Quality Management

PTFE Membrane HEPA Filter - Industrial Vacuum Cleaner

Pulse-Bar Vacuum Vacuum Filter Conical Filter for Self Cleaning Industrial Vacuum

Industry: Industrial Vacuum/Dust Collection
Application: Surface Preparation Equipment

An OEM of industrial vacuum cleaners contacted APC regarding problems encountered with cylindrical filters that frequently plugged up in heavy dust loading conditions, resulting in a loss of vacuum suction. Frequent filter cleaning was required and on-site filter changing took significantly longer than anticipated, resulting in work downtime.

APC engineered designed several filter concepts for approval of a new patented filter design. 

APC performed a comprehensive analysis of all dust types the filters would be subjected to. Many dust types were submicron, hydroscopic and varied in shape. APC determined a HEPA filter with a minimum filter efficiency of 99.97% @ 0.3 micron was required however standard glass fiber HEPA media was too fragile to handle abrasive dusts and the vacuum’s built in reverse air cleaning. APC selected a PTFE membrane capable of providing 99.97% @ 0.3 micron along with a pleatable substrate filter media to laminate the PTFE membrane to. This filter media combination provided durability to handle abrasive dusts and continuous self cleaning.

APC also replaced the existing cylindrical filter to a conical design that increased dust removal from 35% to 100%.
To reduce filter change out downtime, APC designed a threaded spin on top cap for fast and easy filter installation and removal. 

APC’s new filter design proved to be a flagship feature in every model of their industrial vacuums today.

To learn more about this project, or about our other products and services, please contact APC Filtration, Inc.

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Custom Manufactured HEPA Filter Specifications:

Product Description Conical Filter Design for Self Cleaning Industrial Vacuum
Filtration Efficiency Capabilities
MERV Rating ASHREA 52.2-2007 BS EN779:2002
60 - 65%
70 - 75%
80 - 90%
90 - 95%
F6 - 60-80%
F6 - 60-80%
F7 - 80-90%
F8 - 90-95%
F9 - >95%
BS EN1822:2009 IEST RP-CC001.5 - (0.3 µm)
E10 (formerly H10)
E11 (formerly H11)
E12 (formerly H12)
EN1822-5:2009 IEST RP-CC001.5 - (0.12 µm)

Custom designed filters to meet any filtration efficiency

Filter Frame Sizes Custom frame sizes available at additional tooling charge
Custom frame sizes available in any size or shape.
Frame Materials Plastic - high impact ABS, PVC, PS and custom molded or extruded profiles as required.
Metal - extruded aluminum, 22g and 24g galvanized metal, roll formed in any gauge as required.
Wood - plywood and special MDF
Minimum Order Quantity (MOQ) Custom Design - 100 pcs (plus any applicable tooling)
Delivery Time Production: 3- 4 weeks
Tooling: 10 to 12 weeks
Delivery Location FOB: Manufacturing & Warehouse Locations
Ancaster, Ontario Canada
Buffalo, New York, USA
Rancho Dominguez, California, USA
Port of Shanghai, China
Quality Management System ISO 9001:2008
Laboratory Testing Capabilities

U shaped Duct Testing to ASHRAE 52.2 and EN779 standards.

LMS2000 the most accurate test system for HEPA and ULPA Filters.

Horizontal Duct Testing to ASHRAE 52.1 and old EN779 Standards for Dust Spot Efficiency, Arrestance and Holding Capacity.

Maximum Panel Filter size for test lab = 72" x 24" x 24" deep.
Maximum Radial Filter size for test lab = 48" diameter x 24" deep.

Product Design & Graphic Software Capabilities Solidworks 3D Design
AutoCAD 2D
Adobe Illustrator
Other Applications for Panel Filters
Air Atomization
Air Compressors
Air Purifier Equipment & Appliances
Appliances, Industrial, Commercial & Domestic
Automotive Equipment
Biological Equipment
Containment Systems
Dental Equipment
Disaster Recovery Ventilation Equipment
Dust Collector Equipment
Food & Beverage Manufacturing
HazMat Equipment
Hospital Equipment
Infection Isolation Rooms, Surgical Suites
Medical Appliances & Equipment
Pharmaceutical Equipment & Production
Photo Film
Protective Environment Rooms, Airborne
Research Facilities
Sensitive Processes
University Laboratories
Vacuum Cleaners - Industrial

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