The P191812 Dust Collection Cartridge is a 26-inch replacement for P191812 with open ends and 240.97 sq ft of media area, designed to fit dust collectors where vertical clearance is too limited for longer cartridges.
The P191812 Dust Collection Cartridge delivers a practical solution for dust collectors with limited vertical clearance. Measuring exactly 26 inches in length, this Replacement for P191812 fits housings that cannot accept longer cartridges without bottoming out against the hopper floor or diffuser plate. The open-end design maintains 240.97 square feet of pleated media area while allowing pulse cleaning air to travel the full filter depth, eliminating dead zones where dust can accumulate in the lower pleats. No housing modification, no extension collar, and no cutting of existing structural supports required. Direct interchangeability with existing tube sheet configurations means installation takes minutes, not hours. For plant engineers facing frequent filter changes due to clearance-related media damage, this cartridge restores both airflow and maintenance access.
Built for 26-Inch Housings
Many collectors cannot accept longer cartridges. This unit matches those shallow canisters exactly.
Media Area Matches the Duty
240.97 sq ft suits intermittent dust sources like conveyor drops and day bins. Not over-specified.
Airflow Stays Smooth
Open ends let pulsed air travel the full media length. Dust exits bottom. No trapped pockets.
Seals Without Force
Gasket compresses correctly at 26 inches. No crushing against the hopper floor.
| Parameter | Value |
|---|---|
| Part Number | P191812 |
| Type | Replacement / Interchangeable |
| Shape | Round |
| Outside Diameter | 13.8 in |
| Length | 26 in |
| Inside Diameter | 9.479 in |
| Top / Bottom | Open / Open |
| Filter Media Area | 240.97 sq ft |
Power Generation
Fly ash from pulverized coal combustion is fine, dry, and electrostatically charged. The 26-inch length of this cartridge fits standard power plant silo top collectors where overhead clearance is often restricted. Open ends allow pulse jets to clear ash from the full media height, preventing bridging in the lower pleats. The 240.97 sq ft media area provides sufficient surface for silo venting duty without excessive pressure drop.
Chemical Processing
Chemical plants transfer powders such as polymers, pigments, and plastic resins through pneumatic systems. These materials vary in flowability and static charge. A shorter cartridge like the P191812 reduces the distance that pulsed air must travel, delivering more effective cleaning energy to the lower media sections. The open-bottom design prevents material accumulation that could lead to cross-contamination between batches.
Pulp & Paper
Paper mills generate fibrous dust from slitter trimmers and lime dust from recausticizing areas. Fibrous dust tends to wrap around long cartridges, creating matting that reduces filter life. The 26-inch profile of this replacement cartridge presents less surface area for fiber wrapping compared to longer cartridges. Open ends permit gravity release of captured material during offline pulse cleaning cycles.
HONOR
iSO14001
ISO 9001
CE
SGS
Before shipping, each batch of P191812 goes through a four-point check: media permeability test (ASTM D737 method), pleat count verification (minimum 88 pleats per roll), gasket durometer measurement (target 50 Shore A), and assembled length gauge (26 inches ± 0.125). ISO 9001:2015 documentation available per lot.
A precast concrete plant in Texas used a bin vent filter on its cement silo. The original cartridges were 28 inches long. Workers could not pull them out through the top access door because the door sat directly above the tubesheet with only 27 inches of clearance. Every filter change required unbolting the entire vent housing. The plant switched to our 26-inch P191812 Dust Collection Cartridge. Now cartridges clear the access door. Changeout time dropped from 3 hours to 45 minutes. The plant bought 24 units the following month for three other silos.
When retrofitting a dust collector from longer cartridges to a 26-inch unit like the P191812, three parameters shift. First, the canister's pulse timing should be shortened by approximately 50 milliseconds because the reflected wave returns sooner in a shorter tube. Second, the blowpipe nozzle can remain the same diameter if the shorter cartridge maintains the same venturi profile. Third, the gasket compression range changes – a 26-inch cartridge compresses to 25.85 inches under proper clamp load. Field measurements often reveal that original housings were designed for 26-inch cartridges but later received 28-inch units that bottomed out. Always measure tube sheet to floor distance before ordering.
Ayater produces dust collection cartridges in a 12,000 m² facility with dedicated short-length tooling. Our pleating line handles 26-inch blanks without offcuts – meaning no wasted media and no spliced pleats. Each replacement for P191812 passes through a sonic resonance test before packaging. This test detects loose end caps or misaligned pleats. We maintain inventory of 26-inch gaskets in three materials (neoprene, silicone, EPDM). Export orders ship with individual cartridges bagged and palletized.
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