What are the standard dimensions (outer diameter and height) of dust filter cartridges?

Unlike filter bags,which are generally custom-made to fit a specific collector,dust filter cartridges are manufactured in a range of standardized sizes to fit common industrial equipment.However,there is no single universal standard;instead,the industry recognizes several common diameters and heights that have become typical due to widespread use by major equipment manufacturers.

Common Outer Diameter Standards

The outer diameter(OD)of a filter cartridge is a primary dimension that must match the tube sheet and housing of your dust collector.While cartridges come in many sizes,you will frequently encounter the following diameters:

Small Diameter(approx.4.9"to 8.6"/125 mm to 220 mm):These are often used in smaller,portable dust collectors,vacuum conveyors,or specific applications requiring a compact footprint.Examples include cartridges with an OD of 126 mm for vacuum conveyors or 185 mm for general-purpose units.

Medium Diameter(approx.12.8"to 13.9"/324 mm to 352 mm):This is one of the most prevalent size ranges for industrial cartridge collectors.The 324 mm(approx.12.75")diameter is a very common standard,used by numerous manufacturers for a wide variety of applications,from welding fume extraction to mining.

Large Diameter(approx.15"to 34"/380 mm to 864 mm):Larger diameter cartridges provide significantly more filter area per element.They are used in high-airflow applications or in collectors designed to minimize the number of filter changes.Some heavy-duty cartridges can have outer diameters as large as 34 inches.

Common Height Standards

The height(or length)of a cartridge,combined with its diameter,determines the total filtration area.Standard heights are often tied to the diameter to achieve specific performance characteristics.Common lengths you will find include:

Short Cartridges(approx.7.9"to 22"/200 mm to 560 mm):These are typical for compact collectors,vacuum units,or applications with limited headroom.

Medium Cartridges(approx.26"to 28"/660 mm to 710 mm):The 660 mm(approx.26")and 710 mm(28")lengths are very common standards,frequently paired with 324 mm diameter cartridges to create a workhorse element for general industrial dust collection.

Tall Cartridges(approx.34"to 40"/864 mm to 1016 mm):Taller cartridges,such as 34-inch(864 mm),36-inch(914 mm),and 40-inch(1016 mm)versions,are used to maximize filter area in a single element,reducing the number of change-outs required for large air volumes.

Understanding the Variability

It is crucial to understand that these dimensions are"standards"only in the sense that they are commonly produced and used.There is no single governing body that mandates these sizes.Instead,they have evolved based on the designs of major dust collector original equipment manufacturers(OEMs).As a result,a cartridge from one manufacturer's collector is often not directly interchangeable with another's without careful verification.

The tables and specifications provided by manufacturers show a wide matrix of possible dimensions,materials,and features,all designed to solve specific filtration challenges.Therefore,the correct approach is to identify the specific model of your dust collector and then select a replacement cartridge that matches its required outer diameter,inner diameter,height,and mounting style.

GB/T 7714：

LI X,WANG L,CHEN H.Effects of the Overall Length and OD on Opposing-pulse-jet Cleaning for Pleated Filter Cartridges[J].Aerosol and Air Quality Research,2020,20(1):198-208.

MLA 9th：

Li,Xiang,et al."Effects of the Overall Length and OD on Opposing-pulse-jet Cleaning for Pleated Filter Cartridges."Aerosol and Air Quality Research,vol.20,no.1,2020,pp.198–208.

APA 7th:

Li,X.,Wang,L.,&Chen,H.(2020).Effects of the overall length and OD on opposing-pulse-jet cleaning for pleated filter cartridges.Aerosol and Air Quality Research,20(1),198–208.