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Downdraft Tables | Denray Machine Inc.
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  • HOME
  • CARTRIDGE FILTER CLEANERS
  • PRODUCTS
    • WOOD, PLASTICS, & COMPOSITES
      • CARTRIDGE FILTRATION
      • TUBE FILTRATION
      • LINE SHAFT
      • Blow-off Backdraft
    • METALS
    • BOOTHS
    • OVERHEAD UNIT
    • DUST FUNNEL
    • CUSTOM
  • IN STOCK
  • CONTACT
  • RESOURCES
    • VIDEOS
    • INSTRUCTION MANUALS
    • DOCUMENT LIBRARY
    • DUST FACTS
  • Meet Our Team
  • Dealer Login
​When you have a compacted cartridge filter that the normal Jet Pulse cleaning
​can’t clean well enough any longer, what do you do?
​Do you replace them or blow them out with air releasing dust back into your work space?
We have the answer!

Denray's Automated Cartridge Filter Cleaners


NO.836

Picture
Ideal for banded cartridge filters, commercial type usage.

NO.836DUAL

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Ideal for wrapped cartridge filters, industrial type usage.

Our Filter Cleaner No.836 and No.836Dual are both hydraulically powered automated filter cleaners.
​

By using three different types of cleaning; we are able to provide a deeper clean than ever before!

​You simply place your cartridge filter inside the unit and turn it on. The cleaning process will start, rotating the filter during this automated process. Each filter cleaning time may vary based on the amount of dirt in the filter. The average cleaning time should be 5-15 minutes per filter but will have to be determined by the operator.

Once you have cleaned several filters, open the backside door, and use the provided paddle to help push the remnant dust towards the dust collection opening. This will allow the dust to be captured in the dust collection bag on the side of the machine for easy disposal.
​No.836 STANDARD FEATURES:
  • 2hp Motor; 110v, 16 amps
  • Requires a minimum of 100–140 psi
  • 5-to-15-minute timer
  • All components are UL approved
  • Cleans outside of the filter
  • It has rubber fingers to open pleats and loosen dirt
  • Upgraded double rollers on top​
  • Casters
  • The unit comes equipped with a 1.5 hp dust collector to capture the airborne dust created during the cleaning process [110V, 15 amps; 1250 CFM Airflow Capacity]
  • ​Automatic Air Shut-off (Optional Add-on)

OVERALL MACHINE DIMENSIONS (APPROX.):
  • 82” wide X 34” deep X 78.25” tall
  • 725 lbs.
Please note the provided external 1.5hp dust collector is intended for moderate cleaning use; 60-80 filters per month. If your facility is cleaning more filters, we'd suggest tying into your central system or going with a larger dust collection unit.
No.836Dual STANDARD FEATURES:
  • 2hp Motor; 110v, 16 amps
  • Requires a minimum of 80 cfm at 100–140 psi
  • 5-to-15-minute timer
  • All components are UL approved
  • Cleans both the inside and outside of the filter
  • Upgraded double rollers on top​
  • Casters
  • ​Automatic Air Shut-off
  • 6" dust collection port

Denray does not provide the dust collector, this will need to be purchased separately.

OVERALL MACHINE DIMENSIONS (APPROX.):
  • 124” wide X 40” deep X 80” tall (doors closed) [96" tall (doors up)]
  • 950 lbs.
FILTER DIMENSIONS THAT CAN BE CLEANED IN EITHER UNIT:
  • 6” min. – 20” max. in diameter
  • 6” min. – 36” max. in length​
Please note the dust collector on the side of the machine will need to be emptied as the dust collection bag fills up. Regular maintenance will be required on the dust collector (ie: replacing the canister filter).  There is also a  12" x 12" x 1" filter  on top of the unit that will need to be replaced as it fills up with dust. 

We can not clean smoke from the filters! For smoke application, it is best to buy Spunbond filters and wash them out.

Watch the Automated Cartridge Filter Cleaner in Action!

Watch How Easy it is to Use The Wind Meter Tool!

The Wind Meter is designed to give the operators a visual perspective of the condition of the filters. When filters are plugged, they allow much less air to flow through, thus capturing less dust. Not knowing when filters are plugged is the BIG QUESTION.
The industry standard is the Magnehelic Gauge, which Denray has used for years on many tables. Even with the red line on the gauge though, many people do not relate with static pressure. Everybody relates with speed.
The Denray Wind Meter box can be used on any downdraft table and any dust booth. New machines are furnished with the Wind Meter with the air speed noted on the box for that machine. For existing machines, we will furnish tags for readings for each machine.
More Detailed Information on the Wind Meter below:
Denray Wind Meter Instructions
File Size: 68 kb
File Type: pdf
Download File

The Wind Meter FAQ
File Size: 102 kb
File Type: pdf
Download File

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Denray Machine Inc.
10775 Lawrence 1140
Mount Vernon, MO 65712
Toll Free: 800.766.8263
Local: 417.466.4046
Fax: 417.466.2394
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