weekly, and monthly to monitor the health of your filters and filter cleaning system.
  • Static pressure gauge: A static pressure gauge may be installed at various points in the ductwork of a dust collection system to measure the static pressure of the system. By monitoring the static pressure at different points, operators can identify areas of the system that may be causing airflow restrictions or problems with the system. This can help to diagnose issues with the system and optimize its performance. You will also likely see a standard pressure gauge on your compressed air line if using a pulse jet style dust collector.
  • Flow sensor: A flow sensor is typically installed in the ductwork of a dust collection system to measure the airflow rate of the system. The sensor typically consists of a probe that is inserted into the ductwork, and it measures the velocity of the air passing through the duct. By combining this measurement with the cross-sectional area of the duct, the flow sensor can provide an accurate measurement of the airflow rate. This information is useful for optimizing the performance of the system and maintaining a safe working environment for operators. Flow sensors are less common with simple dust collection systems but are an inexpensive way to ensure your airflow stays within range.

How to Use a Magnahelic (Differential Pressure) Gauge to Measure Dust Collector Performance

The static pressure drop measurement is a critical parameter in assessing the performance of a dust collector because it provides real-time information about the condition of the filter and the overall efficiency of the system. As the filter accumulates more dust particles, the static pressure drop increases, which reduces the airflow and negatively impacts the dust collector’s performance.
If you watch the gauge for a few minutes, you will see the differential pressure slowly rise as dust accumulates on the filters. When the pulse jets fire (you will hear the blast of compressed air), you will see the pressure drop as the dust cake is knocked off the filters by a blast of compressed air, allowing more air flow through the filters.
By monitoring the static pressure drop over time, maintenance personnel can determine when it is time to clean or replace the filter to maintain optimal performance. Regular monitoring of the static pressure drop also helps identify any unexpected issues with the dust collector’s design or operation that may be causing excessive filter clogging or decreased airflow.

What is the Expected Range of Static Pressure Drop Across a Baghouse?

The expected range of static pressure drop (also referred to as differential pressure, or “DP”) across a baghouse dust collector can vary depending on several factors, including the type of baghouse, the type of filters used, the airflow rate, and the properties of the dust being collected.
Generally speaking, a static pressure drop of 3-6 inches of water column (WC) is considered normal for a baghouse dust collector. However, the pressure drop can range from as low as 1 inch WC to as high as 10 inches WC or more, depending on the specific operating conditions and the design of the baghouse.
For a cartridge collector, generally a static pressure drop (or “DP”) of 1-4 inches of water column (WC) is considered normal. A DP higher in the 5-6 inches or higher range is a good indicator that the filters are clogged (or “blinded”) and need to be changed. Some manufacturers design their collectors for a higher differential pressure, so check your manual to be sure.

Collector Type Normal DP (differential pressure) Range
Baghouse Collector 3-6 inches WG
Cartridge Collector Or Baghouse with Pleated Filters 1-4 inches WG
Expected Range of Static Pressure Drop Across a Baghouse

Can Static Pressure Drop be “Too Low”?

After a filter change, you will notice that the static pressure drop indicated on your gauge starts very low. You may also notice that the filters do not immediately capture all dust. This is normal. Over time (an hour or so depending on filter type and dust load), the filters will accumulate a “dust cake”, which allows the filters to efficiently capture dust. This is known as “seasoning” the filters. After this seasoning period, you will notice the DP increase to normal operating range.
If you notice a sudden drop in differential pressure, it could be an indicator of a leak or a broken bag or filter. This is another good reason to check your Magnahelic gauges daily, so you gain an understanding for the normal range for your dust collector.
Most issues that affect your dust collection system (full hopper, broken filter, blinded filters, non-functional pulse jet cleaning system, etc.) will be noticeable as an anomaly in the differential pressure gauge reading, so it is very important that your daily maintenance schedule includes a check of the differential pressure gauge.

