QM
Qingneng Machinery

Accessories & Spare Parts

Replacement parts and components for baghouse dust collector maintenance. Filter bags, cages, pulse valves and discharge equipment available for bulk supply and OEM programs.

Dust collector filter bags and cages for industrial maintenance
Industrial dust collector filter bags for baghouse maintenance
Filtration Media

Dust Collector Filter Bags

Replacement filter bags for baghouse dust collectors. Available in polyester, PPS, aramid, PTFE membrane and other materials matched to temperature, dust type and chemical conditions.

Key Features

  • Multiple filter media options: polyester, PPS, aramid, PTFE, fiberglass and blended materials.
  • Custom sizing by diameter, length and top design to match existing dust collector models.
  • Surface treatments including singeing, calendering, PTFE membrane lamination and water/oil repellent coating.
  • Bulk supply programs for scheduled maintenance and annual replacement planning.
MaterialsPolyester, PPS, Aramid, PTFE, Fiberglass
Temperature rangeUp to 260°C depending on media
Diameter120mm - 160mm standard, custom available
Length1000mm - 8000mm
Top designSnap ring, spring ring, sewn-in ring, flat top
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Dust collector filter cages stacked for shipment
Support Structure

Dust Collector Filter Cages

Metal support cages (filter bag frames) for baghouse dust collectors. Galvanized, silicon coated or stainless steel options with custom wire count and venturi design.

Key Features

  • Round, flat, oval and spring cage structures for different dust collector designs.
  • Surface treatment options: galvanized, silicon coated, epoxy coated, stainless steel.
  • Venturi tube included or separate, matched to pulse cleaning performance requirements.
  • Split cage and multi-section designs available for tall filter chambers with limited access.
StructureRound, flat, oval, spring type
Wire count8, 10, 12, 16, 20 wires standard
Surface treatmentGalvanized / Silicon / Epoxy / Stainless
Diameter112mm - 170mm
Length1000mm - 8000mm, split available
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Pulse jet diaphragm valve for dust collector cleaning system
Cleaning Components

Pulse Jet Valves

Diaphragm pulse valves for dust collector cleaning systems. Right-angle, submerged and straight-through types with aluminum or stainless steel body.

Key Features

  • Right-angle, submerged (embedded) and straight-through valve types for different mounting configurations.
  • Diaphragm material options for standard, high temperature and corrosive environments.
  • Quick-connect and threaded port designs for easy installation and maintenance.
  • Compatible with standard pulse controller systems and sequential cleaning programs.
TypeRight-angle / Submerged / Straight-through
Port size1", 1.5", 2", 2.5", 3", 4"
Body materialAluminum alloy / Stainless steel
Working pressure0.2 - 0.6 MPa
Operating temperature-20°C to 80°C (standard diaphragm)
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Electric rotary airlock valve for dust collector hopper discharge
Discharge Equipment

Electric Rotary Airlock Valves

Electric rotary airlock valves (star unloaders) for continuous dust discharge from hoppers. Sealed design maintains system pressure while removing collected material.

Key Features

  • Sealed rotor design maintains negative pressure inside the dust collector during continuous discharge.
  • Cast iron or stainless steel housing with replaceable rotor blades for extended service life.
  • Variable speed drive options for adjusting discharge rate to match dust accumulation.
  • Flanged connections with standard sizes for easy integration with hopper outlets and conveyors.
TypeStandard / High temperature / Wear-resistant
Inlet size200mm - 600mm square or round flange
Capacity2 - 50 m³/h depending on model
Motor0.55 - 4 kW, 380V/50Hz or custom voltage
Housing materialCast iron / Stainless steel 304/316
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Spare Parts Supply Program

Qingneng Machinery supports bulk spare parts supply for scheduled maintenance, annual replacement programs and distributor inventory planning. Parts can be shipped together with new equipment or ordered separately.

  • Filter bags and cages matched to your existing dust collector model and working conditions.
  • Pulse valves and diaphragms compatible with common controller systems and mounting configurations.
  • Rotary airlock valves sized to match hopper outlets and discharge requirements.
  • Export packing, English documentation and maintenance schedule recommendations included.

Direct Contact

Request Spare Parts Quote

Send your dust collector model, part specifications or photos. We will confirm compatibility and prepare a quotation with delivery options.

Phone / WhatsApp008615716887691E-mailzjmeasuringtools@gmail.com
Please include product type, airflow, dust type, temperature, installation country, voltage and any site photos or drawings if available.
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