Filter Media Tester G508（Without Vertical Duct)， ISO 11057 air filter media efficiency tester

The Filter Media Filtration Performance Test Bench G508 is designed to evaluate the filtration performance and durability of filter media and filter bags used in baghouse dust collectors under simulated real operating conditions.

Using a horizontal airflow duct structure without vertical piping, you can reproduce realistic dust loading, cleaning, and aging processes. The system allows filter media to be tested under a stable dust cake condition, providing reliable data on pressure drop behavior, filtration efficiency, residual resistance, and dust penetration during continuous loading and pulse-cleaning cycles.

Application

You can use the G508 test bench for the following applications and test objects:

(1) Filtration performance testing of filter media and filter bags for baghouse dust collectors

(2) Performance evaluation of cleanable industrial dust filtration materials

(3) R&D comparison of new high-efficiency filter materials

(4) Factory quality control of filter media and filter bags

(5) Analysis of aging behavior, cleaning performance, and residual pressure drop

(6) Measurement of overall efficiency, fractional efficiency, and dust penetration

(7) Type testing and technical validation for environmental equipment manufacturers

(8) Research and testing in laboratories, inspection institutes, and universities

Standards

The G508 test bench supports parameterized test conditions in accordance with the following standards:

(1) GB/T 6719 — Technical requirements for baghouse dust collectors

(2) ISO 11057 — Air quality; test methods for filtration performance of cleanable filter media

(3) ASTM D6830 — Test method for pressure drop and filtration performance of cleanable filter media

(4) VDI/DIN 3926 — Evaluation methods for cleanable filter media

(5) JIS Z 8909-1 — Test method for filter media for dust collection, Part 1

Parameters

Duct and System Structure (Horizontal Duct)

Item	Technical Parameter
Duct configuration	Horizontal airflow duct
Dirty air duct cross-section	Rectangular, 110 mm × 290 mm
Clean air flow range	0–10 m³/h
Overall system dimensions	Approx. 2300 mm × 1000 mm × 3500 mm
System weight	Approx. 350 kg
Power supply	AC 220 V, 50/60 Hz, 15 A

Sensors and Measurement System

Item	Technical Parameter
Temperature range	0–100 °C
Temperature accuracy	±0.2 °C
Pressure range	0–1200 mbar
Pressure accuracy	±0.3 %
Differential pressure range	0–2500 Pa
Differential pressure accuracy	±0.1 %
Airflow measurement range	0–12 m³/h
Flow accuracy	±1 %

Dust Generation and Concentration Control

Item	Technical Parameter
Dust feed rate	42–430 g/h
Dust concentration range	0.8–100 g/m³
Concentration control accuracy	≤ ±5 %
Dust hopper volume	5.5 L
Test dust types	Standard dust, SAE dust, Fine A2. Pural SB

Particle Size and Filtration Efficiency Analysis

Item	Technical Parameter
Particle size range	0.2–40 μm
Particle concentration range	1–4.000.000 /L
Measurable indices	PM10 / PM2.5 / PM1
Measurement principle	90° light scattering with filter sampling
Analysis functions	Fractional efficiency and counting efficiency

Features

(1) Horizontal airflow structure without vertical ducting, providing stable flow distribution for flat filter media testing

(2) High-repeatability dust loading system suitable for long-term aging and cleaning cycle tests

(3) Simultaneous online monitoring of pressure drop, filtration efficiency, particle size distribution, and dust penetration

(4) Flexible test configuration to meet multiple international standard requirements

(5) Automated data acquisition with curve display and Excel data export for further analysis

Accessories

(1) Solid aerosol dust generator

(2) Dust concentration monitoring instrument with automatic optical cleaning

(3) Particle size spectrometer for fractional efficiency measurement

(4) Pneumatic high-sealing specimen clamping fixture

(5) Precision analytical balance (readability 0.01 g)

(6) Microbalance (readability 0.01 mg)

(7) Standard test dust (e.g., Pural SB)

(8) Terminal HEPA filter for dust collection

(9) Air compressor for pulse-jet cleaning

(10) Desiccator and desiccant for sample conditioning

Test Procedures

(1) Install the filter media sample and verify sealing integrity of the fixture

(2) Set airflow rate, dust concentration, and test parameters according to the selected standard

(3) Start the dust generation system and begin the loading phase

(4) When the pressure drop reaches the preset value, activate pulse-jet cleaning

(5) Repeat loading and cleaning cycles until performance stabilizes

(6) Record pressure drop curves, filtration efficiency, and dust penetration data

(7) Export test data and perform performance evaluation

Maintenance Information

(1) Clean dust pipelines and filtration components after each test

(2) Periodically inspect sensors, flow meters, and pressure transmitters

(3) Check pulse valves and cleaning pressure settings regularly

(4) Ensure dust feeding and hopper systems remain dry and unobstructed

(5) Calibrate measurement instruments according to laboratory schedules

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