How to Select a Differential Pressure Gauge

When selecting a static pressure gauge for a dust collector, there are several factors to consider to ensure accurate and reliable measurements:

  • Gauge type: There are different types of static pressure gauges available, including mechanical, electronic, and digital. Mechanical gauges are the most common and are relatively inexpensive, but they can be less accurate than electronic or digital gauges. Electronic and digital gauges offer better accuracy and precision, but they can be more expensive.
  • Pressure range: Choose a gauge that has a pressure range that covers the expected operating range of the dust collector. It is important to ensure that the gauge can accurately measure the expected static pressure drop across the filter. The pressure range is typically indicated on the gauge or in the product specifications. Most dust collectors should have a 1-10 in. WG pressure range.
  • Accuracy: The accuracy of the gauge is an important consideration. A higher accuracy gauge will provide more precise measurements and help ensure that the dust collector is operating at optimal performance. The accuracy of the gauge is typically indicated in the product specifications.
  • Display: Choose a gauge with a clear and easy-to-read display. This is especially important if the gauge will be monitored regularly.
  • Durability: The gauge should be durable enough to withstand the conditions of the environment in which it will be used. For example, if the dust collector operates in a harsh or corrosive environment, choose a gauge that is designed for such conditions or locate the gauge remotely where it can be installed without being exposed to the harsh environment.
  • Installation: Consider how the gauge will be installed in the system. Some gauges require mounting on a panel, while others can be installed directly into a pipe or duct.

Integrated Differential Pressure Gauges

Many dust collector companies including Baghouse.com offer dust collector controllers that include integrated DP gauges. Pulse valve cleaning systems can often be set to “clean on demand”, which means the pulse valve controller senses the differential pressure and only fires the pulse valves when the DP reaches a set value. This is a more efficient mode than simply cleaning on a timer, as it uses compressed air only when needed. Many of these controllers have a digital readout to display the DP value.

Turbo controller with integrated differential pressure sensor

Turbo Controller with Integrated Differential Pressure Sensor

One limitation to controllers with integrated pressure sensors is heat. If your application will expose the controller to temperatures greater than 120F, the heat may cause your controller’s pressure transducers to fail prematurely. In these rare cases, we recommend locating the controller in a remote location that is shielded from extreme heat.

Magnahelic vs Photohelic Gauges

Magnahelic Gauge Installed on a Baghouse

Magnahelic Gauge Installed on a Baghouse

Magnahelic gauges and photohelic gauges are both types of differential pressure gauges commonly used in HVAC and dust collection systems. While both gauges measure the difference in pressure between two points, there are some differences between the two types of gauges.
Magnahelic gauges are mechanical gauges that use a spring-loaded diaphragm to measure pressure differences. The diaphragm is connected to a pointer that moves over a scale to indicate the pressure difference. Magnahelic gauges are rugged, reliable, and relatively inexpensive, but they are not as versatile as photohelic gauges, as they do not provide flow rate readings.
On the other hand, photohelic gauges are electronic gauges that use a light beam and a photodiode to measure pressure differences. The photodiode detects the amount of light that passes through a transparent diaphragm that is deflected by changes in pressure, and the gauge converts the light readings into a pressure reading. In addition to measuring pressure differences, photohelic gauges can also provide flow rate readings by using a built-in flow guide that directs the airflow through the sensing element.
Another significant difference between magnahelic and photohelic gauges is the display. Magnahelic gauges typically have an analog display that shows the pressure difference using a pointer and a scale, while Photohelic gauges have a digital display that shows the pressure and flow rate readings in real-time.
Choosing between a mechanical or photohelic gauge will depend on your budget and your application. If you plan to connect your pressure gauge to a computer system or HMI (human machine interface) in a control room, you will likely select a photohelic gauge which can output the sensor readings via an electric output.

How are Flow Sensors Used to Measure Dust Collector Performance?

