Pulse Jet Bag Filters

Pulse Jet Bag Filters

Air Handling & Pollution Control

Pulse Jet Bag Filters

A Pulse Jet Bag Filter is a high-efficiency dust collection system used to remove particulate matter from industrial exhaust gas streams. It operates on reverse air cleaning using compressed air pulses, which periodically clean the filter bags and maintain continuous filtration without shutdown.

Pulse jet systems are widely used in chemical plants, pharmaceuticals, dyes, cement, food processing, boilers, dryers, mineral processing, foundries, and general dust-laden processes. They provide:
✔ High dust collection efficiency (up to 99.9%)
✔ Continuous operation
✔ Low maintenance
✔ Compact design

A. General Construction

Parameter	Specification
Type	Offline / Online Pulse Jet Bag Filter
MOC	MS, MS + Epoxy Paint, MS + FRP Lining, SS304, SS316
Dust Handling Mode	Manual/Mechanical/Pneumatic discharge
Applications	Process dust, dryer exhaust, boiler flue gas, material conveying dust

B. Capacities

Parameter	Range
Airflow Capacity	1,000 m³/hr to 200,000+ m³/hr
Filter Area	10 m² to > 2,000 m²
No. of Bags	10 to 2,000+ bags

C. Filter Bags

Parameter	Specification
Bag Material	Polyester (PE), Polypropylene (PP), PPS (Ryton), Nomex, PTFE, Glass fiber
Bag Diameter	120–160 mm typical
Bag Length	1 m to 6 m
Bag Support	SS/MS cages
Bag Finish	Anti-static, PTFE coated, waterproof, oil-repellent options

D. Pulse Jet Cleaning System

Parameter	Specification
Pulse Jet Valve	1", 1.5" or 2.5" diaphragm valves
Compressed Air Pressure	4–6 bar
Air Header	MS/SS with safety valve & pressure gauge
Timer Controller	Electronic/PLC-based sequential timer
Pulse Frequency	Adjustable 5–60 seconds

E. Operational Features

Continuous filtration during bag cleaning
High collection efficiency ≥ 99.5–99.9%
Low-pressure drop and consistent airflow
Modular design for easy maintenance and expansion

F. Inlet Dust Characteristics

Parameter	Range
Dust Load	Up to 100 g/Nm³
Particle Size	0.5 to 500 microns
Gas Temperature	Ambient to 240°C (depending on fabric)

G. Mechanical Details

Component	Description
Inlet/Outlet	Flanged connections; side or top entry
Hopper	60° slope; dust collection door or rotary airlock
Housing	Reinforced MS/SS construction
Access Doors	For bag replacement and maintenance
Ladder & Platform	For top-mounted access

H. Discharge System Options

Rotary Airlock Valve (RAL)
Screw conveyor
Slide gate
Double dump valve
Drum/lug box collection

I. Instrumentation & Safety

Differential pressure gauge or transmitter
Pulse controller panel
Level detector in hopper (optional)
Temperature indicator
Explosion vent or flame arrestor for combustible dusts
Earthing & bonding for anti-static designs

J. Optional Features

ATEX-certified system for explosive dust
Online (compartmentalized) cleaning system
PLC/SCADA interface
Insulation & cladding for high-temperature service
Spark arrestor for flue gas applications
CIP system for pharma-grade installations

A. General Construction

Parameter	Specification
Type	Offline / Online Pulse Jet Bag Filter
MOC	MS, MS + Epoxy Paint, MS + FRP Lining, SS304, SS316
Dust Handling Mode	Manual/Mechanical/Pneumatic discharge
Applications	Process dust, dryer exhaust, boiler flue gas, material conveying dust

B. Capacities

Parameter	Range
Airflow Capacity	1,000 m³/hr to 200,000+ m³/hr
Filter Area	10 m² to > 2,000 m²
No. of Bags	10 to 2,000+ bags

C. Filter Bags

Parameter	Specification
Bag Material	Polyester (PE), Polypropylene (PP), PPS (Ryton), Nomex, PTFE, Glass fiber
Bag Diameter	120–160 mm typical
Bag Length	1 m to 6 m
Bag Support	SS/MS cages
Bag Finish	Anti-static, PTFE coated, waterproof, oil-repellent options

D. Pulse Jet Cleaning System

Parameter	Specification
Pulse Jet Valve	1", 1.5" or 2.5" diaphragm valves
Compressed Air Pressure	4–6 bar
Air Header	MS/SS with safety valve & pressure gauge
Timer Controller	Electronic/PLC-based sequential timer
Pulse Frequency	Adjustable 5–60 seconds

E. Operational Features

Continuous filtration during bag cleaning
High collection efficiency ≥ 99.5–99.9%
Low-pressure drop and consistent airflow
Modular design for easy maintenance and expansion

F. Inlet Dust Characteristics

Parameter	Range
Dust Load	Up to 100 g/Nm³
Particle Size	0.5 to 500 microns
Gas Temperature	Ambient to 240°C (depending on fabric)

G. Mechanical Details

Component	Description
Inlet/Outlet	Flanged connections; side or top entry
Hopper	60° slope; dust collection door or rotary airlock
Housing	Reinforced MS/SS construction
Access Doors	For bag replacement and maintenance
Ladder & Platform	For top-mounted access

H. Discharge System Options

Rotary Airlock Valve (RAL)
Screw conveyor
Slide gate
Double dump valve
Drum/lug box collection

I. Instrumentation & Safety

Differential pressure gauge or transmitter
Pulse controller panel
Level detector in hopper (optional)
Temperature indicator
Explosion vent or flame arrestor for combustible dusts
Earthing & bonding for anti-static designs

J. Optional Features

ATEX-certified system for explosive dust
Online (compartmentalized) cleaning system
PLC/SCADA interface
Insulation & cladding for high-temperature service
Spark arrestor for flue gas applications
CIP system for pharma-grade installations

Robust industrial construction
Low maintenance
Energy efficient

Applications and industry use-cases for this product are described here.

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