Leaf Repair and Recovery

Field Service and/or Rebuilds                                                       Baghouse Service and Rebuilds                                                 Rental Equipment                    Leaf Repair and Recovery

     FILTER LEAF WELDING REPAIR

 

LEAF REPAIR AND RECOVERY

Used, clean leaves received at our location  are fully inspected for any necessary repairs.

Repairs range from straightening of bent leaves to welding of cracked channels and nozzles, as well a replacement of damaged hubs and cores. 

We can offer new leaves for any non-repairable leaves. 

Once leaves are repaired they are covered with filter cloths manufactured at our facility, based on customer specifications and service application.

 

Product Information - select all options that apply and fill out form below

Sample Filter Leaf Recovery


Leaf Inspection

Cleaned/ Stripped leaf

Backing Cloth installed

Cloth installed
 
Clean Leaves are removed from customer supplied crate and inspected. (NFM can fabricate crates to facilitate the shipment of leaves to and from customer.)
After inspection and any necessary repairs are completed , bolting frames are removed and filter leaves are ready to cover.
NFM fabricated backing cloths are installed on U.S. Filter Leaf.
NFM fabricated cloths are installed over the backing cloths.
Bolting frame is aligned on filter leaf.
Bolting frame is bolted into place
Excess filter cloth is removed and leaves are ready for final inspection.
Finished Product is then put back in crate for shipment to customer.

Aligning Frame

Frame Bolted down

Excess Cloth Removed


Finished Product
       
 

 Leaf Repair - Tear Down & Evaluation


Outer Ring

Screen Removal

Hub Clean-up

Support Screen Removal
 
All NFM rescreen and rebuilds are completely disassembled and each component is inspected.
All NFM rescreen and rebuilds are completely disassembled and each component is inspected.
All NFM rescreen and rebuilds are completely disassembled and each component is inspected.
If a component is no longer usable were the center member is damaged beyond repair the customer will be notified and a quote for the additional cost to replace will be sent.
After evaluation each reusable component is cleaned and reconditioned to like new condition.
This process is the step that separates us from our competition.
Our competition will simply install new filter media over the worn and damaged filter frame.
Our competition will simply install new filter media over the worn and damaged filter frame.

Cleaning

Stem Clean

Refurbishing

Refinishing
       

Refurbished & Reassembled


Support Screen

Outer Channel

Backup Ring

Welding
 
After all components have been reconditioned they are reassembled an the same order as a new fabrication.
This insures the filter leaf will be in like new condition when completed.
Our standards on weld procedure, spacing, and assembly procedures exceed the OEM and all of our competition.
On USF Leaves our weld spacing will not exceed 4” and the welds will be directly in line with the weld across in all directions to insure taunt and strong center member, the OEM will have spacing as much as 16” and the welds will be random.
The assembly procedure is the same as new fabrications and the filter media is formed to each leaf and not to a jig. Our assembly procedure insures the filter media will be taunt and perform at optimal clarity and flow.
The assembly procedure is the same as new fabrications and the filter media is formed to each leaf and not to a jig. Our assembly procedure insures the filter media will be taunt and perform at optimal clarity and flow.
The assembly procedure is the same as new fabrications and the filter media is formed to each leaf and not to a jig. Our assembly procedure insures the filter media will be taunt and perform at optimal clarity and flow.
The assembly procedure is the same as new fabrications and the filter media is formed to each leaf and not to a jig. Our assembly procedure insures the filter media will be taunt and perform at optimal clarity and flow.

Filter Screen

Filter Screen

Filter Screen

Filter Screen
       

Continuous Spot Weld


Spot Weld

Spot Weld


 
The NFM continuous spot weld is an alternative to laser weld frames offered by USF.
The filter media is pulled taunt with our tensioning device which keeps the screen flat and tight during the spot welding procedure. This provides a filter screen that will last longer and provides a leak free seal by not allowing the filter media to bunch up during the spot welding operation.
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Final Cleanup & Shipping


Inspection

Inspection

Inspection

Crating
 
The finished leaf is then cleaned and all hardware is installed.
The finished leaf is then cleaned and all hardware is installed.
The finished leaf is then cleaned and all hardware is installed.
The completed and inspected filter leaf is the crated and ready for shipping to the customer. This rebuild procedure allows us to offer our customers the same one year warranty that we offer on our new filter leaf.
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Wire Cloth Filter Leafs


USF

USF

Industrial

Durco
 
USF center discharge hub type wire cloth filter leaf
USF center discharge hub type wire cloth filter leaf
Industrial wire cloth filter leaf
Durco wire cloth filter leaf
Separate halves fabricated and welded together to make a single leaf
USF outer diameter discharge nozzle outlet type
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Durco

USF Outer
   
       

Industrial Wire Cloth


Spot weld

Installed

Riveted

Cleaned
 
Filter Media is spot welded to the flattened and repaired center member
Channel is installed and welded
Channel is drilled and riveted
Finished filter Leaf is cleaned and inspected prior to shipment
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