A flow sensor is another commonly used instrument to measure the performance of a dust collector. Unlike a static pressure gauge that measures the resistance to airflow caused by the accumulation of dust particles on the filter, a flow sensor measures the actual airflow rate through the dust collector.
The flow sensor is installed in the duct or pipe that carries the air from the dust collector, and it measures the volume of air passing through it per unit time. By measuring the airflow rate, the flow sensor can provide information about the efficiency of the dust collector and identify any problems that may be impacting performance.
Typically flow sensors are connected to a Magnahelic type pressure gauge. The user must correlate the pressure gauge reading to the cross sectional area of the duct to calculate a flow reading. Once this initial math is done, set point for the pressure gage can be established so maintenance staff can check the reading daily/weekly and note if the pressure is outside the expected range, indicating a blockage or leak in the duct, or some other anomaly that needs to be fixed before it causes a major problem.

Pressure Gauge Maintenance

Maintaining your gauges is fairly easy. Once a week, the pressure tubes running to the gauge should be disconnected and cleared out with compressed air to ensure a good reading.

Not sure if your gauge is reading correctly? Disconnect one tube at a time. When the low pressure side is disconnected, your DP reading should jump. When the high pressure side is disconnected, the DP reading should go to zero. If you disconnect a pressure tube and the DP reading doesn’t change, it is likely that one or both of the pressure tubes has as leak or is plugged.

Purchasing a Differential Pressure Gauge

Baghouse.com sells all types of dust collection system parts and components, including differential pressure gauges for all applications.
For pricing, please Contact Us and we will provide you a quote and answer any questions you may have.


For more baghouse related training and information, be sure to check out our Baghouse Online Training page.

Purchasing Filters & Cages: Inventory Management for Dust Collection System Parts

Purchasing Filters & Cages: Inventory Management for Dust Collection System Parts

A Quick Guide for Purchasing Professionals

Purchasing consumable parts for industrial systems like filters and cages for a baghouse dust collector can be a challenge. Part of the job of a purchasing professional, supply chain manager, or material planner is to ensure there are enough parts on hand so they will be available when needed, while minimizing inventory and expedite costs.

You certainly don’t want to wait until your dust collector goes down due to a damaged filter or a required changeout to go out and try to purchase filters and cages – lead times can vary wildly (up to 16 weeks for some specialty items) due to global raw material availability, supply chain issues, and the general demand for your item. Ensuring your supply of parts comes down to inventory management.

Every supply chain professional understands the basic concept of inventory management and safety stock, but how should you ensure you have the correct inventory for your dust collection system parts (generally, filters and cages)?

Here’s a general process that you can follow:

  1. Determine the standard lead time: Lead time is the time it takes for the supplier to deliver the part after you place an order, and this is a critical variable. You can ask Baghouse.com for the lead time or use historical data if you have it.
  2. Analyze demand: Analyze the historical demand for the part to understand how much the demand for filters fluctuates. This analysis will help you determine the average demand rate, the variability in demand, and the peak demand periods.
  3. Determine the reorder point: The reorder point is the inventory level at which you need to place an order to avoid stock-outs. The reorder point can be calculated as:

Reorder Point = (Lead Time x Average Demand) + Safety Stock

The safety stock is the additional inventory that you keep on hand to cover unexpected demand or supply chain disruptions.

Inventory reorder points

  1. Calculate the economic order quantity (EOQ): The EOQ is the optimal order quantity that minimizes the total inventory costs, including ordering costs and holding costs. The EOQ can be calculated as:

EOQ = sqrt((2 x Annual Demand x Ordering Cost) / Holding Cost)


  • Annual Demand is the total demand for the part in a year
  • Ordering Cost is the cost of placing an order, including processing and transportation costs
  • Holding Cost is the cost of holding inventory, including storage, insurance, and obsolescence costs
  1. Determine the reorder frequency: The reorder frequency is how often you need to place an order to maintain the appropriate inventory level. The reorder frequency can be calculated as:

Reorder Frequency = Annual Demand / EOQ


  1. Review and adjust regularly: It is essential to review and adjust the inventory level regularly (ideally quarterly, but at least yearly) based on changes in demand, lead time, and supply chain risks. Regular reviews will help you ensure that the appropriate level of inventory is maintained to meet demand and minimize inventory costs, and you are never left scrambling to find a part you need.

Would you like help understanding current lead times for your filters, cages, and other dust collection system parts?

Contact Us Today to Talk to One of Our Baghouse Experts.